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The OM-DVCV is a self-contained, precision AC current and AC voltage Data Logger.
The OM-DVCV can record voltage up to 600 Vac and current up to 300 Aac. The OM-DVCV records true RMS AC current and AC voltage. It measures RMS signals up to the 21st harmonic at 60 Hz. The OM-DVCV can store up to 21,672 points when recording both voltage and current. It can store up to 43,344 samples when recording only voltage or only current.
The OM-DVCV features a display that allows the user to see measured current, voltage and power (in Watts). In addition, the unit graphs the current and voltage that has been logged during the current logging session. A summary screen shows information about the logging session, such as the logging rate, the number of samples recorded, the length of the recording and the amount of time left for recording.
Easy-to-use Windows software is included with the OM-DVCV. The software is a full-featured program that allows you to set-up all data logger functions including sampling rate, logging duration, start mode, logging mode, and high and low alarm values. Once data has been logged, the program then allows you to download data from the logger, plot the data and export the data to an ASCII text or Excel® file format for further analysis.
Measurement Type: True RMS up to the 21st harmonic at 60 Hz
Range: 1 to 300 Aac
Accuracy: ±1.0 A
Resolution: 0.2 A
Range: 1 to 600 Vac
Text Display: Displays real time current, voltage and watts; displays logging summary, sample rate, memory used and memory left
Graph Display: Shows measurement trends graphically; graph can be scrolled through the entire logged data
Sample Point Capacity: 43,344 points for current or voltage only; 21,672 points for current and voltage
Alarms: Visual over and under alarm indicator for current and voltage; watts alarms are not available
Calibration: No user calibration is available
Operating Temperature: -10 to 65°C (15 to 150°F)
Storage Temperature: -20 to 70°C (-5 to 160°F)
Time Accuracy: ±100 ppm @ 24°C (75°F)
Power: Three "AA" batteries (included)
Battery Life: 1 year continuous use, 2 years average use; the logger automatically turns itself off after 1 hour, when not logging; turn on by pressing any button
Dimensions: 10.2 W x 7.7 H x 3.8 cm D (4 x 3.05 x 1.5')
Weight: 200 g (7.0 oz)
PC Interface: USB port
Sampling Interval: User selectable from 1 second to 9 hours, in 1 second increments
Operating System Compatibility: Windows® XP, Vista, 7, 8 and 10 (32-bit and 64-bit)
Recording Start: On button press, immediate after set-up, or at a user specified date and time
Recording Mode Stop: On memory full, or continuous recording with memory rollover
Real Time Status: Visual indication through the status LED. Software real time status.
User Information: Up to 30 characters
Logger Channels: User selectable; disabling channels increases the storage capacity of the other channels
Units: US and Metric
Data Format: Exportable to text or Excel® files


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Analysis of desert plant community growth patterns with high temporal resolution satellite spectra.
The study of a desert landscape consisting of C3 shrublands and C4 grasslands demonstrated the feasibility of mapping desertification processes on a regional scale using time-series satellite images, and demonstrated the potential for monitoring desertification processes through time. Fifteen meteorological satellite images of southern New Mexico, spread over the growing season of 1989, were processed to yield images of normalized difference vegetation indices. Computer classification of these images and comparison with extensive ground measurements confirmed the identification of the major classes of shrubland, grassland and mixed shrub and grass areas. The high-resolution temporal approach is shown to permit the accurate identification of vegetation types even under conditions of sparse vegetation cover. The phenologies of grassland and shrubland were revealed in the time series of satellite images. This feature of the data was used to overcome the tendency of the strong radiation signal from bare soil to mask the biomass signal. Comprehensive comparisons with ground measurements confirmed the accuracy of the biomass identification for local areas within the Jornada Experimental Range, and justified extrapolation of the classification to a larger adjacent area.

source: m-a-p/FineFineWeb


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A printed circuit board (PCB) is a crucial component in electronic devices. It provides a platform for connecting electronic components and enables the device to function properly. In the case of power amplifiers, PCBs play an even more critical role. The layout of the PCB can have a significant impact on the performance of the amplifier, especially when it comes to power output.
One of the most popular power amplifier circuits is the OCL (Output Capacitor-Less) circuit, which is known for its simplicity and efficiency. An OCL power amplifier can deliver high-quality sound with minimal distortion, making it ideal for audio applications. However, designing and laying out a PCB for an OCL power amplifier can be challenging, especially for those who are new to electronics. In this article, we will discuss the layout of a PCB for a 150-watt OCL power amplifier, covering the essential factors that need to be considered to achieve optimal performance.
When designing a PCB layout for an OCL 150 watt power amplifier, it is important to consider the placement of components and routing.
The placement of components on the PCB can affect the overall performance of the amplifier. It is important to keep the following in mind when placing components:
- Group components by function: Grouping components by their function can help to reduce noise and improve the overall performance of the amplifier.
- Keep high-power components away from low-level signals: High-power components such as the power supply and output transistors should be placed away from low-level signals to reduce interference.
- Place input and output connectors away from each other: Input and output connectors should be placed away from each other to prevent feedback and reduce noise.
Routing refers to the process of connecting the components on the PCB with traces. The following guidelines should be followed when routing:
- Keep traces as short as possible: Short traces can help to reduce noise and improve the overall performance of the amplifier.
- Use wide traces for high current paths: High current paths such as the power supply and output traces should be wider to reduce resistance and prevent overheating.
- Avoid crossing traces: Crossing traces can cause interference and reduce the overall performance of the amplifier.
Overall, careful consideration of component placement and routing can help to improve the performance of an OCL 150 watt power amplifier.
Power Amplifier Design
When designing a power amplifier, there are several key factors to consider. In this section, we will discuss the differences between Class AB and Class A amplifiers, the pros and cons of Output Capacitor-Less (OCL) and Capacitor-Coupled (CCL) designs, and the importance of selecting the right transistors for your amplifier.
Class AB vs Class A
Class AB amplifiers are more efficient than Class A amplifiers, but they are also more complex. Class A amplifiers have a simpler design, but they are less efficient and generate more heat. When deciding which type of amplifier to use, it's important to consider the intended use of the amplifier and the power requirements.
Output Capacitor-Less (OCL) vs Capacitor-Coupled (CCL)
Output Capacitor-Less (OCL) amplifiers are simpler and more cost-effective than Capacitor-Coupled (CCL) amplifiers, but they have a higher distortion rate. CCL amplifiers, on the other hand, have a lower distortion rate but are more complex and expensive. When deciding which type of amplifier to use, it's important to consider the intended use of the amplifier and the desired level of distortion.
The transistors used in a power amplifier can have a significant impact on the performance and efficiency of the amplifier. When selecting transistors, it's important to consider factors such as voltage, current, power dissipation, and gain. It's also important to ensure that the transistors are matched and that they can handle the load requirements of the amplifier.
In conclusion, when designing a power amplifier, it's important to consider factors such as the intended use of the amplifier, the power requirements, the desired level of distortion, and the selection of transistors. By carefully considering these factors, it's possible to design a power amplifier that meets the needs of your specific application.
150 Watt Output
To achieve a 150 watt output, the layout of the PCB power amplifier must be designed with careful consideration of the power supply requirements and heat dissipation.
Power Supply Requirements
The power supply for the amplifier must be able to provide a stable and sufficient voltage and current to meet the demands of the circuit. The voltage requirement for this amplifier is typically around 45 volts DC, but it is important to consult the datasheet of the specific components used in the circuit to determine the exact voltage requirement.
The current requirement for the amplifier is around 3 amps, but this can vary depending on the load and impedance of the speakers being used. It is important to ensure that the power supply can provide enough current to meet the demands of the amplifier, or else the output power may be reduced or the amplifier may not function properly.
With a power output of 150 watts, the amplifier will generate a significant amount of heat. It is important to design the PCB layout with proper heat dissipation in mind to prevent overheating and potential damage to the components.
One way to achieve proper heat dissipation is to use a large heatsink to dissipate the heat generated by the amplifier. The heatsink should be sized appropriately for the amount of heat generated by the amplifier and should be mounted securely to the PCB.
Another way to help dissipate heat is to ensure that the amplifier is well-ventilated. This can be achieved by placing the amplifier in a well-ventilated enclosure or by adding fans to the enclosure to help circulate air and dissipate heat.
In summary, designing a PCB power amplifier with a 150 watt output requires careful consideration of the power supply requirements and heat dissipation. By ensuring that the power supply can provide sufficient voltage and current and designing for proper heat dissipation, it is possible to achieve a high-quality amplifier with a powerful output.


