text:
Control Temperatures Precisely Throughout Your Home
Imagine being comfortable in any area in your home at any time. Villara's Zoned Thermal Equalizer (ZTE) makes it possible.
Eliminate Hot and Cold Spots
Our patented electronic device converts an ordinary heating and air conditioning system into an intelligent comfort control system. Two or more separate zones of your home are createdupstairs and downstairs or living areas and sleeping areas – then temperatures are controlled separately in each zone.
The ZTE system provides benefits to single or two story homes:
- Separate temperature control for each zone
- Maximization of overall system capacity
- Long-term energy savings of up to 17%
- Improvement in temperature differential between floors by up to 60%
- Fully automatic or manual operation


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MarshallerMethods
The MarshallerMethods class contains one-liners for reading and writing objects to and from XML or JSON.
For Groovy
The methods in this class are intended for use in Groovy, but you may still use them in Gloop using a Groovy script step and set expressions. A better class to use in Gloop is JsonMethods.
GloopMethods
Alternatively, you can use one-liners from GloopMethods, JsonMethods, and XmlMethods to help you create Gloop objects from XML or JSON and vice versa.
Below shows a couple of examples using this class's methods:
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// Create object
def bambi = new Deer( "Bambi", "Mule deer" )
// Create JSON string from object
def bambiJsonString = bambi.asJSON()
// Create XML string from object
def bambiXmString = bambi.asXML()
// Re-create the Deer object from the JSON string above
def parsedBambi = bambiJsonString.fromJSON(Deer.class)


text:
Crystals and minerals of Wales
[image: Wesh mineral]
Minerals have played a major role in the economic and social development of Wales since the Bronze Age. Since these ancient times, mineral outcrops and mines have been worked throughout Wales; by Romans and Cistercian Monks, and on into the heyday of Welsh metal mining in the mid nineteenth century, when virtually every outcropping vein or fault was tried by the drivage of adits or the sinking of shallow shafts.
There are currently around 4,000 officially recognized mineral species known to occur globally, of which, 365 have been confirmed from Wales.
Here we present a gallery of Welsh minerals for you to enjoy the incredible colours, forms and lustre of these magnificent museum specimens.
Please click on the images below for more information.
Crystals and Minerals
- 1 July 2009
Over 400 different mineral species occur in Wales, approximately ten percent of all those known. Ten minerals were first discovered in Wales and have been named after famous Welsh geologists, mineralogists, places and even the Museum itself.
- 25 October 2008
- 21 August 2007

source: HuggingFaceFW/fineweb-edu


How to Measure Room Temperature with iphone best way 2021
While your smartphone has temperature sensors, they do not measure room temperature. Instead, these sensors perform an important function for your phone, preventing damage to your battery and other components from overheating. Here is how to measure room temperature with iphone.
To measure ambient temperature with your iPhone, you will need to use a different device. And the use of external sensors prevents the heat generated by your smartphone from affecting your temperature readings. We recommend several different remote temperature monitors, which we will review a little later. But first, let's answer some of your questions about the iPhone and temperature sensors in more detail.
Does the iPhone have a thermometer?
The iPhone has temperature sensors, but like other smartphones, Apple uses sensors to monitor the battery and processor temperature. At extreme temperatures (hot or cold), these sensors turn the device off to prevent damage.
To successfully measure air temperature, you will need a sensor outside the device, as far as possible away from the internal components. It will not be easy to create this setup without disrupting the design of the phone. But even though Apple has designed an outward-facing sensor phone, the temperature reading will not be accurate because your device radiates heat. In how to measure room temperature with iphone.
How to measure room temperature with iphone
You can't check the temperature of a room from your iPhone itself, but you can buy a thermometer that connects to your iPhone via Bluetooth. You can also use these apps and tools to measure the humidity in a room. In how to measure room temperature with iphone.
Is there a room temperature app for the iPhone?
Some app developers have designed room temperature apps for the iPhone. The apps are still using data from these internal temperature sensors and plugging them into an algorithm to estimate the external ambient temperature.
As you know, these temperature sensors are not intended for such use, and any readings provided by apps are estimates only and will have a high margin of error. We recommend that you stay away from these types of apps and instead buy an external temperature sensor such as a WiFi temperature monitor that can be viewed via a app on your smartphone for the most accurate readings. In how to measure room temperature with iphone.
A remote temperature monitor can connect to your phone via WiFi or Bluetooth, so you can leave the sensor in a room and remotely monitor temperature and humidity at any time on your iPhone. You will also be able to view historical data and set custom alerts when the temperature or humidity exceeds your ideal limit.
Best tool for measuring room temperature with your iPhone
There are many excellent sensors for measuring ambient temperature with the iPhone, all of which include a companion app to remotely monitor readings. The three tools below get the best reviews from our readers and are our top recommendations.
Temp Stick WiFi Temperature and Humidity Senso
The Temp Stick is, by far, one of our favorite WiFi thermometers to use with a smartphone. This accurate, reliable and intuitive app makes it very easy to use. Powered by 2 'AA' batteries, you'll get up to a year of use without changing the battery, and with a WiFi connection, the placement of the Temp Stick is limited only by the range of your wireless network.
Setting up the device is a breeze, with most buyers reporting that it takes them less than five minutes to install the app and connect the sensor to their WiFi network. You can view current and historical temperature and humidity readings through the app, set custom alerts and change settings. If you lose connectivity, the Temp Stick can store up to 100 readings in its internal memory, and the best thing is that there is zero subscription fee to use the service.
The ability to alert up to ten contacts is another great feature when the temperature exceeds a predetermined limit. This alert functionality makes it an excellent choice for businesses that can sell temperature-sensitive goods. You can also use it easily at home to inform the whole family about the potential problem. In how to measure room temperature with iphone.
Also read Send multiple photo in iphone.
SensorPush Wireless Thermometer and Hygrometer
Like the Temp Stick, SensorPush also allows you to measure room temperature from your smartphone. However, SensorPush only includes Bluetooth connectivity, so you need to be close to the sensor to access data. The sensor range is 325 feet of line of vision. Also, if the connection to your phone is lost, the sensor can store up to 20 days of data onboard. Like the Temp Stick, it also has a battery life of about a year. in how to measure room temperature with iphone.
Without wifi is positive. It allows the company to sell SensorPush for much less than its competitors. You can also buy an optional WiFi gateway to connect your sensor to the Internet and view data when you are not at home. Do not mistake the low price of SensorPush for lack of quality. Swiss-made sensing components ensure that the readings you receive are accurate and reliable.
If you avoid the limitations, this SensorPush is one of the top rated thermometers on Amazon, with more than 2,200 five-star reviews. If you are on a budget, this is an option to consider.
Ambient Weather WS-8482-X3
If you are serious about temperature monitoring around your home, choose the ambient weather WS-8482-X3. This model can support up to seven sensors, including additional thermo-hygrometers, optional soil moisture, or floating water temperature sensors. It is one of the most versatile remote temperature monitors on the market.
The setup includes a WiFi-enabled base station / console that allows you to view data without logging into the app, as well as three temperature and humidity sensors. If you want to monitor the many rooms or areas around your property, the WS-8482-X3 is our top recommendation.
WS-8482-X3 uploads its data to the company's online web and app-based portal AmbientWeather.net, where you can view readings and set custom alerts. The price is also very reasonable, and it provides the most value for money for those who need to track temperatures in more than one area. In how to measure room temperature with iphone.
The conclusion
If you need to measure room temperature with your iPhone, do not use the app. Instead, choose one of the external sensors above, as you will get more accurate (and useful) readings. We found the Temp Stick to be the best model overall because it is accurate, reliable and easy to setup. However, both SensorPush and WS-8482-X3 are great options.
This is all about how to measure room temperature with iphone, Thanks for reading.
FAQ(how to measure room temperature with iphone)
Can I use my phone as a room thermometer?
Download the thermometer application on your smartphone. Now a days many smartphones are equipped with sensors that they use to monitor the temperature of the device. So you can download an app that uses these sensors to read the ambient temperature of the room. Use the Google Play Store to download the app on your Android.
What is the normal room temperature?
Average room temperature is usually around 20 ° C or 68 ° F.
What is the temperature of a comfortable living room?
Most people find the ideal living room temperature to be between 19 and 22 degrees. Others believe that 'warmer the better', certainly keeping in mind that every degree will also appear on the bill. Preferably, do not heat more than 20 or 21 degrees.
What is the general setting for central heating?
According to Energy Star, setting your thermostat at 68 ° F (20 ° C) when you're at home is the ideal balance of comfort and energy efficiency.
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text:
Lessons learnt from 921 Jiji Earthquake's recovery, suitable relocation sites are critical to land planning institutions to implement disaster recovery plans and to propose creative solutions to address unforeseen difficulties quickly. It is the time matter in disaster recovery and reconstruction management that the longer it takes, the higher uncertainty it becomes, resulting in lengthy, complex relocation processes. A virtual relocation land reserve system is suggested that site alternatives for relocation are pre-prepared through a land suitability assessment. To this end, the concept and advanced GIS techniques of disaster risk management were applied to disaster-prone village identification and the land suitability analysis for safety relocation land assessment. The article first created disaster risk maps of Taiwan to see the distribution of the disaster-prone village, in which disaster hazardousness and vulnerability were discussed. The relocation projects of 921 Jiji Earthquake were also reviewed and concluded that there are six key factors for successful relocations, which are land regulations, location safety, financial feasibility, social and cultural connections, economic vitality, and awareness and willingness of community. The factors were further developed into criteria and were used in the land suitability analysis of relocation site assessment for disaster-prone areas.
disaster recovery, land suitability analysis, relocation, risk analysis, risk map, vulnerability
 Jung, S.W., "Never again": narratives of suffering and memory of the 9/21 earthquake in Taiwan. Taiwan Journal of Anthropology, 7(1), pp. 35–65, 2009.
 921 Earthquake Relief Foundation, available at _URL_
 Shieh, J.C., Chang, R., Tsai, P.H. & Wang, C.K., Review of post-disaster village relocation policy in Taiwan. Journal of Housing Studies, 17(2), pp. 81–97, 2008.
 Chang, Y.-M., Tribe reconstruction planning (Chapter 5). A Study on the Reconstruction of San-Cha-Keng Atayal Aboriginal Tribe after 921 Earthquake Disaster, Master thesis, Department of Architecture: Tunghai University, pp. 5-1 5-20, 2007.
 Debris Flow Prevention Information System, Soil and Water Conservation Bureau, Council of Agriculture, Executive Yuan, available at 246.swcb.gov.tw
 Disaster Prevention Information Service Network, Water Resource Agency, Ministry of Economic Affairs, available at fhy2.wra.gov.tw/Pub_WebE_2012
 Interpretation of Geological Features Service System, Central Geological Survey, Ministry of Economic Affairs, available at _URL_-1/sys8/index.cfm
 Morakot Post-Disaster Reconstruction Council, Executive Yuan, available at 88flood. _URL_
 Amendola, A., Management of change, disaster risk, and uncertainty: an overview. Journal of Natural Disaster Science, 26(2), pp. 55–61, 2004. OpenISDM, available at openisdm.iis.sinica.edu.tw
 Office of the United Nations disaster relief co-ordinator. National Disasters and Vulnerability Analysis, 1979.
 Lin, H., An approach to access suitable lands for disaster mitigation. WIT Transactions on the Built Environment, 133, ISSN _PHONE_, 2013. doi: _URL_ dman130201
 Taolin Digital Surveying Engineering Co. Ltd., The Primary and Revised Field Investigation and Security Assessment of Disaster Indigenous Tribe Villages by Typhoon Morakot, Council of Indigenous Peoples, Executive Yuan, 2009.
 Charng-Feng Engineering Consultants Ltd., Morakot Rehabilitation Housing Project – the site of Wu-Li-Pu Village, Jea-Shian, Kaohsiung, Kaohsiung City Government, 2009.
 Shieh, L.S., Su, W.R., Wu, C.R. & Hwang, J.H., The field investigation for flooding and the development of flooding information management system. NGIS Quarterly, 61, pp. 27–40, 2007.
 Hsu, P.H., Wu, S.Y. & Lin, F.T., Disaster management using GIS technology: a case study in Taiwan. Proceedings of the 26th Asia Conference on Remote Sensing, eds. Asian Association on Remote Sensing (AARS), Curran Associates, Inc., pp. 1510– 1519, 2005.