kinectxbox kinectdevice
 1. What is Kinect?
 2. Kinect for Xbox 360, or simply Kinect, is a motion sensing input device by Microsoft for the Xbox 360 video game console.
 Based upon a webcam-style add-on peripheral for the Xbox 360 console, it enables users to control and interact with the Xbox 360 without the need to touch a game controller, through a natural user interface using gestures and spoken commands.
 3. Some Demos
 4. The first demo shows two persons making gestures or dancing. The color of the figure conveys depth information. For each figure, the Kinect OpenNI interface can track a number of body parts and display the match-stick skeleton consisting of tracking points connected by straight lines.
 The second demo shows how a robot car can be controlled by gestures. The screen on the right shows the gestures to control the robot car.
 5. How to install it?
 6. We will use an open source driver provided by OpenNI.
 7. How to test it?
 8. To test it, please finish installation and connect Kinect Device to your computer,
 then compile and run sample programs contained in the installation package (under OpenNI/Sample and OpenNI/platform/YOURSYSTEM/build/sample)
 For Visual Studio user, there are precompiled VS project in OpenNI/platform/Win32/build/sample
 Frequent Error Messages
 "Failed to open XML, Error: Unknown USB Device Speed"
 You need to use the power adapter for the Kinect camera when using a regular USB port on a PC
 "error initializing NITE"
 NITE isn't installed properly. Make sure you have used the correct license key. When it requests for the license key use the one provided by Primesense : 0KOIk2JeIBYClPWVnMoRKn5cdY4=
 "Can't create any node of the requested type!"
 NITE isn't installed properly. Make sure you have used the correct license key provided
 I keep getting a message telling me I need .NET Framework 4.0.
 This error can be fixed by installing with the .exe installer first then reinstalling with the .msi installer. If you use the auto-installer above you should not see this error.
 "Kinect Motor Driver not found. LED & Motor control disabled"
 You need to manually install the motor/ LED driver for the Kinect device.
 9. How to develop Kinect application using recorded Kinect data?
 10. (You probably do not need to use this option)
 11. How to present your demo?
 12. You can give a live demo. However, just in case Murphy's Law strikes again, it is always advisable to also pre-record your demo and upload it to Youtube.
 kinectxbox kinectdevice
 13. How to use Kinect Interface?
 After initial calibration, Kinect is able to track human movement in the form of match-stick skeletons.
 The OpenNI Inteface will produce the position of each body part of interest (head, hand, elbow, etc.) in the form of its coordinates (x,y,z). In what follows, updateBodyInfo() pushes the device to grab next frame from camera and update BodyInfo in kinect object, and getBodyInfo() retrieves the BodyInfo from kinect object.
 A typical main program may look like the following:
 int id = 0x01;
 Kinect *kinect = new Kinect(id); //create kinect object
 BodyInfo body; //declare BodyInfo object
 kinect->initKinect(); //init kinect object and start the
 device
 while(1) {
 kinect->updateBodyInfo(); /*request the device to
 get a new frame from camera and update BodyInfo*/
 body = kinect->getBodyInfo(); /*retrieve BodyInfo
 from kinect object*/
 if(body.bTracking) /*bTrack indicate whether the device
 has confidence about what it is tracking*/
 printf("%.0f, %.0f,
 %.0f\n",body.pRHand.X,body.pRHand.Y,body.pRHand.Z);
 /*pRHand.X is X coordinate of right hand*/
 //else
 //printf("No Body Info Updated\n");
 }
 delete kinect; //clean up

 The above program produces the following output (the coordinates of successive right hand positions):
 14. Where to download the source code?
 We will use google code for version control. These are detailed instructions on how to access google code svc server.
 Our course google code url is "_URL_
 kinectxbox kinectdevice
 15. How to provide an add-on Kinect Interface?
 For some applications it is often more convenient to have both a web interface and an add-on Kinect Interface that provides some of the functions of the web interface. Therefore a user can use the Kinect Interface for certain essential functions and fall back on the web interface for other functions.
 For the following example, the source code is available on google code: "_URL_ A video demo can be found on YouTube: "_URL_
 In the demo, after the Kinect calibration phase a 'start' gesture (a wave of the right hand) will start the application. A 'stop' gesture (a horizontal left hand pointing at a vertical right hand) will stop the application.
 When the GestureDetector in the main program HHAMain.cpp detects a gesture such as the 'start' hand gesture, the sendCommand(ICMD_START) outputs "HOME HEALTH APPLICATION START" and starts the application. When the 'stop' gesture is detected the sendCommand(ICMD_STOP) stops the application and outputs "HOME HEALTH APPLICATION STOP".
 The user can also use the web interface to do the same. When the user clicks on the "Start Application" button on the web page test1.html, the associated JavaScript function runCmd('start') (see the source for test1.html) sends a 'start' message to c:\\Program Files\\HomeHealthApp\\HHARemoteClient.exe. The HHARemoteClient sends ICMD_START through a socket to the main program. The main program HHAMain maintains three threads to interact with Kinect device, display device and HHARemoteClient. Upon reception of ICMD_START, sendCommand(ICMD_START) in the main program outputs "HOME HEALTH APPLICATION START" and starts the application. It is the same for the 'stop' command. Please note the web page for this example only works properly on IE brower.
 The application developer can add more buttons to the web page test1.html, more commands to HHARemoteClient.cpp, and more processing functions to sendCommand() for a realistic application. GestureDetector() must also be expanded to detect additional hand gestures and body gestures. For this purpose a structure called BodyInfo containing the 3D-coordinates of all body parts that can be tracked by Kinect is provided. The program is BodyInfo.cpp, and the corresponding structure is BodyInfo.h. More information can be found in the following Readme.txt.


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Advances in Plant Nitrogen Metabolism by Peerzada Yasir Yousuf English | 2022 | ISBN: _PHONE_ | 271 pages | True PDF | 29.57 MB Advances in Plant Nitrogen Metabolism is a thoughtful, provocative, and up-to-date volume that presents important physiological, biochemical, and molecular perspectives of the nitrogen metabolism in plants and regulatory networks underlying it. The book is an attempt to team up with global leading research experts working in the field of plant nitrogen metabolism to compile an up-to-date and wide-ranging volume. The main purpose of this book is to present information on the most recent developments including the different modern approaches and methodologies that are being currently employed in the field of plant nitrogen metabolism. We trust that this comprehensive volume will familiarize readers with the detailed mechanisms of nitrogen metabolism and its regulation and the current trends in this field of study.
The book offers comprehensive coverage of the most essential topics, including: Role of nitrogen and its assimilation in plants Recycling and remobilization of nitrogen during senescence Role of phytohormones in nitrogen metabolism Biological nitrogen fixation Nitrogen biofertilizers: role in sustainable agriculture Effect of stress on plant nitrogen metabolism Reactive nitrogen species (RNS) in plants Nitrogen toxicity in plants, symptoms, and safeguards Nitrogen metabolism enzymes: structure, role, and regulation Regulatory RNAs and their role in nitrogen metabolism of diazotrophs As a pivotal contribution to the field, this volume is an invaluable and up-to-date foundation for plant physiologists, plant biochemists, geneticists, molecular biologists, agronomists, environmental researchers, and students of plant science. The book can also be used for the coursework of research and master's students.
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Question: Is Okay Formal Or Informal?
Is OK or OK?
In correct spelling/ grammar, the word should be capitalized "OK".
I've experienced this problem myself.
"Okay" is just another way of spelling the word, which is OK to use.
There are also other forms of the same word like "O.K" or "O.K." and those are also acceptable, but are used rarely in everyday life..
What is an example of informal English?
Is Okay polite?
Most people don't spell it out, so "ok" is OK! If you want to be polite and sincere, write "ok, thanks!" Or "ok, thank you very much. "
Is Nevermind rude?
Never mind isn't rude on its own, but you do want to be sure you are using the right tone of voice when you say it. If you say "never mind" rudely, then it's obviously going to come across badly. There are so many different ways that you could use "never mind" in a situation.
How do you say yes in a cute way?
Creative Ways to Say "Yes"Okey-dokey!I'm at your behest.Aye aye, captain!I was born for this!That would be a Y-E-S!You just stole the words out of my mouth.Right on, brother/sister.Definitely not NO.More items…•
How do you say OK in English?
30 Different Ways to Say OK in EnglishGreen light.Agree to.Go.Yep.Certify.Moderate.Respectable.Pleasing.More items…
Is Okay formal?
So, what's the bottom line? Both "okay" and "ok" are acceptable spellings in formal writing; which one you should use simply comes down to your preferred style guide (or, if you aren't tied to one, your personal preference).
Is Alright formal?
People are often surprised to learn that alright is not an accepted spelling of all right. Although the one-word spelling of alright is seen in informal writing, teachers and editors will always consider it incorrect. To use the expression with impunity, it is best to spell it as two words: all right.
What is OK short for?
Roger Thomas is correct in that OK is short for oll korrect, but it is not of military origin. It started as a comical abbreviation during a fad in New England in the 1830s. Others were OW (oll wright), KY (know yuse, or no use), and NS ('nuff said).
Is OK informal?
Is saying OK rude?
More words in general sound more polite Gretchen McCulloch, an internet linguist and author of the upcoming book Because Internet, said OK is not inherently rude but the length of a reply matters. "Anything that's shorter can sound curter, anything that's longer can sound more polite," McCulloch said.
What is the reply of Nevermind?
e.g. "I don't understand you" "Never mind – it wasn't important anyway". If someone does something wrong and says "sorry" to you, you can say in response "It's OK", "Don't worry" or "Never mind" in a friendly way.
How do you say nevermind nicely?
Synonyms fordon't bother.don't concern yourself.drop it.ignore doesn't matter.let it go.nothing.stop.
Is nevermind a negative word?
What other words can I use instead of okay?
Is OK a sentence?
In English, yes, no and okay are common pro-sentences. … Pro-sentences are sometimes seen as grammatical interjections, since they are capable of very limited syntactical relations.
Is KK rude?
How do you say OK in email?
That sounds great, thank you!Great Plan, looking forward do it!Okay that sounds great to me, let me know if anything changes in the mean time.Perfect! Thank you for your work on this!Okay that sounds great! See you then!Okay, that works for me. Thanks again!Okay, thank you for letting me know.Okay, I agree.More items…


Cities and the Maker Movement
17 Feb 2018
What is the Maker Movement?
The Maker Movement is a cultural development of artisans and small manufactures who create, craft and develop new and interesting ideas and products. The products can be categorized by the three "B"s: Bags, Brews, and Bots. "Bags" represent all products that someone might wear, such as, jewelry, clothing, purses, belts, etc. "Brews" represent all products that someone might consume. Of course this includes crafts beers and wines, but it also includes jams, cakes, beef jerky and other specialty food and beverages. "Bots" represent technology creations. This could be anything from mobile apps to robots.
How did the Maker Movement start?
A few tipping point events:
In June 2005, Etsy launched their online platform for artisans to sell their crafts. This was one of the first tipping points that helped hobbyists and crafters sell their products beyond their local craft show or flee market, exponentially increasing potential customers.
In February 2009, Square, Inc. was launched. Finally, small artisans had a convenient, on-site or online, low cost way to collect credit card payments.
In September 2012, The New York Times reports that the "Made in America" label is regaining popularity, with more consumers buying domestic, local goods they feel represent "old-school craftsmanship, even luxury."
Why is the Maker Movement important to cities?
The United States has an estimated 135 million makers. These makers are increasing economic activity, repurposing previously underutilized and blighted spaces, improving products and services in local communities and selling their products globally bringing dollars, from around the world, into the community in which they reside.
What can Cities do to support the Maker Movements and Local Makers?
 1. Review zoning and ordinances to be artisan friendly. For example, in which zoning would a craft brewery locate in your community? Does your zoning allow for the brewing and local sale of the products? Where would a small clothing design business locate. Does your zoning allow for the manufacture, assembly and shipping operations, as well as a local retail presence? Many cities even have a specific artisan manufacturing zone definition.
 2. Create Makerspaces/Incubators/Accelerators to support the entrepreneurial spirit of the movement, provide valuable technical, marketing and administrative assistance and help small manufacturers scale their small business from home-based to a commercial or industrial location.
 3. Evaluate your business-friendly environment. It should be a friendly, efficient process to start a business in your city. Are your permits available online? Can you pay with a credit card? Are the staff at City Hall and your local economic development offices knowledgeable about the license and permit requirements. Do you have the contact information readily available for any additional resources such as the Secretary of State's office? How does a business know what incentives might be available? Are those incentives easy to apply for and utilize?
Embrace the Maker Movement and encourage a culture of entrepreneurship in your city!