source: m-a-p/FineFineWeb


text:
Birth Name: Carol Leifer
Born In: Long Island, New York, USA
Birthdate: July 27, 1956
Age: 66 years old (as of 2023)
Carol Leifer was born on the 27th of July, 1956. She is famous for being a Screenwriter. She wrote several episodes of Seinfeld with Jerry Seinfeld. Carol Leifer's age is 66. American comedian, writer, and actor known for her work as a television writer for Seinfeld and the Academy Awards. She was the inspiration for the Seinfeld character of Elaine.
The 66-year-old screenwriter was born in Long Island, New York, USA. She performed as a stand-up comedian before being discovered by David Letterman. She was nominated for three Primetime Emmy Awards, including one for her writing work for the 2010 Academy Awards.
Carol Leifer is a Leo and her 67th birthday is in .
Carol Leifer was born in 1950s. The 1950s is often viewed as "baby boom" and a period of conformity, when young and old alike followed group norms rather than striking out on their own. The 50s were also the beginning of the Space Race, Cold War and the Civil Rights Movement. Discover what happened on this day.
Carol Leifer is part of the Baby boomers generation. Also known as "boomers", are the result of the end of World War II, when birth rates across the world spiked. They are associated with a rejection of traditional values. These hippie kids protested against the Vietnam War and participated in the civil rights movement.
You can also find out who is Carol Leifer dating now and celebrity dating histories at CelebsCouples.
While we don't know Carol Leifer birth time, but we do know her mother gave birth to her on a Friday. People who are born on a Friday are social, have self-confidence, and and a generous personality. They have a flair for beauty, elegance, romance, affection and refinement.
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The 66-year-old American was born in the Baby Boomers Generation and the Year of the Monkey
Carol Leifer attended Binghamton University, Queens College, City University of New York.
Carol Leifer's mother's name is unknown at this time and her father's name is under review. We will continue to update information on Carol Leifer's parents.
Like many famous people and celebrities, Carol Leifer keeps her personal life private. Once more details are available on who she is dating, we will update this section.
|REAL NAME:||Carol Leifer|
|AGE GENERATION:||Baby Boomers Generation|
|DAYS SINCE BIRTH:|
The 66-year-old American screenwriter has done well thus far. Majority of Carol's money comes from being a screenwriter. CelebsMoney has recently updated Carol Leifer's net worth.
Zodiac Sign: Carol Leifer is a Leo. People of this zodiac sign like to be admired, expensive things, bright colors, and dislike being ignored, facing difficulties, not being treated specially. The strengths of this sign are being creative, passionate, generous, warm-hearted, cheerful, humorous, while weaknesses can be arrogant, stubborn, self-centered, lazy and inflexible. The greatest overall compatibility with Leo is Aquarius, Gemini.
Chinese Zodiac: Carol Leifer was born in the Year of the Rabbit. People born under this sign love to make people laugh and are generally energetic and upbeat but sometimes lack self-control.
Ruling Planet: Carol Leifer has a ruling planet of Sun and has a ruling planet of Sun and by astrological associations Saturday is ruled by Sun. The Sun is about vitality and is the core giver of life. It is also known as being the most generous and noble of signs. People who are born with the Sun as the ruling planet are courageous, self-expressive and bold.
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Carol Leifer's birth sign is Leo and she has a ruling planet of Sun.
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Fact Check: We strive for accuracy and fairness. If you see something that doesn't look right, contact us. This page is updated often with new details about Carol Leifer. Bookmark this page and come back often for updates.


Help Us, Help Them!
You can help with the Movie Institute's educational and training efforts for young people and adults by giving a tax deductible gift today!
Changing lives one frame at a time!
As a 501(c)(3) charitable nonprofit organization, The Movie Institute gratefully accepts tax deductible donations from those with a desire to support people with their exploration of creativity and training in work discipline and accomplishment skills.
Through The Movie Institute programs, people are given a unique opportunity to gain lasting life skills such as teamwork, discipline, leadership and critical thinking, all in a fun and nurturing environment!
Thank you for your valued interest in Movie Institute Programs for the community!
Together We Can Make A Difference


text:
The genus Arabitrigonia (Cretaceous Bivalvia: Pterotrigoniidae), with descriptions of two new species
Cooper, Michael R.
published: Apr 1, 2016
ArtNo. ESP155028001000, Price: 29.00 €
Two new species of the pterotrigoniid bivalve Arabitrigonia (Nakano, 1973) are described, one from the Late Albian of South Africa and the other from the Cenomanian of Lebanon. Together they greatly extend the geographical and stratigraphical range of the genus. Trigonia syriaca Conrad, 1852, a likely senior synonym of A. pseudocrenulata (Noetling, 1886), is declared a nomen oblitum.