Getting IT Done / News, evals, and advice
Review: Free, open source VirtualBox lags behind VMware and Parallels
Poor 3D support and lack of OS integration features hurt VirtualBox the most.
VirtualBox does include a Seamless Mode that lets you use your Windows apps alongside your OS X apps, and it works more or less as intended—basically, the desktop is maximized and made transparent, and the application windows and taskbar are left visible. This can lead to some awkwardness if your dock and taskbar are both located on the same edge of the screen, and window dragging and resizing are occasionally laggy, but otherwise it's not bad. Parallels offers more thorough integration—it will put Windows' system tray icons in OS X's menu bar, for example—but the basic operation is the same.
Enlarge / VirtualBox's Seamless mode works pretty well, though the taskbar can sometimes get in the way of your OS X applications.
Enlarge / Parallels Desktop's "coherence" mode doesn't show a taskbar, puts Windows system tray icons in the OS X menu bar, and can launch applications from the Finder without first starting the VM.
Lastly, while the latest versions of VMware and Parallels both offer differing levels of Retina Display support, VirtualBox doesn't. Things like OS X's window title bars and buttons are rendered properly at the higher resolution, but VirtualBox-specific graphics and UI elements are still pixelated.
Most importantly, the guest OS itself is blurry and pixelated, and turning up the scaling from within the guest OS just makes for larger blurry, pixelated text and icons. Macs with Retina displays are still a small part of the overall Mac population, but early adopters will need to look to the commercial products to get their Retina fix.
Windows 8 experience and 3D support
Running Windows 8 in VirtualBox isn't actually too much different from running Windows 7 in VirtualBox. When resizing the VirtualBox windows (and thus changing the VM's resolution) the operating system does make a series of bings and bongs that will quickly make you lunge for the mute button, but otherwise the desktop (and desktop apps) work as they do in Windows 7.
Hot corners continue to be a mixed bag, as they are in Parallels and VMware. When the VM window has focus, either in windowed or full-screen mode, any hot corners you have configured in OS X simply stop working, which prevents conflicts with Windows 8's built-in hot corners. I have one in the upper left-hand corner of my screen that I use to lock the Mac when I'm getting up for a moment, and it doesn't work when the Windows VM is the currently active window. That doesn't mean there aren't problems—in full-screen mode, attempting to activate the hot corners can sometimes bring up the OS X menu bar or Dock instead, and in windowed mode the corners can be hard to activate before you roll the cursor off the edge of the screen.
The main problem with using Windows 8 in VirtualBox, especially when running apps from the Windows Store, lies in the software's 3D performance issues.
3D support in VirtualBox
First, a primer: VirtualBox includes basic support for both Direct3D 8 and 9 and OpenGL 2.1, and as of version 4.1.0 (released in July of 2011) it also includes a Windows Display Driver Model (WDDM)-capable graphics driver that supports the Aero Glass effects in Windows Vista and Windows 7 guests.
The main problem with this 3D support is that it is labeled as "experimental," and for very good reason: enabling it is a great way to cause crashes. Windows 8 works pretty well in VirtualBox without the 3D driver enabled, but turning it on made for problems while trying to resize windows, and out-and-out crashes when trying to switch between windowed and fulls-creen modes.
Without 3D support, however, many Windows Store apps are rendered virtually unusable because of the operating system's increased use of 3D effects and transitions. Even basic apps like Solitaire look like flipbooks without 3D acceleration—if you're sticking to basic applications like Mail or Internet Explorer (or desktop apps like Microsoft Office) you'll be fine without it, but 3D-accelerated games and apps will cause problems.
Things are slightly better in Windows 7, where enabling 3D (and Aero) creates some cursor flickering and screen tearing but fewer crashes. After installing Steam in my VM, I downloaded three older games to see if I could get them to run. The first, Audiosurf, is a Direct3D 9 game released in 2008 which runs well enough even on older netbooks, but the entire VM crashed as it was opening. The second, the original Torchlight, crashed the first time I opened it, but afterward ran (albeit not entirely smoothly) at 1080p with the settings on High (though it should be noted that resizing the VirtualBox window was enough to make the game crash again). The third, 2004's Half-Life 2, plays the opening Valve cinematic and tries to load, but like Audiosurf, it crashes the VM instead. If VirtualBox can't play this selection, it's safe to say it won't be usable for anything approaching modern gaming.
To test out OpenGL support, I downloaded the latest version of the OpenGL Extensions Viewer, a cross-platform test that examines what OpenGL extensions are supported by your hardware and software and offers basic tests to evaluate their performance and compliance with the standards. The tool confirmed that our Windows 7 VM did indeed support OpenGL 2.1, but it failed the OpenGL 1.4 test with an error, and the numbers for the rest of the tests speak volumes about its performance:
Iron Fist Boxing King test in 64-bit Windows 7 on a 2011 iMac.
Any virtualization falls short compared to running Windows directly on the hardware, but the latest version of VirtualBox struggles to deliver even 25 percent of Parallels' speed in most of the tests. OpenGL support seems a bit more stable than Direct3D support, but it's still pretty slow.
Windows gaming and 3D work will sometimes be possible in VirtualBox, but the instability of the 3D driver and the low performance makes it an untenable option for most. That said, if you're playing Windows games on your Mac, Bootcamp continues to be the most logical choice.
The biggest problem with VirtualBox, at least in OS X, is its inconsistency—even simple features like USB pass-through support or importing virtual hard drive files from other programs either don't work consistently or don't work at all, and more complex (though increasingly crucial) features like 3D are even more problematic.
The other issue is OS integration—VirtualBox works basically the same way in Windows, Linux, and OS X. While it's generally good to be consistent, its lack of OS-specific features and integration options make it particularly difficult to recommend for Mac users, especially when the competition can make the Windows desktop and every one of your Windows apps look and behave almost as they would on a standard Windows system.
For most Mac users, VirtualBox works best if you only need sporadic or temporary access to Windows or Linux—useful for those who do most of their work in OS X, but still need to kick things to another OS for testing or for the sake of comparison (checking Internet Explorer's page rendering is the example that comes most readily to mind). If you need an environment that you can actually work in, both VMware and Parallels offer features and operating system integration that are miles ahead of VirtualBox's, and while 3D rendering isn't perfect in either of those commercial products, it's still better than in VirtualBox, where even 3D acceleration for the Windows UI is labeled "experimental."
VirtualBox is free, which is great, and it has made some tentative strides forward in the last few years—the addition of OS X guests is a plus, and the rudimentary 3D support is nice to have if your apps can use it without crashing. If you need virtualization for serious work, though, the commercial products will quickly earn their keep.
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Buddy Bison Teaches Students about Hedgehogs in this New Story!
A National Presbyterian School (Washington, DC) student, with help from her teacher, wrote a neat new story about Buddy Bison getting a new job at theMuseum of Natural History. In the story, Buddy Bison has to teach students about hedgehogs. Along the way, he learns a lot and so do the students. You can read some of the story below.
Buddy Bison and the Museum of Natural History
Buddy Bison has a new job at the Museum of Natural History. There is only one problem, He doesn't know anything about his exhibit and he has to teach others about it.
The exhibit is about…Hedgehogs! Buddy wonders what to do. What can he tell people about hedgehogs? Buddy realizes that he doesn't know anything about hedgehogs. This is a problem!
1. Where do they live?
2. What color are hedgehogs?
3. What do they eat?
4. What is so special about hedgehogs?
Buddy Bison Makes a New Friend, a Story, by National Presbyterian School Students
Students from National Presbyterian School in Washington, D.C. have created a wonderful powerpoint detailing a story of their own creation about Buddy Bison!
Katia, Caroline, Sophia, Marley, Gigi and Mrs. King describe Buddy Bison's first play date with a new friend, Daisy in "Buddy Bison Makes a New Friend."
NationalPresbyterian Schooland Buddy Bison Take Two Trips Already!
Though school just started a month ago, Buddy Bison has already visited Echo Hill Camp with National Presbyterian School 5th and 6th graders AND Homestead Farms with three kindergarten classes. At Echo Hill Buddy Bison also made it to the zip line!
If that wasn't enough fun, students and teachers at the school joined forces to create a school power point presentation that was shown at an assembly highlighting Buddy Bison's Summer Adventures (which can also be seen on Buddy Bison's website)!
Remembering Haiti's Earthquake and Forests
So many of us watched news coverage of Haiti's earthquake and wondered what we could do to help. Many kids worked with their classmates to raise money to help rebuild. What some people don't realize is that Haiti's forests have been in trouble for a long time.
Ninety years ago, well over half of Haiti was covered in forest. Now just 2% of the land is forested. Some third-graders from The Bullis School recently created Buddy Bison Park dioramas, depicting American and Haitian Parks.
Dioramas made by Paris, Rotimi and Preston were showcased at a special presentation to one 16-year-old earthquake survivor named Ruthnie at the Haitian Flag Day event, at the White House Old Executive Office Building.
Paris's dioramas depicted "Buddy Bison at Rock Creek National Park" and Rotimi's featured "Buddy Bison at Yellowstone National Park." Preston's piece, entitled "Buddy Bison Dreams of a Reforested Haiti," was presented along with Buddy Bison to Ruthnie by fifth-grader Alexander, who attends National Presbyterian School, another Buddy Bison School.
In his speech, Alexander said, "We only see the devastation on TV," said Alexander, "but there are so many beautiful things about Haiti, too, and I want people to know that."