text:
The holiday season is about family picnics with children running barefoot.
However, some parents insist on their children wearing shoes due to safety concerns.
Prof Ranel Venter from the Department of Sport Science in the Faculty of Education at Stellenbosch University and her colleague Dr Elbé de Villiers collaborated with researchers from the University of Jena and the University of Hamburg looking at children who grew up walking barefoot.
The study was conducted in South Africa and Germany between March 2015 and June 2016 and published recently in the journal Frontiers in Pediatrics.
The study found that young children, who grow up walking barefoot, have better balance and can also jump further than children who wear shoes.
Prof Venter said, "Our research has shown that regular physical activities without shoes may be beneficial for the development of jumping and balance skills, especially in the age of 6–10 years."
Venter said the aim of the research was to evaluate, for the first time, the link between growing up barefoot or wearing shoes and the development of motor performance during childhood and adolescence.
"To our knowledge, no study has examined the potential relationship between regular barefoot activities and motor skill," she said.
Three hundred and eighty-five habitual barefoot and 425 shoe-wearing children between 6 and 18 years were recruited in schools across rural and urban areas in the Western Cape and Northern Germany.
Prof Venter says the two populations were chosen due to their different footwear habits.
"Whereas South African children are generally used to walk barefoot during the day, almost all German children wear shoes during school time and for most of recreational activities."
For the children to be considered habitually barefoot, they had to be barefoot at school and in and around the house or during sports/recreational activities.
Both groups had to participate in physical activity for at least 120 accumulative minutes per week and they had to be free of any orthopaedic, neurological or neuromuscular conditions that may influence motor performance.
Venter says all the children completed balance (walking backwards in a self-selected, comfortable speed over three balance beams of 6, 4.5, and 3cm width), standing long jump and 20m sprint tests.
"Results of these tests show that barefoot children in South Africa's primary schools performed better in balance tests than their German counterparts who never walks barefoot. This may be related to the fact that the feet of South Africa's children is wider and more deformable. Barefoot children were also able to jump further from a standing position that German children. This may be related to the fact that the foot arches of South African children are well developed. Children who are regularly barefoot have higher foot arches than children who never walk barefoot. Their feet are also more flexible and less flat," said Prof Venter.
Venter says that as far as jumping results are concerned, significant effects were found for the age groups 6–10 and 15–18 years.
She also pointed out that fewer differences were observed during adolescence although there are greater jump distances and slower sprint times in barefoot individuals.
Venter said the overall results of their study emphasize the influence on and importance of footwear habits for the development of feet and motor skills during childhood and adolescence.

source: openbmb/Ultra-FineWeb


Debugging Server Connect Errors
You can easily debug issues related to server-side processing such as - form not sending email, record not inserting or updating, query not showing data etc.
The first thing you need to do is to open the server connect settings:
And enable the Debug Mode:
Click Save:
In your browser, open the Developer tools. If you don't know how to open them please refer to your browser's documentation. Then open the Network tab(1) and select XHR(2):
Now with the developer tools open reload the page if your server action runs on load, or submit the form if the server action is run on form submit. You will see the error message in the XHR tab, it contains the file which is causing it as well as the error status:
Click the name of file that is causing the error. You will see the error message, explaining what is wrong. In our case, the database column, which we are trying to insert record into is not found - which probably means it has been renamed or deleted from the database, and we forgot to update the server action accordingly:
Not all errors are that clear, but in many cases they are just helpful enough to find what is wrong.


text:
|NATIONAL PARKS QUICKLINKS|
Backpacker Magazine – October 2008
When a storm comes out of nowhere, learn how to handle the unexpected.
3. Reading the weather
WRONG: Ignore those clouds building on the horizon–the summit is just an hour away!
RIGHT: Watch for thick, dark, anvil-shaped clouds. If bad weather seems to be blowing in, stop and do a "pre-mortem": If a storm obscures visibility, will you be able to find your way back down? Will you be exposed to lightning? Keep track of warning signs, such as dropping temperatures and increased winds, and use them to convince summit-fevered partners to turn back.
How to spot a coming storm
A. Altostratus: These high, gray clouds often cover the entire sky and indicate prolonged rain or snow is on the way.
B. Nimbostratus: These low, thick, gray clouds block most sunlight and usually bring steady, lightto mediumintensity rain or snow.
C. Cumulonimbus: These towering, anvil-shaped clouds can produce lightning, snow, heavy rain, and hail.
4. Deciding to stay or go
WRONG: Strike out blindly into the storm, trying to feel your way to safety in a whiteout–you have to get outta there, no matter what!
RIGHT: "If the weather's so bad that you can't see the trail, you should wait it out," says Brown. Mark your location on your map or GPS, put on extra layers, then find or build shelter.