source: HuggingFaceFW/fineweb-edu


John Van Zandt
Stefan Bielinski
Johannes Van Zandt was born in 1767. He was the son of Jacobus and Maria Brooks Van Zandt. He grew up in his father's house on Union Street near the Hudson Street Park. As time passed, he was known as "John" Van Zandt.
He started out as a clerk in James Caldwell's Albany store. He then served a financial apprenticeship in New York City. During the 1790s, he was sent by Caldwell to run a store in Bennington, Vermont. In 1804, joined the Bank of Albany and was named cashier of the bank in 1814. He held that position in the office at 23 State Street until 1838. He was a notary, watch captain, assessor, and alderman for his home Fourth Ward over a long time span!
While in Bennington, he met and married Mehetabel Jones of Williamstown, Massachusetts. Living at 47 Hudson Street, their marriage lasted until her death about 1841.
John Van Zandt died in April 1858 at age ninety-one. His long life is recalled in an obituary printed in an Albany newspaper. His will passed probate in 1859.
the people of colonial Albany Sources: The life of Johannes Van Zandt is CAP biography number 286. This profile is derived chiefly from family and community-based resources. the newspaper obituary reveals that he was an accomplished storyteller as his tales of the Revolution were widely recalled! His Hudson Street houselot is shown on the Oake Map of 1800.
first posted: 8/30/02


Postgraduate Module Descriptor
EFPM324: Technology in Mathematics Education: Shaping Mathematical Knowledge in the 21st Century
This module descriptor refers to the 2019/0 academic year.
NQF Level7
Credits30 ECTS Value15
Term(s) and duration
Academic staff
Dr Taro Fujita (Convenor)
Available via distance learning
In this module you will explore and critically evaluate roles of technology in mathematics education in the internet age. You will critically evaluate existing software, review latest research findings in particular instrumentation theory in technology. You will also investigate how to design mathematical learning environments with technology. You are expected to develop your own ways of understanding how affordances of technology will shape learners' mathematical knowledge and understanding in order to reflect on your own practice with technology. To take this module, you will usually need at least 3 months experience of teaching mathematics in a school, or similar educational environment, including involvement of development of technology.
Module created
Last revised


text:
Date of this Version
Advances in Water Resources 23 (2000) 483-492
The generalized integral transform technique (GITT) is applied to solve the one-dimensional advection-dispersion equation (ADE) in heterogeneous porous media coupled with either linear or nonlinear sorption and decay. When both sorption and decay are linear, analytical solutions are obtained using the GITT for one-dimensional ADEs with spatially and temporally variable flow and dispersion coefficient and arbitrary initial and boundary conditions. When either sorption or decay is nonlinear the solutions to ADEs with the GITT are hybrid analytical-numerical. In both linear and nonlinear cases, the forward and inverse integral transforms for the problems described in the paper are apparent and straightforward. Some illustrative examples with linear sorption and decay are presented to demonstrate the application and check the accuracy of the derived analytical solutions. The derived hybrid analytical-numerical solutions are checked against a numerical approach and demonstratively applied to a nonlinear transport example, which simulates a simplified system of iron oxide bioreduction with nonlinear sorption and nonlinear reaction kinetics.

source: openbmb/Ultra-FineWeb


Tides affect our sailing so what's the difference between springs and neaps
Cowes harbour entrance
Cowes harbour entrance
Tide Times
Click the links below to see today's high and low tide times.
The difference between neap and spring tides is the earth's oceans are controlled by the gravitational pull of the sun and moon.
When the sun is on one side of the earth and the moon on the other the two cancel each other out to some extent giving a weaker tide called 'neaps'.
However for a few days once a fortnight the moon travels around the earth to pull in the same direction as the sun. Combined together they cause the tides to be pulled up that bit higher and pushed down lower. These are the 'spring tides.'
The tables give both the time of high and low water.
Also displayed is the 'height of tide.' The lowest possible tide ever is called LAT (lowest astronomical tide) and any residual depth of water is called CD (chart datum). So on our chart we have little numbers giving us the depth and on to this we add the height of tide given in the daily tables.
So if the chart has the number 10 out to sea and the tide tables give 6.0 as the height of tide, add the two together to get a depth of approximately 16 metres.
It is important to check whether your boat's depth gauge(or echo sounder as they are called) is set to tell the depth measured from the surface or from the bottom of the keel.

Yachting image of West Lepe Buoy, Western Solent
West Lepe Buoy, Western Solent
Yachting image of Eleonora off Cowes
Eleonora off Cowes

Tidal heights are also affected by the weather.
A low pressure allows the high tide to come up that bit higher which is why we sometimes get flooding during a winter storm.
On the other hand a high pressure forces a low tide that bit lower resulting in a sailor run aground scratching his head as he checks his arithmetic.
Also the constant movement of the tides sweeps sand along underwater which gradually silts up estuaries, and as charts are not always kept up to date.
So err on the side of caution, and if in doubt wait for a local fishing boat to go by and show the way into harbour.
Shoreham Tide Times
Brighton Marina Tide Times
Dover Tide Times
Portsmouth Tide Times
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Event order
From Lazarus wiki
Revision as of 10:21, 31 July 2013 by BigChimp (talk | contribs) (Added seealso; some more details on typical form event order)
Lazarus offers various events that you can use to enter your own procedures to handle things that happen in your application (e.g. a user clicks a button).
There are rather a lot of possible events to cater for a lot of different scenarios. Somebody who does not know Lazarus or Delphi could well pick the wrong event.
Lazarus documentation
The Lazarus_Tutorial#Event_Actions Lazarus tutorial has some information on what events do what.
Typical event order for forms is:
OnCreate => OnShow => OnActivate => OnPaint => OnResize => OnPaint =>...
OnCloseQuery => OnClose => OnDeactivate => OnHide => OnDestroy
This is the equivalent to the class constructor in forms. Use this to initialize form-level variables etc. The form is not yet shown at this time.
Fired when the form gets the focus (e.g. when switching between applications).
When the form is shown (e.g. when loading the form or setting its.Visible property to true), this event is fired - just before the form is visible. This allows you to modify the visual appearance of controls (e.g. disable certain controls) without flickering.
The equivalent to a class destructor in forms. Use this to clean up/free variables.
General controls
These events apply to various controls. Please use the Object Inspector if it is available for the control you're currently using.
The OnEditingDone event for controls can act like the Validate event in other programming languages: it indicates the user is done changing the control and intends to keep that value. The program can now check the control content for correctness, show error messages, update database fields, etc.
Applicable Delphi information
Because the implementation of events in Lazarus and Delphi is similar, a lot of Delphi-related documentation is applicable to Lazarus with minor modifications.
Delphi documentation is often handy. You can search for the actual control you want to know more about to get a list of its events.
If you want to know about the order in which events fire on a form, this article from about.com can be useful.
See also


Main Content
Visualize and interactively explore biological sequences
seqviewer opens the Sequence Viewer app.
seqviewer(Seq) loads a sequence Seq into the app, where you can view and interactively explore the sequence.
seqviewer(Seq,Name,Value) opens the app with additional options specified by one or more Name,Value pair arguments.
seqviewer('close') closes the Sequence Viewer app.
Input Arguments
collapse all
Amino acid or nucleotide sequence, specified as:
Name-Value Pair Arguments
Example: 'Alphabet','AA' specifies that the aligned sequences are amino acid sequences.
Type of aligned sequences, specified as 'AA' for amino acid sequences or 'NT' for nucleotide sequences.
Example: 'Alphabet','AA'
collapse all
Retrieve a sequence from the GenBank® database.
S = getgenbank('M10051');
Load the sequence into the Sequence Viewer app.
Alternatively, you can click Sequence Viewer on the Apps tab to open the app, and view the biological sequence S.
Close the app.
Introduced before R2006a