Do Drone Range Extenders Work? How To Boost Your Signals?
Are you looking for a DIY drone range extender or a way to increase drone range?
This guide might be the one you need!
As drone technology is getting better from one day to another, new and better features are appearing for them.
One of the most important properties of a drone is the maximum range between the aircraft and the controller.
This range is influenced by several factors and not only by the technology your drone is equipped with.
The signal for your quadcopter is way stronger in areas without buildings and a dense population.
This might be a good reason why you are reading my article.
Drone signal extenders or in other name signal boosters are giving a new shape and direction for the controller signals.
These antennas are not increasing the amount of signals emitted.
Their main role is to utilize the existing signals that would normally move in the opposite direction from the drone.
Here I would like to answer all of your possible questions and the main dilemma:
Do drone range and signal extenders work?
The short answer to your question is a strong yes.
They are increasing the signal strength which will have different beneficial effects.
 - These signal extenders will allow you to fly a little bit further with your drone.
Of course, the simple range extenders won't make it possible to fly an additional 5 miles.
But they can easily add one or two miles in plus.
drone range signal extender booster
 - They can eliminate the dropouts you are getting with a bigger distance and also in a more crowded area.
 - The buildings will always block a part of the signals.
 - But these extenders can focus them and by this, they can reduce your interference problems too.
Many drone pilots are not satisfied with the capacity of their aircraft.
Fortunately, there are several methods to increase the signal range and "power" of your drone.
Many talented people are uploading videos to the internet about DIY projects too.
These extenders might help you focus the signals, but the after-market tools have a better design and effects too.
How can I increase the range of my drone?
There are two basic versions of these range extenders. The majority of DIY projects are also based on these two solutions methods.
Signal extender types:
 - Parabolic range extender
 - Yagi Uda signal amplifier
Both of these two types are based on the same principles, so basically you will get almost the same result from them.
The parabolic type of signal amplifier/extender is know for even centuries.
The Yogi Uda one was invented in the first part of the twentieth century.
A lot of people might think these can't have a serious influence on signal strength.
But they are based on simple and already-proven physical principles.
Even if some drone pilots don't know how to measure significant differences, they still are working.
The majority of these extenders are called boosters too.
But they are not really boosting your signals. They are not powered by electricity or anything else.
They are based on similar technology as the simple tv antennas.
While those are collecting the signals, the ones for drones have a different role too.
Drone signal boosters are shaping and focusing the signals emitted by the controller.
So the majority of signals that would go upwards, back, or in any other direction, will be focused frontwards.
The difference between the two of these tools is the shape and strength of the signals.
Parabolic signal extender
As I already mentioned the technology and the idea behind this tool is available for hundreds of years.
They were used even to focus the power of the sun.
In our case, the main purpose of these parabolic antennas is to redirect almost 50% of the signals that would be lost.
Imagine the drone is in front of you, so every signal from the controller that goes in the opposite direction is worthless.
parabolic signal booster
These tools are simply changing their direction and focusing them toward your quadcopter.
The good thing about it is that you don't have to know the exact location of your drone to profit from the additional signals.
The only thing you need is to mount these amplifiers and face towards your quadcopter.
Similar article: Can Drones Show Up On Radars?
Yagi Uda signal booster antennas
These have different shapes, and they are working based on different methods too.
These extenders can mean significantly more range because of the shape and direction of signals they are creating.
The signals of the controller are reflected and also shaped into a narrow beam.
This property is allowing you to fly your drone way further.
Unfortunately, these Yagi Uda antennas have an important downside too.
Because of the way it is focusing, the width of your beams is very limited.
So, by using this „signal booster" you need to know the exact direction of your drone.
In many cases, this might be tricky, and it can cause a loss of signals.
Best drone range extender solution
The solution I will mention might seem a little bit unorthodox or uncommon.
But this way of extending the range of your drone is simply based on science.
Using both solutions, the parabolic and the Yagi Uda antennas will give you the perfect solution.
The parabolic antenna is gathering all signals that would go backward.
And the Yagi Uda one will give a more focused direction for a part of the beams.
Why would you need a signal extender/booster?
Many people are calling these little antennas signal boosters.
In some ways, they are increasing the number of beams your drone can take.
As I already mentioned these are not increasing the amount, your controller is emitting, they are only focusing them to a direction you want.
 - I think the main reason to use an antenna like this is to increase the signals in busy areas.
 - For many people, the biggest motivation is to increase the maximum range of the aircraft.
 - But getting a more strong one for the same distance might seem more important.
 - Reducing the chance of drone flyaways will give you a good amount of peace of mind.
 - I think no one likes to see the no signal or signal lost message on the phone.
Many drones don't have the return to home option.
In their cases losing the signal can cause unpleasant moments.
Even fair eye contact with your device might not be enough for controlling it properly.
 - The additional range you can earn with these signal shapers is only a nice bonus from my point of view.
How do I increase the range of my FPV drone?
Using a signal booster for FPV drones is getting a more important role.
A lot of these quadcopters are self-made or at least without serious software.
Their main purpose is to achieve higher speeds, more intense spins, turns, and movements.
The additional abilities are coming with some price.
The majority of these drones don't have the return-to-home option in case of signal loss.
So, if you are unlucky and your drone is losing the signal it has a high chance of crashing it.
Under this topic, I will mention range extension possibilities based only on signal boosting.
Using both parabolic and Yagi Uda solutions to increase the range of your FPV drones are the cheapest and smartest ways to avoid weak signals.
DIY drone range extender
The first questions you might ask is: does it worth doing it myself?
Would these range extenders work properly?
Aftermarket signal boosters are not expensive at all.
Buying one for your $400 drone with $8 – $14 is almost nothing. I think they are the best solution.
Doing one for yourself won't have the same effect and probably the design of it will be way behind these.
But if you want to have fun with a little DIY project, these can be a good solution for you.
A homemade drone range extender can be made for free.
In almost every household you will find every material for it, so you can start making one for yourself right away.
The basic materials you will need are:
 - Cardboard paper
 - Aluminum foil
 - Scissors
 - Glue
 - Knife
In the following YouTube tutorial video, you can see how can you make a signal booster compatible with the majority of DJI drones.
Similar articles about drone propeller guards or do drones need sd cards?
Do you know why are the drones so expensive? Find out the reasons!
FAQ
Do drone range and signal extenders work?
If you are using them properly they can focus the signals emitted by your controller.
How do I increase the range of my FPV drone?
Using additional antennas might be the best solution to increase the range of the signals. Both parabolic and Yagi Uda antennas are very useful.
Are DIY drone range extenders useful?
Even homemade signal boosters can be useful if they are prepared and put into action in a proper way.
Similar Posts