7 Of The Most Common Mistakes People Make With Pasta
Who doesn't love a good bowl of pasta? Pasta is there for us in our times of need, like when we forget about dinner and people are starting to get hangry. Noodles, meet sauce—and dinner is served!
But here's the thing about our favorite quick and easy dinner: with a few low-effort changes to our cooking, we can all make pasta that is perfectly cooked and genuinely delicious! All it takes is avoiding a few key pasta mistakes.
So today I'll be sharing 7 of the most common mistakes that people make when it comes to pasta. By avoiding these behaviors, you can take your pasta dishes from a pile of noodles to a gourmet meal! :-)
7 Pasta Mistakes That Are Surprisingly Common
1. Using A Too-Small Pot
Sure, it can be a bit of pain to wash your big pasta pot, but it's no excuse to use a smaller pot! You'll always get better results cooking your pasta in a big pot with lots of water than a small pot with less water.
The extra space gives the pasta room to move around while it cooks. And the more it can move, the less likely it is you'll end up with sticky, unevenly cooked pasta globs.
2. Pouring Sauce On The Pasta
The final stages of the cooking process can make or break a pasta dish! The simple act of marrying your pasta and sauce together on your stovetop can make the difference between a delicious, gourmet pasta dish and a bowl of sauced noodles.
While the pasta is cooking, make or warm your sauce in a wide pan on your stovetop. When the pasta is 1-2 minutes shy of being done, move it over to the sauce and finish cooking it there.
It only takes a couple of extra minutes, and you'll love the difference it makes!
3. Not Using The Pasta Water
That salty, starchy pasta water can make a big difference in your finished dish! The starchiness will help add body to your sauce, and help the sauce stick to the noodles themselves.
You can either save a small amount of the pasta water to add to your sauce, or just make sure your noodles are still a bit wet when you transfer them over to your sauce.
4. Adding Oil To The Cooking Water
You don't need to add oil to your pasta water. Some people do this to prevent long noodles from sticking together, but noodles are supposed to be sticky and starchy! (If they aren't, the sauce won't really adhere to them.)
And if you finish your pasta in the sauce, you won't have to worry about the noodles sticking together anyway. So skip the oil!
5. Serving Pasta On A Plate
Even if you have a relatively thick pasta sauce, it's still a good idea to serve pasta in a bowl instead of on a plate. The curved bowl will keep your pasta warmer for longer than a plate, and it usually makes it a bit easier to eat.
6. Not Waiting For The Water To Boil
I realize that as an impatient person myself, it's a bit rich for me to be advocating for patience. But we should all be a bit more patient when it comes to bringing our pasta water to a boil!
If you add your noodles to the water before it starts boiling, it will take even longer to get it up to the boiling point. And until that happens, your noodles will just be steeping in warm water and their texture will likely suffer for it.
7. Putting Pasta In Your Garbage Disposal
Leftover pasta should go in your fridge, the trash can, or really anywhere other than your garbage disposal! Pasta expands considerably when wet, and anything that expands spells out bad news for a garbage disposal.
So avoid those potentially nasty clogs and expensive repairs by making your disposal a No Pasta Zone!
What's the best pasta dish you've ever eaten?
_TAG_ _TAG_ _TAG_ _TAG_ _TAG_
HowToCookPasta BrightIdeas PastaMistakes PastaTips PastaDishes
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Aventri Debuts Virtual Events Platform 2.0 Read the Full Announcement
12 Ways to Make Your Onsite Events Safer Following COVID-19
Damarley Robinson |
attendees practicing social distancing event by sitting 6 feet apart during an in-person eventWith the world slowly but surely beginning to open back up, in-person gatherings require extensive measures to continue ensuring the public's safety. Event professionals around the world are planning with some necessary precautions to ensure in-person events prioritize the health and safety of both their staff and their attendees.
Here, we share a few tips on how to make your onsite events safer following COVID-19.
1. Provide Resources Detailing Symptoms of Illness
Even before attendees arrive onsite, you can begin to implement ways to ensure the public's safety. Before arrival, send out frequent communications to your event registrants via email or mobile event app notifications detailing COVID-19 symptoms. The Center for Disease Control (CDC) has a comprehensive list of symptoms complete with a Self-Checker Guide through which individuals can consider their current state. Encourage your potential attendees to stay home if they present any symptoms of illness for their well-being and the safety of others.
2. Consider Your Venue Capacity
Take time to consider your venue capacity to comply with state and local mandates and guidelines. When considering where your event will be hosted, be sure your venue is large enough to maintain an appropriate 6-feet of social distancing given that small liquid droplets can travel from the nose or mouth when one coughs, sneezes, or speaks. Additionally, to facilitate proper social distancing, consider hosting your event outdoors.
3. Staff Temperature Checks
temperature checks
In addition to ensuring your attendees are symptom-free, go one step ahead and conduct staff temperature checks. Because one of the primary COVID-19 symptoms includes fever, be sure that none of your staff members who may come in contact with attendees measure above the average body temperature of 98.6° F.
4. Minimize Person-to-Person Contact
In striving for maximum safety, bear in mind alternative contactless methods to minimize person-to-person contact when your attendees arrive onsite. For example, there are a variety of contactless technologies available to you, from self-service check-in methods to contactless access control. These state-of-the-art tools will not only help you reduce the number of staff needed on-site, but also prevent and reduce the spread from an infected person.
5. Have Supplies On-Hand
Once onsite, be prepared to provide your attendees with various safety supplies such as face coverings and hand sanitizer. While you should require or encourage your registrants to wear a proper facial covering before arrival, be prepared with these supplies on-hand for anyone without them or for anything last-minute needs.
6. Handwashing Stations and Signs
hand sanitizing station
At your onsite event, be sure to have clear signage available which points to all handwashing stations located throughout your venue. Additionally, consider setting up posters at these locations detailing the steps on how to properly wash your hands. A great example is the World Health Organization's (WHO) handwashing leaflet and poster which can be located here.
7. Offer Pre-Packaged Food Options
If your event includes a breakfast, lunch, or dinner, or you typically have snacks and meals catered, you may consider offering pre-packaged food options instead. By providing your attendees with a variety of grab-and-go meals, you can eliminate lines and large congregating groups and ensure increased safety at your onsite event.
8. Contact Tracing
Even after your event concludes, you can ensure you are continuing to take suitable measures towards your attendees' safety. In case any of your attendees test positive for COVID-19, having a method of contact tracing in place can help significantly reduce the spread. The CDC provides several contact tracing resources on their website. If the need arises, be sure you can follow up with those who were in close contact with someone who was infected.
9. Sanitization Before, During, & After Your Event
sanitation crew cleaning the event floor to prevent the spread of covid-19From beginning to end, be sure to implement a thorough sanitization procedure. Think about sourcing a professional cleaning service to properly disinfect the venue before your event is set up and after your event concludes. Furthermore, consider designating specified staff to wipe down highly frequented surfaces during your event to minimize any potential risks.
10. Draw Up a Medical Response Plan
In addition to an immediate solution, a medical response plan should be prepared before your event in case a serious situation arises. In case of an emergency, it is recommended that you have your nearest Emergency Room and Hospital located and you work with your local healthcare workers and emergency responders to develop an outline of proper procedures.
11. Designate a First-Aid/Isolation Location
Given that the safety of your staff and attendees is of the utmost importance, you must be prepared for any unforeseeable circumstances. Another practical measure to take includes designating a first-aid or isolation location in case any one of your attendees demonstrates symptoms of illness and requires action to be taken fast.
12. Establish Virtual Participation Options
The events industry is fast adapting, and over the past few months, many in-person events have had to pivot to a virtual format. Additionally, many in-person events moving forward are being planned as hybrid events and will in some way feature a virtual option or component. If any of your registrants are sick or begin to feel symptoms before arriving onsite, or if any of your registrants are high-risk individuals or simply do not yet feel comfortable attending in person, have a virtual plan in place so they do not miss out on your event.
In conclusion, following the outbreak of COVID-19, in-person events will need to adhere to extensive safety measures to ensure the safety and well-being of their staff, attendees, and the general public. We hope the tips listed above will help you plan for the success and safety of your future onsite events.
Aventri is committed to safely and effectively assisting clients in holding your in-person event. Request a demo and learn how our products and services are geared toward the return to in-person events and have been instrumental in maintaining the health of individuals when meeting face-to-face.
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This Post was Written by Damarley Robinson
Damarley has worked at Aventri since 2019 as an SEO Analyst. He excels at leveraging the power of analytics and user feedback to create and sustain brand loyalty, boost visibility, and creates compelling web content that drives inbound traffic.
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This documentation is archived and is not being maintained.
Working with DataTable Events
The DataTable object provides a series of events that can be processed by an application. The following table describes DataTable events.
Event Description
Initialized
Occurs after the EndInit method of a DataTable is called. This event is intended primarily to support design-time scenarios.
ColumnChanged
Occurs after a value has been successfully changed in a DataColumn.
ColumnChanging
Occurs when a value has been submitted for a DataColumn.
RowChanged
Occurs after a DataColumn value or the RowState of a DataRow in the DataTable has been changed successfully.
RowChanging
Occurs when a change has been submitted for a DataColumn value or the RowState of a DataRow in the DataTable.
RowDeleted
Occurs after a DataRow in the DataTable has been marked as Deleted.
RowDeleting
Occurs before a DataRow in the DataTable is marked as Deleted.
TableCleared
Occurs after a call to the Clear method of the DataTable has successfully cleared every DataRow.
TableClearing
Occurs after the Clear method is called but before the Clear operation begins.
TableNewRow
Occurs after a new DataRow is created by a call to the NewRow method of the DataTable.
Disposed
Occurs when the DataTable is Disposed. Inherited from MarshalByValueComponent.
NoteNote
Most operations that add or delete rows do not raise the ColumnChanged and ColumnChanging events. However, the ReadXml method does raise ColumnChanged and ColumnChanging events, unless the XmlReadMode is set to DiffGram or is set to Auto when the XML document being read is a DiffGram.
Additional Related Events
The Constraints property holds a ConstraintCollection instance. The ConstraintCollection class exposes a CollectionChanged event. This event fires when a constraint is added, modified, or removed from the ConstraintCollection.
The Columns property holds a DataColumnCollection instance. The DataColumnCollection class exposes a CollectionChanged event. This event fires when a DataColumn is added, modified, or removed from the DataColumnCollection. Modifications that cause the event to fire include changes to the name, type, expression or ordinal position of a column.
The Tables property of a DataSet holds a DataTableCollection instance. The DataTableCollection class exposes both a CollectionChanged and a CollectionChanging event. These events fire when a DataTable is added to or removed from the DataSet.
Changes to DataRows can also trigger events for an associated DataView. The DataView class exposes a ListChanged event that fires when a DataColumn value changes or when the composition or sort order of the view changes. The DataRowView class exposes a PropertyChanged event that fires when an associated DataColumn value changes.
Sequence of Operations
Here is the sequence of operations that occur when a DataRow is added, modified, or deleted:
 1. Create the proposed record and apply any changes.
 2. Check constraints for non-expression columns.
 3. Raise the RowChanging or RowDeleting events as applicable.
 4. Set the proposed record to be the current record.
 5. Update any associated indexes.
 6. Raise ListChanged events for associated DataView objects and PropertyChanged events for associated DataRowView objects.
 7. Evaluate all expression columns, but delay checking any constraints on these columns.
 8. Raise ListChanged events for associated DataView objects and PropertyChanged events for associated DataRowView objects affected by the expression column evaluations.
 9. Raise RowChanged or RowDeleted events as applicable.
 10. Check constraints on expression columns.
NoteNote
Changes to expression columns never raise DataTable events. Changes to expression columns only raise DataView and DataRowView events. Expression columns can have dependencies on multiple other columns, and can be evaluated multiple times during a single DataRow operation. Each expression evaluation raises events, and a single DataRow operation can raise multiple ListChanged and PropertyChanged events when expression columns are affected, possibly including multiple events for the same expression column.
Example
The following example demonstrates how to create event handlers for the RowChanged, RowChanging, RowDeleted, RowDeleting, ColumnChanged, ColumnChanging, TableNewRow, TableCleared, and TableClearing events. Each event handler displays output in the console window when it is fired.
static void DataTableEvents()
{
 DataTable table = new DataTable("Customers");
 // Add two columns, id and name.
 table.Columns.Add("id", typeof(int));
 table.Columns.Add("name", typeof(string));
 // Set the primary key.
 table.Columns["id"].Unique = true;
 table.PrimaryKey = new DataColumn[] { table.Columns["id"] };
 // Add a RowChanged event handler.
 table.RowChanged += new DataRowChangeEventHandler(Row_Changed);
 // Add a RowChanging event handler.
 table.RowChanging += new DataRowChangeEventHandler(Row_Changing);
 // Add a RowDeleted event handler.
 table.RowDeleted += new DataRowChangeEventHandler(Row_Deleted);
 // Add a RowDeleting event handler.
 table.RowDeleting += new DataRowChangeEventHandler(Row_Deleting);
 // Add a ColumnChanged event handler.
 table.ColumnChanged += new
 DataColumnChangeEventHandler(Column_Changed);
 // Add a ColumnChanging event handler.
 table.ColumnChanging += new
 DataColumnChangeEventHandler(Column_Changing);
 // Add a TableNewRow event handler.
 table.TableNewRow += new
 DataTableNewRowEventHandler(Table_NewRow);
 // Add a TableCleared event handler.
 table.TableCleared += new
 DataTableClearEventHandler(Table_Cleared);
 // Add a TableClearing event handler.
 table.TableClearing += new
 DataTableClearEventHandler(Table_Clearing);
 // Add a customer.
 DataRow row = table.NewRow();
 row["id"] = 1;
 row["name"] = "Customer1";
 table.Rows.Add(row);
 table.AcceptChanges();
 // Change the customer name.
 table.Rows[0]["name"] = "ChangedCustomer1";
 // Delete the row.
 table.Rows[0].Delete();
 // Clear the table.
 table.Clear();
}
private static void Row_Changed(object sender, DataRowChangeEventArgs e)
{
 Console.WriteLine("Row_Changed Event: name={0}; action={1}",
 e.Row["name"], e.Action);
}
private static void Row_Changing(object sender, DataRowChangeEventArgs e)
{
 Console.WriteLine("Row_Changing Event: name={0}; action={1}",
 e.Row["name"], e.Action);
}
private static void Row_Deleted(object sender, DataRowChangeEventArgs e)
{
 Console.WriteLine("Row_Deleted Event: name={0}; action={1}",
 e.Row["name", DataRowVersion.Original], e.Action);
}
private static void Row_Deleting(object sender,
DataRowChangeEventArgs e)
{
 Console.WriteLine("Row_Deleting Event: name={0}; action={1}",
 e.Row["name"], e.Action);
}
private static void Column_Changed(object sender, DataColumnChangeEventArgs e)
{
 Console.WriteLine("Column_Changed Event: ColumnName={0}; RowState={1}",
 e.Column.ColumnName, e.Row.RowState);
}
private static void Column_Changing(object sender, DataColumnChangeEventArgs e)
{
 Console.WriteLine("Column_Changing Event: ColumnName={0}; RowState={1}",
 e.Column.ColumnName, e.Row.RowState);
}
private static void Table_NewRow(object sender,
 DataTableNewRowEventArgs e)
{
 Console.WriteLine("Table_NewRow Event: RowState={0}",
 e.Row.RowState.ToString());
}
private static void Table_Cleared(object sender, DataTableClearEventArgs e)
{
 Console.WriteLine("Table_Cleared Event: TableName={0}; Rows={1}",
 e.TableName, e.Table.Rows.Count.ToString());
}
private static void Table_Clearing(object sender, DataTableClearEventArgs e)
{
 Console.WriteLine("Table_Clearing Event: TableName={0}; Rows={1


text:
Scrabble word: FOREARM
In which Scrabble dictionary does FOREARM exist?
Definitions of FOREARM in dictionaries:
- noun - the part of the superior limb between the elbow and the wrist
- verb - arm in advance of a confrontation
- The part of the arm between the wrist and the elbow.
- The corresponding part of the foreleg in certain quadrupeds, such as a horse.
- verb - to arm in advance
There are 7 letters in FOREARM: A E F M O R R
Scrabble words that can be created with an extra letter added to FOREARM
All anagrams that could be made from letters of word FOREARM plus a wildcard: FOREARM?
Scrabble words that can be created with letters from word FOREARM
7 letter words
6 letter words
5 letter words
4 letter words
3 letter words
2 letter words
Images for FOREARM
SCRABBLE is the registered trademark of Hasbro and J.W. Spear & Sons Limited. Our scrabble word finder and scrabble cheat word builder is not associated with the Scrabble brand - we merely provide help for players of the official Scrabble game. All intellectual property rights to the game are owned by respective owners in the U.S.A and Canada and the rest of the world. Anagrammer.com is not affiliated with Scrabble. This site is an educational tool and resource for Scrabble & Words With Friends players.


Ducks Unlimited Canada
National Boreal Program
17504 111th Avenue NW
Edmonton, Alberta, Canada
T5S 0A2
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Why do we need boreal wetland policy?
Boreal wetland policies and legislation are integral to effective wetland management.
Boreal wetlands are vulnerable; they are primarily on Crown land and appropriate policies and legislation are needed to help guide governments, industry, and residents in wetland management. Therefore, we strongly support the development of boreal wetland policy and legislation across all Canadian jurisdictions.
For more on the significance of boreal wetlands, check out Boreal Quick Facts.
What are we doing to help?
To aid in this effort, we inform government policies and legislation that conserve boreal waterfowl habitat. We support and influence the development of land use planning strategies, industrial land use regulations and protected areas on Crown land. We collaborate in government programs that align with DUC's waterfowl conservation objectives. We advance boreal wetland policy by developing strong relationships with governments, industry, Indigenous Peoples and other conservation groups.
What should boreal wetland policy look like?
Ideally, wetland policies apply to all wetlands and all sectors. Different jurisdictions may require different approaches, but in general, we are seeking strong government commitment to a no-net loss of boreal wetland functions approach that would protect sensitive or significant areas while ensuring mitigation for any areas that might be lost or degraded. In doing so, our work helps to achieve important social, cultural, ecological and economic outcomes now and into the future.


Wellbeing, Health & Trauma
On this page we are aggregating content related to health both psychological and physical.
Mental Health Resources:
Crisis Response Wellbeing Resources
Feel free to add comments and we will include your resources to the doc.
Dara has been collecting some resources for mental health and trauma relief.
Recipes for Wellbeing
Recipes for Wellbeing has collected a list of 10 resources for taking care of our mental health after a traumatic event like the Beirut Explosion.
Check out their list of 10 resources for people living through a crisis.
Physical Health:
Air Quality information:
This information is from Dr. Najat Saliba at AUB, professor of chemistry and director of the Nature Conservation Center, and has been shared on their Facebook page. We will update this page as we have more information.
The smoke from the blast contains lots of toxic particles and gases. The most dangerous are the fine particles that cannot be stopped by regular masks and the gases like NO2 and all its organic derivatives that will linger and react in the air for a while. In a high relative humidity and stagnant weather, like in Beirut, NO2 in the air leads to nitric acid. However, the presence of ammonia from ammonium nitrate will neutralize part of the nitric acid. The other source of pollution is the deposited toxic dust that will be entrained and resuspended in the air as people move, drive, and sweep.
The immediate consequences, for the most vulnerable population: elderlies and children, are difficulty to breathe in addition to eye and skin irritations. To protect yourself you can do the followings:
 1. Send the elderlies and children to a safer place away from the blasted site, and if this is not possible, keep them in a cleaner environment (see below) indoors.
 2. Wash your hands, face, and exposed skin with soap and water several times during the day
 3. Clean all home indoor surfaces well with wet towels to swipe the deposited particles and avoid its dispersion in the air. Make sure you dry it afterwards as wet surfaces are a good medium for NO2 to deposit and react.
 4. If you have a dehumidifier, use it more at home to reduce the possibility of forming nitric acid indoors
 5. Wear masks especially when cleaning the dust and when going outside
 6. Wear thick gloves to protect your hands from fine particles of shattered glass
 7. Sweep the dust with a vacuum cleaner and not with a broom after removing all large size pieces of glass and other debris
 8. Spray water outdoors like open balconies and garden as much as possible and whenever possible to help particles deposit faster


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Effectiveness of prayer in reducing anxiety in cancer patients
AbstractObjective: To evaluate the effect of prayer on anxiety in cancer patients undergoing chemotherapy. Method: Quasi-experimental study, with pre and post-intervention. Twenty patients admitted to treatment of continuous intravenous chemotherapy were recruited. The volunteers were evaluated through interviews using a questionnaire of sociodemographic, clinical and spiritual characteristics, the Index of Religiosity Duke University and the State-Trait Anxiety Inventory. Vital signs were measured and collected salivary cortisol. The intervention was applied prayer and data collection occurred in three phases: first collection (baseline), pre and post-intervention. Results: The data found between the pre and post-intervention samples showed different statistically significant for state anxiety (p= <0.00), blood pressure (systolic, p=0.00, diastolic, p=<0.00) and respiratory rate (p=0.04). Conclusion: Prayer, therefore, proved to be an effective strategy in reducing the anxiety of the patient undergoing chemotherapy.
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How to Cite
Carvalho, C., Chaves, E., Iunes, D., Simão, T., Grasselli, C., & Braga, C. (2014). Effectiveness of prayer in reducing anxiety in cancer patients . Revista Da Escola De Enfermagem Da USP, 48(4), 684-690. _URL_
Copyright (c) 2015 Revista da Escola de Enfermagem da USP
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.