VeriDIP: Verifying Ownership of Deep Neural Networks through Privacy Leakage Fingerprints. (arXiv:2310.10656v1 [cs.CR])
Deploying Machine Learning as a Service gives rise to model plagiarism,
leading to copyright infringement. Ownership testing techniques are designed to
identify model fingerprints for verifying plagiarism. However, previous works
often rely on overfitting or robustness features as fingerprints, lacking
theoretical guarantees and exhibiting under-performance on generalized models.
In this paper, we propose a novel ownership testing method called VeriDIP,
which verifies a DNN model's intellectual property. VeriDIP makes two major
contributions. (1) It utilizes membership inference attacks to estimate the
lower bound of privacy leakage, which reflects the fingerprint of a given
model. The privacy leakage fingerprints highlight the unique patterns through
which the models memorize sensitive training datasets. (2) We introduce a novel
approach using less private samples to enhance the performance of ownership
testing.
Extensive experimental results confirm that VeriDIP is effective and
efficient in validating the ownership of deep learning models trained on both
image and tabular datasets. VeriDIP achieves comparable performance to
state-of-the-art methods on image datasets while significantly reducing
computation and communication costs. Enhanced VeriDIP demonstrates superior
verification performance on generalized deep learning models, particularly on
table-trained models. Additionally, VeriDIP exhibits similar effectiveness on
utility-preserving differentially private models compared to non-differentially
private baselines.
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Ocs package
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OCS : Octave Circuit Simulator
History and Motivation
Problem Formulation
Data Structure
File Formats
There are several ways of setting up the data structure for an OCS simulation. The first approach is to just assign the fields of the data structure via Octave commands, otherwise one can parse an ascii file written in (a subste of) SPICE netlist language or in OCS's own netlist specification language called IFF (Interchange File Format)
IFF netlists
The name IFF stands for "Intermediate File Format" or "Interchange File Format" it represents an ASCII file format for describing coupled electrical circuits, devices and systems. The IFF syntx described here is version 0.1b1.
A circuit description is comprised of a set of files of three different types:
 - 1 CIR (Circuit) file: an ASCII text file with filename <circuitname>.cir
 - 1 NMS (Names) file: an ASCII text file with filename <circuitname>.nms
 - N >= 1 SBN (Subnet) files: a set of M-functions or DLD-functions following the template described below.
SBN files are not necessarily specific to one circuit and can be grouped in libraries as long as the directory containing the library is added to the path when the IFF parser is run.
CIR file
The CIR file is divided into two sections describing the linear time–independent (LCR = linear circuit) and the non–linear and/or time–dependent (NLC = non–linear circuit) partitions of the circuit respectively. The syntax for the LCR and NLC section is identical. NLC can also contain linear elements, in fact the whole circuit could be described only by the NLC section but this could result in the evaluator unnecessarily recomputing local matrices for linear time–independent elements The content of CIR files is organized as follows:
SPICE netlists
SPICE .spc netlists are parsed via the function "prs_spice", which currently supports the set of "Element Cards" shown below with their instantiating syntax.
Code: Model evaluator file for simple MOSFET models
 - Capacitors:
 Cname n+ n- cvalue
 - Diodes:
 Cname anode knode modelname <parameters>
 - MOS:
 Mname gnode dnode snode bnode modelname <parameters>
 N.B.: one instance of a MOS element MUST be preceeded
 (everywhere in the file) by the declaration of the related
 model. For instance:
 .MODEL mynmos NMOS( k=1e-4 Vth=0.1 rd=1e6)
 M2 Vgate 0 Vdrain 0 mynmos
 - Resistors:
 Rname n+ n- rvalue
 - Voltage sources:
 Vname n+ n- <dcvalue> <transvalue>
 Transvalue specifies a transient voltage source
 SIN(VO VA FREQ TD THETA)
 where:
 * VO (offset)
 * VA (amplitude)
 * FREQ (frequency)
 * TD (delay)
 * THETA (damping factor)
 * 0 to TD: V0
 * TD to TSTOP: VO +
 VA*exp(-(time-TD)*THETA)*sine(twopi*FREQ*(time+TD))
 Currently the damping factor has no effect.
 Pulse
 PULSE(V1 V2 TD TR TF PW PER)
 parameters meaning
 * V1 (initial value)
 * V2 (pulsed value)
 * TD (delay time)
 * TR (rise time)
 * TF (fall time)
 * PW (pulse width)
 * PER (period)
 Currently rise and fall time are not implemented yet.
 - .MODEL cards Defines a model for semiconductor devices
 .MODEL MNAME TYPE(PNAME1=PVAL1 PNAME2=PVAL2 ... )
 TYPE can be:
 * NMOS N-channel MOSFET model
 * PMOS P-channel MOSFET model
 * D diode model
 The parameter "LEVEL" is currently assigned to the field
 "section" in the call of the element functions by the solver.
 Currently supported values for the parameter LEVEL for NMOS
 and PMOS are:
 * simple
 * lincap
 (see documentation of function Mdiode).
 Currently supported values for the parameter LEVEL for D are:
 * simple
 (see documentation of functions Mnmosfet and Mpmosfet).
Tutorials
A CMOS AND GATE
Schematic for a CMOS AND gate
Here we show how to set up the simulation of the CMOS AND gate in the figure. The circuit has
 - 9 Elements
 - 6 MOSFETs (3 n-type + 3 p-type)
 - 3 Voltage sources
For the n-type MOSFETs we use a very simple algebraic model defined by the following code
Code: Model evaluator file for simple MOSFET models
function [a,b,c] = Mnmosfet (string, parameters, parameternames, extvar, intvar, t)

 switch string
 case 'simple',

 rd = 1e6;

 for ii=1:length(parameternames)
 eval([parameternames{ii} "=",...
 num2str(parameters(ii)) " ;"])
 endfor

 vg = extvar(1);
 vs = extvar(2);
 vd = extvar(3);
 vb = extvar(4);

 vgs = vg-vs;
 vds = vd-vs;

 if (vgs < Vth)

 gm = 0;
 gd = 1/rd;
 id = vds*gd;

 elseif ((vgs-Vth)>=(vds))&(vds>=0)

 id = k*((vgs-Vth)*vds-(vds^2)/2)+vds/rd;
 gm = k*vds;
 gd = k*(vgs-Vth-vds)+1/rd;

 elseif ((vgs-Vth)>=(vds))&(vds<0)

 gm = 0;
 gd = 1/rd;
 id = vds*gd;

 else # (i.e. if 0 <= vgs-vth <= vds)

 id = k*(vgs-Vth)^2/2+vds/rd;
 gm = k*(vgs-Vth);
 gd = 1/rd;

 endif

 a = zeros(4);

 b = [ 0 0 0 0;
 -gm (gm+gd) -gd 0;
 gm -(gm+gd) gd 0;
 0 0 0 0];

 c = [0 -id id 0]';
 break;
 otherwise
 error(["Mnmosfet: unknown option " string]);

 endswitch
endfunction
The model for the p-type devices is entirely analogous.
Below we show three methods for constructing the circuit data structure
Once the circuit data structure is loaded the simulation can be started by the following commands
Code: Run the AND gate simulation
x = [.5 .5 .33 .66 .5 1 0 0 1 ]';
t = linspace (0, .5, 100);
pltvars = {"Va", "Vb", "Va_and_b"};
dmp = .2;
tol = 1e-15;
maxit = 100;
out = tst_backward_euler (outstruct, x, t, tol, maxit, pltvars);
Result of the CMOS AND gate switching simulation
Click on the figure to the right to see the simulation results
Build the AND GATE structure directly
Code: Build the AND GATE structure via an Octave script
## NLC
# n-type
outstruct.NLC(1).func = "Mnmosfet";
outstruct.NLC(1).section = "simple";
outstruct.NLC(1).nextvar = 4;
outstruct.NLC(1).npar = 3;
outstruct.NLC(1).nparnames = 3;
outstruct.NLC(1).parnames = { "k", "Vth", "rd"};
outstruct.NLC(1).pvmatrix = [1.0000e-04 1.0000e-01 1.0000e+07
 1.0000e-04 1.0000e-01 1.0000e+07
 1.0000e-04 1.0000e-01 1.0000e+07];
outstruct.NLC(1).vnmatrix = [1 3 4 0
 2 0 3 0
 4 0 5 0];
outstruct.NLC(1).nintvar = [0 0 0];
outstruct.NLC(1).osintvar = [0 0 0];
# p-type
outstruct.NLC(2).func = "


text:
Know Your Farmer, Know Your Food
Welcome to Seminary Hill Farm
Seminary Hill Farm is a sustainable market farm covering 10 acres of the campus of Methodist Theological School in Ohio. Surrounded by woodlands, a network of paths fall between the precise layout of open, fertile fields. Two 96-foot hoop houses stretch across the back corner of the acreage, with mini hoop houses lining the path to the barn. These hoop houses extend the season and allow the farm to provide fresh food all year long. In the north field, a greenhouse towers over the pond and provides an elegant introduction to the carefully outlined fields behind it. From the layout of the farm to the planning for the fields, each detail is carefully considered by the team at Seminary Hill Farm in order to offer the metropolitan area of Columbus, Ohio a product worth celebrating.
Whether it is during the heights of the hot summer months or the cold, dreary days of winter, our farm team is hard at work building a biological farming system that optimizes every aspect of production. Our strategic crop rotation ensures plant nutrition. Natural fertilizers, such as organic matter and compost, builds the sustainability of the soil. Hand management is preferred to preserve the integrity of the soil and the health of the plant. The harvest is carefully planned so that every crop is harvested at its peak using the proper equipment and is washed and prepared to ensure quality. The tools and techniques Seminary Hill Farm uses are based on the knowledge learned from hundreds of years of traditional farming. We are committed to these practices because we are dedicated to building a sustainable food system for our community and the future generations to come.
The community can access the fresh, local food harvested from Seminary Hill Farm in a number of different ways. Seminary Hill Kitchen works closely with our farm team to incorporate the fresh harvest into their daily menus and private events. Members who sign up for our Community Supported Agriculture (CSA) program, have weekly access to fresh food from the farm every season. The CSA program has proven a great way to gather as a community and support local food. The farm also attends local farmer's markets and provides hyper-local ingredients to restaurants within the region.
Interested in joining our team? Find out more information about our Apprentice Program here.
Interested in more information about our farm or our CSA program? Fill out the form below and someone from our team will be happy to reach out to you.


text:
Now i came to know why my precise loops alwayz showed a random behaviour.
Actually i used to call timeGetTime() to do timing control.
But it seems because of the granularity of the system timer can be as high as 10-15
milliseconds, meaning that timeGetTime() is only accurate to 10-15 milliseconds.
There are multiple approaches which we can use for time control, some of them are :
It stands for "Read Time Stamp Counter." This assembly instruction returns
an unsigned 64-bit integer reading on the processor's internal high-precision
In order to get the frequency of the timer (how much the timer return
value will increment in 1 second), you can read the registry for the machine's
bool GetPentiumClockEstimateFromRegistry(unsigned __int64 *frequency)
*frequency = 0;
rc = RegOpenKeyEx(
if (rc == ERROR_SUCCESS)
cbBuffer = sizeof (DWORD);
rc = RegQueryValueEx
if (rc == ERROR_SUCCESS)
*frequency = freq_mhz*1024*1024;
return (*frequency > 0);
double GetPentiumTimeAsDouble(unsigned __int64 frequency)
// returns < 0 on failure; otherwise, returns current cpu time, in seconds.
// warning: watch out for wraparound!
// get high-precision time:
unsigned __int64 high_perf_time;
unsigned __int64 *dest = &high_perf_time;
_emit 0xf // these two bytes form the 'rdtsc' asm instruction,
_emit 0x31 // available on Pentium I and later.
mov esi, dest
mov [esi ], eax // lower 32 bits of tsc
mov [esi+4], edx // upper 32 bits of tsc
__int64 time_s = (__int64)(high_perf_time / frequency);
__int64 time_fract = (__int64)(high_perf_time % frequency);
double ret = (time_s % (60*60*24*7)) + (double)time_fract/(double)((__int64)frequency);
QueryPerformanceFrequency & QueryPerformanceCounter:
QueryPerformanceFrequency returns the amount that the counter will increment over 1 second; QueryPerformanceCounter
returns a LARGE_INTEGER (a 64-bit *signed* integer) that is the current value of the counter.
This approach is accurate upto 10 micro seconds.
If we call timeBeginPeriod(1) at the beginning of our program (and timeEndPeriod(1) at the end), timeGetTime() will usually become
accurate to 1-2 milliseconds.
Sleep() sleeps for goes hand-in-hand with the granularity of timeGetTime(), so after calling timeBeginPeriod(1) once, Sleep(1)
will actually sleep for 1-2 milliseconds, Sleep(2) for 2-3, and so on (instead of sleeping in increments as high as 10-15 ms).
For simple timing, both timeGetTime and QueryPerformanceCounter work well, and QueryPerformanceCounter is obviously more accurate.
Part of this post is coming Ryan M. Geiss's post.