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A Little Bit of Gunks: Some Bouldering Classics
A Little Bit of Gunks: Some Bouldering Classics
How to Climb Safe: Ascender Safety 101
Pete Takeda yamming up fixed ropes on the Titan's Naked Lunch (VI A4 5.10). Photo by Duane RaleighASCENDER BACKUP OR SCREW UP
Any ascender can accidentally pop off a climbing rope. It can happen in any scenario, but is most likely to occur when the rope is strung horizontally, such as out a roof or across a traverse, both more technically challenging scenarios than that presented by a vertical hanging rope. The problem is threefold:
1. Sideways jugging is awkward and strenuous, making you more apt to screw up.
2. A laterally strung rope can torque your ascenders, possibly squeezing the rope through the gap between the ascender cam and frame. Make sure your ascenders and the rope you are jugging are compatible—some aren't (follow manufacturer's instructions).
3. Cleaning a sideways pitch, or passing a knot, involves constantly removing the top ascender and jumping it past a piece or knot. The frequency of removing and replacing ascenders increases the odds you'll bodger it and not properly reattach an ascender. Worse still, whenever you remove one ascender, you are left hanging from just one jug. If it comes off the rope … Adios.
Figure 1. A proper backup means tying into the end of the rope and clipping to a knot in the rope just below your bottom jug. (Aiders omitted for clarity.) Illustration by Jeremy Collins Always use a backup. For starters, stay tied into the end of the rope. This knot is your emergency chute—even if both ascenders come off the rope. Assuming the distance to the end of the rope is less than the distance to the ground or a ledge, you'll probably live. If the climber on the Trip this summer had tied in, he would be alive today, with one whopper of a free fall to talk about.
In addition, always clip into a series of backup knots as you jug. Clip a locking carabiner to your belay/rappel loop, or through your leg-loop crotch strap and waist belt. Next, tie a figure-eight-on-a-bight in the rope just below your bottom ascender, and clip into this. As you jug, tie another knot every 30 or so feet, and clip it to the locker (Figure 1). Now, the maximum you can fall is 60 feet (twice the length of the 30-foot backup loop). If you are cleaning above a ledge, shorten your backup loop as necessary to avoid a literal smackdown.
Figure 2. Use a prusik as a backup on a rope fixed at both ends. Illustration by Jeremy Collins Backup knots work fine as long as the rope isn't anchored on the bottom end. When the rope is anchored, or when the weight of numerous hanging ropes makes a knot backup impractical, set a prusik on the rope just above your bottom ascender, and clip it directly to your bottom jug (Figure 2). Some ascenders, such as the Petzl Ascension, have a clip-in hole at the top of the frame expressly for this purpose. Now, even if both ascenders mysteriously hop off the rope, the prusik will engage and catch you. Ideally, your bottom ascender will automatically push the prusik up as you go, but you may have to tinker with it to find the point where the prusik is loose enough to scoot but tight enough to cinch. As a final precaution, to help prevent your ascenders from torquing off the rope, especially on a diagonaling line, clip a carabiner to each ascender's frame, then clip the biner around the rope (Figure 3).
Some climbers prefer to rig one ascender on top and use a Petzl Grigri as the bottom "ascender." This method provides greater safety than two ascenders, since a Grigri can't come off the rope and is recommended for cleaning traverses and diagonaling pitches. However, any system, including this one, is fallible—always tie into the end of the rope and use an additional backup knot. The disadvantage of the Grigri is that it takes longer to attach and remove from the rope than an ascender.
Another method calls for two ascenders, per normal, and a Grigri on the rope just below the bottom ascender. Here, the Grigri replaces the backup knots—because it automatically moves with you, you save time by not having to constantly stop and tie those pesky knots. But it is easy to accidentally rig the Grigri upside down, making it a backup in name only. Also, the Grigri can tangle in your rack and possibly jam open. Backup knots and prusiks are safer.
Figure 3. To prevent an ascender from torquing off a rope that runs laterally, clip a carabiner through the frame as shown. certain ascenders, such as the one here, have a carabiner hole in the frame above the cam. Clip a carabiner through this hole to lock the ascender on the rope. Illustration by Jeremy Collins MAKING CONNECTIONS
Until recently, when I finally replaced my jugging rig, it was a tattered arrangement of slings and aiders, faded relics of the neon 1980s. Stupid, stupid, stupid. The slings and daisy chains that connect you to your ascenders are as critical as the rope itself. Keep them in top shape and upgrade as necessary. Also, keep your ascenders in proper working condition. Safety springs and cams wear out. Sticky cams and safety triggers are accidents waiting to happen. Use a locking carabiner for every link in the system, and make sure the locking mechanisms really lock—i.e., double-check your "self-lockers" before you weight the line.
As you sproing up the rope, alternately weighting each ascender, the rope stretches, then rebounds. This up-and-down action very effectively saws your taut cord across the rock. Protect your rope—and yourself—by jugging as smoothly as possible. With practice, and a fine-tuned jugging rig, where all the ancillary components are adjusted precisely to your anatomy and style, you can climb a rope with minimal bouncing. Good style and a good system are critical when you jug a fixed, free-hanging line. In this situation, the rope bounces a lot, with your entire body weight potentially grating the cord across an edge.
Figure 4. Cannily placed gear can direct a rope away from a jagged, ruthless edge. Illustration by Jeremy Collins Smooth over abrasive bulges or edges that can cut the rope. In most cases, the rope-cutting culprit is just below the anchor, where the rope makes its initial contact with the stone. Packs, gloves and shirts slid between rope and rock make for effective rope protectors—I've even used my foot to keep the rope off an edge while I was at a belay, waiting for my partner to jug-clean a pitch. Duct tape works well for covering edges, just be sure to remove it afterward. On numerous El Cap pitches, "fixed" duct tape blows in the breeze like used toilet paper. Some companies, such as Spiroll (, make specialized rope protectors, which "burrito" around the rope.
Another good technique is to use directionals to pull the fixed rope away from edges. Place pieces of protection off to the side of potential rope eaters, and clip the rope to the pro to direct it out of harm's way (Figure 4). Strategically unclipping the rope from protection, or shortening or lengthening slings, can sometimes achieve the same effect.
Last, fix with fat, 11mm ropes, which have durable sheaths meant for abuse. Big walls are no place for wimpy sport lines. Also consider static fixing ropes. Built primarily for the rigors of caving, static ropes have tougher sheaths than dynamic climbing ropes, and, because they have virtually zero stretch, eliminate most of the sawing action inherent to jugging. The downside to using static cords is, of course, that they don't stretch. Even a short fall onto a backup knot on a static rope can cause severe shock-loading.
Most jugging accidents are caused by pilot error. Learn your system inside and out. Practice at a short, safe crag or in a tree, where, removed from the intimidating environment of a big wall, you can concentrate on dialing everything in. Train yourself to listen for the audible "click" of the ascender safety engaging, and visually confirm that each ascender is properly set and locked. On the rock, take every possible precaution: Double-check your system each time you launch out onto the jugs, and you'll make those SAR folks, like the Maytag repair man, will happily become the loneliest people in town.
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convert a linear recurrence into a differential equation
rectodiffeq(eqns, u(n), f(z))
single equation or set of equations
name; recurrence name
name; index of the recurrence u
name; function name
name; variable of the function z
The rectodiffeq(eqns, u(n), f(z)) command converts a linear recurrence into a differential equation.
Let f be the generating function associated with the sequence u(n) where fz=∑n=0∞unzn. The rectodiffeq function returns a linear differential equation with polynomial coefficients satisfied by f.
The input syntax is the same as for rsolve. The first argument is a single recurrence relation or a set containing one recurrence relation and boundary conditions. The recurrence relation is linear in the variable u, with polynomial coefficients in n. The terms of the sequence appearing in the relation should be of the form un+k, with k as an integer.
The function returns either a single differential equation, or a set containing a differential equation and initial conditions.
deq ≔ rectodiffeq5n+10un+aun+1−un+2,u0=0,u1=0,un,ft
deq ≔ rectodiffeqn−10un+1−un,un,yz
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Word Of the Week (WOW) is a weekly meme created by Heena Rathore P. (me.) It's a fun way to improve one's vocabulary by learning new words every week. If you want to participate then simply do a post with your WORD and leave the link to your post as a comment on one of my WOW post.
Here's the WOW for this week :
Part Of Speech:
ambidexterity |-ˈstɛrɪti| noun
- Able to use the right and left hands equally well.
- (of an implement) designed to be used by left-handed and right-handed people with equal ease.
Mid 17th century: from late Latin ambidexter (from Latin ambi- 'on both sides' + dexter'right-handed') + -ous.
Use In Sentences:
- Few of us are naturally ambidextrous.
- My brother is ambidextrous while I am right-handed.
- We got an ambidextrous tile gauge.
I hope you guys like this word and hope it's useful to you in some or the other way! If you want to check out more words like this, then visit my page:


Kenaf plants may hold the secret to reduced biomass conversion costs.
[The group determined that kenaf has an enzyme (and therefore a gene) necessary to make a modified lignin building block that may allow Ã'zipsÃ" to be engineered into the lignin polymer. Unzipping the lignin by simple pretreatments would significant lower pretreatment costs. (Lignin is the polymer Ã'glueÃ" that holds fibers together in the plant cell wall, and is therefore responsible for much of the recalcitrance to efficient processing)]
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Truong Son rice grain
LeBaDang created peculiar rice grains: the rice grains were made of terracotta, stone, wood, bronze…with the various shapes: the rice grain looks like mango, pillow, a rick of straw, house; the hundred-eggs Au Co rice, Dragon rice, Snake rice, Prehistoric rice… each of rice grain is an art work containing the love of people, expressing an artistic soul with the heart of plain country people. He has understood the heart of country people attached to agriculture: the rice grain becomes the life grain that sows the seed of life, scatters the germ of death. With rice, life exists; without rice, there is no life.
LeBaDang signifies rice as a trace back to the primitiveness. On its journey, rice passes history, steps over legend. "Ba Dang rice" reminds of the country's epic and through the country is the human epic. He wants to engrave the rice shapes on the Truong Son landscapes as though a personification of nature, turning the natural world into human world, creating an art Truong Son region with the harmony of innermost feelings and external surrounds. That Truong Son is not a pure natural Truong Son but a Truong Son of humanity- layers upon layers of mountains not a wilderness but bringing the imprints of human life.


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Why Does Copper Turn Green?
Copper turns green because of chemical reactions with the elements.
For the same reason that iron rusts.
Just as iron that is left unprotected in open air will corrode and form a flaky orange-red outer layer, copper that is exposed to the elements undergoes a series of chemical reactions that give the shiny metal a pale green outer layer called a patina.
The patina actually protects the copper below the surface from further corrosion, making it a good water-proofing material for roofs (which is why the roofs of so many old buildings are bright green).
In fact, the weathering and oxidation of the Statue of Liberty's copper skin has amounted to just.005 of an inch over the last century, according to the Copper Development Association.
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USPS Dimensional Weight
Package with a toy robot inside
While a 1-pound package of pillows and a 1-package of clothing may weigh the same, they take up different amounts of space in a USPS truck. To take into account the difference between box sizes and weights of packages, the U.S. Postal Service utilizes Dimensional (DIM) Weight to price package over one cubit foot in volume.This means that the shipping cost for a package that is over one cubic foot may be based on the size of the package rather than the actual physical weight of the package.
What is Dimensional Weight?
Dimensional Weight is a pricing structure that takes into account a package's box dimensions as well as the package weight. As e-commerce sales grow, shipping carriers are running out of space on their delivery trucks and they want to make sure retailers are using the smallest box to fill their trucks with as many packages as possible.
While other national carriers apply DIM Weight for all package sizes, the USPS only uses DIM Weight for packages over one cubic foot for Priority mail, Priority Mail Express, and Parcel Select Packages.
Online retailers whose products are light weight and larger in size (i.e. larger plastic toys, sports equipment, pillows, bubble wrap) will likely pay the DIM Weight price instead of the standard, physical weight price. If a package's calculated Dimensional Weight is more than the physical weight, the shipper is required to pay the Dimensional Weight rate.
How Can I Calculate Dimensional Weight?
 1. First, you need to determine if your package is greater than one cubic foot (1,728 cubic inches). To do this, use the formula L x W x H. If the result is under 1,728, your package is UNDER one cubic foot. If the result is over 1728, then your package is OVER one cubic foot and DIM Weight pricing may apply.
 2. Next, weigh your package to find its actual physical weight.
 3. Finally, calculate the DIM Weight by using the USPS Dimensional Weight formula, which is L x W x H/166. (The 166 is known as the DIM Divisor—the USPS uses 166 while other national carriers use 139 as their divisor.) If the result of this calculation yields a higher weight than the actual physical weight of the package, you will pay the DIM Weight price.
Let's look at an example
Supposed you have a package that measures 16″ x 12″ x 10″ and weighs 2 pounds. Use the formula L x W x H to determine if the package is over one cubic foot.
The result is 1,920 cubic inches which is over the 1,728 one cubic foot threshold—your package will qualify for DIM pricing.
Using the USPS formula 16″ L x 12″ W x 10″ H/166 we calculate the DIM Weight value to be 11.57, or 12 pounds which is greater than the package actual weight of 2 pounds. Since the DIM Weight of your package is greater than the physical weight, you are required to pay the shipping rate for a 12 pound package. As you can see, using the smallest box size for your products is very beneficial to keep your shipping costs low.
Package with dimensional measurements
How Can Help
Determining a package's DIM Weight is easy with Simply enter the weight, box dimensions, and destination of your package, and will automatically determine the correct USPS shipping rate for the package—no manual calculation is needed.
Free* 5 lb. Digital Scale with Sign-up
5 pound digital scale with envelope on top of it
Every new customer account starts with:
 - Free* 5 lb. Digital Scale with sign-up
 - 4-week trial
 - $5 in USPS postage to use in trial period
 - USPS rate discounts you can't get at the Post Office
 - No long-term contracts, cancel anytime
 *pay only S&H fee


A. what is the elevation of point x?
b. what is the elevation of point y?
c. what is the difference in elevation in meters between point x and point y?
you must have three parts to your answer for this question.
A is on the 1600 contour line so it's 1600.
B. Y is on 1240
C. 360
A. 1600 m
B. 1240 m
C. 360 m
In a topographic map, the contour lines are used to determine elevations, and are made by connecting points of equal elevations. Index contour lines are generally darker and are marked with their elevations. Lighter contour lines don't have elevations, but can be determined counting up or down the nearest index contour line and multiplying by the contour interval, which tells the difference in altitude between contour lines. The contour interval is stated on every topographic map. In this case, the contour interval is 20m. So, to determine the altitude of point Y, we have to count 2 contour intervals from the Index contour line that shows altitude 1200, and multiply it by the contour interval:
2 * 20m = 40m
So, the difference in altitude from the Index contour line 1200 to Y is 40m. We can conclude that we have to add this elevation, because the next Index contour line is 1300, so the elevation at point Y is 1240m.
Point X is part of the Index contour line 1600, so its elevation is 1600m.
To get the difference between the 2 points, we simply subtract X - Y
So, 1600m - 1240m = 360m
Do you know the answer?
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Restricted Access 'C' Clamping Smart Drilling Unit 2019-01-1334
One-way assembly of aero structures has the potential to significantly reduce build times. One of the solutions, which goes towards achieving this philosophy, is the use of a 'C' clamping automated drilling system. The Manufacturing Technology Centre has developed and manufactured a 'C' clamping automated drilling unit to overcome many of the limitations of current designs, which prevent their use on a broader range of structures. The drilling unit addresses issues with inter-stack burrs, access, size and weight restrictions as well as economic factors.
This technical paper will present the outcomes from the design and manufacture of the drilling unit that is to be used within restricted access areas, as either a hand held device or as a robotic end effector free from any cables or hoses, allowing full and unhindered articulation of any robot motion. The device's services: power, tool lubrication, swarf extraction and control systems have been designed to be embedded, rendering it a standalone unit. With the miniaturisation of the electrical and mechanical elements, combined with a deep throat, high clamping force and innovative spindle design, the system can be applied in a variety of scenarios. The control system has been designed to be low cost, compact and wireless with a tablet interface for enhanced connectivity, improving on current solutions. Combined with the utilisation of brushless servomotors for real-time position, speed and torque feedback, the unit allows adaptive drilling of multi-material stacks and future development of other smart drilling principles.
The project was funded by Aerospace Technology Institute (ATI) and conducted by the Manufacturing Technology Centre (MTC).
Agata Suwala, Patrick Land, Karol Janik, Richard Kasler


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The Earth Dragon embodies the very spirit of the Earth itself. It is said that this beast is able to spring forth from the ground wherever it chooses, and is a protector of all the creatures and natural places of the world.
- Scientific Name: Draco terra
- Characteristics: This elemental spirit dragon is spreading its wings, which are covered in stars to signify the night sky. Its scales shimmer like the surface of the sea and two branch-like horns sprout from its head, along with a leafy frill. Its gnarled legs and feet symbolize the roots of the great trees of the Earth that have stood for hundreds of years.
- Size and Color: The Earth Dragon is a little over 5 inches long, and stands 6 inches tall to the top of its wings. It's a bit larger than a ceramic coffee mug. This hand-painted dragon figure features pearlescent blue and green scales on its body, with darker blue wings accented with yellow stars, brown for its tree-like horns and legs, green for the leafy plant-like portions of its head, and light brown for its underbelly.
- The Earth Dragon is part of the Dragons collection
- All of our products are Non-toxic and BPA free


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Goldmend History, Family Crest & Coats of Arms
The distinguished surname Goldmend emerged among the industrious people of Flanders, which was an important trading partner and political ally of Britain during the Middle Ages. As a result of the frequent commercial intercourse between the Flemish and English nations, many Flemish migrants settled in Britain. In early times, people were known by only a single name. However, as the population grew and people traveled further afield, it became increasingly necessary to assume an additional name to differentiate between bearers of the same personal name. One of the most common classes of surname is the patronymic surname, which was usually derived from the first name of the person's father. Flemish surnames of this type are often characterized by the diminutive suffix -kin, which became very frequent in England during the 14th century. The surname Goldmend is derived from the Old English personal names Golda or Golde, which were supplemented by the augmentative suffix -man. Goldmann is first recorded on an Essex coin dating from around the time of the Norman Conquest in 1066.
"Goldman was the appropriate name of a moneyer temp. William I."
Early Origins of the Goldmend family
The surname Goldmend was first found in Essex at about the time of the Conquest. Later, Adam Goldeman was listed in the Subsidy Rolls of Yorkshire in 1297 and later again, Maud Goldman was listed in 1393.
In Scotland, "the name of a family long notable in the mercantile annals of Dundee, and supposed by some to have come from Flanders. Goldman, however, is an Old English personal name. The first of the name mentioned in Dundee records is James Goldman, admitted burgess in 1562."
Early History of the Goldmend family
This web page shows only a small excerpt of our Goldmend research. Another 79 words (6 lines of text) covering the years 1605, 1637, 1614, 1688, 1633 and 1634 are included under the topic Early Goldmend History in all our PDF Extended History products and printed products wherever possible.
Goldmend Spelling Variations
Flemish surnames are characterized by a large number of spelling variations. One reason for this is that medieval English lacked definite spelling rules. The spellings of surnames were also influenced by the official court languages, which were French and Latin. Names were rarely spelled consistently in medieval times. Scribes and church officials recorded names as they sounded, rather than adhering to specific spelling rules, and people often had their names registered in several different forms throughout their lives. One of the greatest reasons for change is the linguistic uniqueness of the Flemish settlers in England, who spoke a language closely related to Dutch. The pronunciation and spelling of Flemish names were often altered to suit the tastes of English-speaking people. In many cases, the first, final, or middle syllables of surnames were eliminated. The name has been spelled Goldman, Golman, Gouldman and others.
Early Notables of the Goldmend family (pre 1700)
Another 37 words (3 lines of text) are included under the topic Early Goldmend Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the Goldmend family
In the immigration and passenger lists a number of early immigrants bearing the name Goldmend were found: Elizabeth and Sophia Goldman arrived in Philadelphia in 1804; John Goldman arrived in Pennsylvania in 1743; Simon Goldman settled in Delaware in 1855.
Related Stories +
- ^ Reaney, P.H and R.M. Wilson, A Dictionary of English Surnames. London: Routledge, 1991. Print. (ISBN 0-415-05737-X)
- ^ Lower, Mark Anthony, Patronymica Britannica, A Dictionary of Family Names of the United Kingdom. London: John Russel Smith, 1860. Print.
- ^ Black, George F., The Surnames of Scotland Their Origin, Meaning and History. New York: New York Public Library, 1946. Print. (ISBN 0-87104-172-3)