text:
If you own a Subaru Forester, you may have wondered at some point whether the seats can come off. Perhaps you want to replace the seat covers, upgrade to a new seat, or simply clean the seats more thoroughly. Whatever your reason may be, the answer is yes, the seats in a Subaru Forester can come off.
In this article, we'll go over everything you need to know about removing the seats in a Subaru Forester. From the tools you'll need to the step-by-step process of removing the seats, we've got you covered. So let's dive in!
- The seats in a Subaru Forester can come off.
- You will need a few tools including a socket wrench and torx bits.
- Removing the seats is a fairly simple process that can be done in a few steps.
- Be sure to disconnect the battery before removing the seats to avoid any electrical issues.
Tools You'll Need
Before we dive into the process of removing the seats, let's first go over the tools you'll need. You don't need any specialized tools, but you will need a few basics:
- Socket wrench
- Sockets (10mm, 14mm, and 17mm)
- Torx bits (T50 and T55)
Now that you have your tools ready, here's the step-by-step process for removing the seats in a Subaru Forester:
Step 1: Disconnect the Battery
Before you begin, it's important to disconnect the battery to avoid any electrical issues. Locate the negative cable on the battery and use pliers to loosen the nut that attaches the cable to the battery. Once it's loose, you can remove the cable from the battery.
Step 2: Remove the Headrests
Start by removing the headrests from the seats. You can do this by pressing in the release button on the base of the headrest and pulling up to remove it.
Step 3: Remove the Seat Covers
Next, you'll need to remove the seat covers. You can do this by pulling up on the front corners of the seat covers to release the clips. Once the clips are released, you can remove the seat covers from the seats.
Step 4: Remove the Bolts
Using your socket wrench and the appropriate sockets, remove the bolts that attach the seats to the floor. There will be four bolts per seat, two in the front and two in the back.
Step 5: Remove the Seats
Once the bolts are removed, you can lift the seats up and remove them from the vehicle. Be sure to lift straight up to avoid damaging any electrical connections that may be underneath the seats.
And that's it! Removing the seats in a Subaru Forester is a fairly simple process that can be done in just a few steps.
How long does it take to remove the seats?
Removing the seats in a Subaru Forester should take no more than an hour, even for those who are less experienced with car repairs.
Do I need any special tools to remove the seats?
No, you don't need any special tools. You will need a socket wrench, sockets (10mm, 14mm, and 17mm), torx bits (T50 and T55), and pliers.
Will removing the seats affect any electrical systems in the car?
It's possible that removing the seats could affect some electrical systems in the car, which is why it's important to disconnect the battery before removing the seats.
Can I reinstall the seats myself?
Yes, you can reinstall the seats yourself using the same process in reverse.
Can I replace the seats with aftermarket seats?
Yes, you can replace the seats with aftermarket seats, but you'll need to make sure they are compatible with your vehicle.
Removing the seats in a Subaru Forester is a fairly simple process that can be done in just a few steps. With the right tools and a little bit of patience, you can easily remove the seats yourself. Be sure to disconnect the battery before you begin and follow the steps carefully to avoid any damage to your vehicle. Whether you want to upgrade to new seats or replace the seat covers, now you know how to remove the seats in your Subaru Forester.


Visual slam is a technology based on computer vision for precise indoor location and positioning.
In particular, Visual SLAM refers to the complex process of calculating the position and orientation of a device with respect to its surroundings, while mapping the environment at the same time, using only visual inputs from a camera. For example, Dragonfly is a visual SLAM technology.
Introduction to Visual SLAM
SLAM stands for "Simultaneous Localization and Mapping". This means that the device performing SLAM is able to:
 - Map the location, creating a 3D virtual map
 - Locate itself inside the map
Visual SLAM, also known as vSLAM, is a technology able to build a map of an unknown environment and perform location at the same time. It simultaneously leverage the partially built map, using just computer vision. As a result, Visual SLAM uses only visual inputs to perform location and mapping. This means that the only sensor required is a camera that has to be mounted on board of the device. No other external sensors are required, thus making this technology more flexible than LIDARS or UWB.
Today, with the great improvements in automation and robotics, vSLAM is one of the most challenging open problems for developing autonomous robots and vehicles.
For this reason, we have developed and created Dragonfly to solve this problem. We are proud to offer a robust and reliable technology for precise indoor location of robots, drones, autonomous vehicles.
In conclusion, Dragonfly is a unique patented vSLAM technology that can work with monocular and stereo cameras. In addition, it is able to provide an accuracy up to 5 cm, without the use of LiDARs or of motion sensors.
How can visual SLAM be used and what are the applications?
Visual SLAM can be used in many ways, and its main scope is to provide precise location to autonomous devices, robots, drones, vehicles.
As a result, we work with different companies all around the world to address multiple requirements and projects with Dragonfly. This is a partial list of the typical use cases that can be addressed by Dragonfly:
 - Provide location to robots and drones. Dragonfly comes with a direct ROS integration, upon request, becoming the first SLAM for ROS technology;
 - Remotely monitor the location of devices: Dragonfly can be used to track forklifts inside a warehouse for example, to optimize the operations;
 - Integrate autonomous navigation on board of Unmanned Ground or Aerial Vehicles (UGV, UAV);
 - Control the movements of machines for collision avoidance.
Drones can be programmed to use Dragonfly as a location engine, and the location data can be used as a source for autonomous navigation. In addition, ROS nodes available upon request to integrate Dragonfly SLAM for ROS.
Robots and automated devices can be tracked using Dragonfly, with an extremely high level of precision. Furthermore, ROS nodes available upon request to integrate Dragonfly SLAM for ROS.
It is possible to install Dragonfly on Forklifts, to monitor their movements inside warehouses and improve the operation management. As a result Dragonfly is currently used by many of companies for advanced warehouse management. Are you interested in a ready-to-use WMS? Take a look at the On.Plant WMS!
Dragonfly is a key component for indoor navigation. In particular, where GPS is not precise enough, or inside GPS-denied environments, Dragonfly can provide the optimal level of precision for autonomous navigation.
How can vSLAM be integrated?
Accuware Dragonfly provides all the tools to developers to integrate vSLAM. For this reason, Dragonfly offers API able to provide the real-time location of the device, and the output is a complete 6-DoF. It includes:
 - X, Y, Z coordinates, expressed in meters from an origin.
 - Absolute WGS-84 coordinates (latitude, longitude) + altitude in meters.
 - Yaw, Pitch, Roll : these values indicate the rotation of the device on the three axes. You can read more about the principle behind the Aircraft principal axes on Wikipedia.
We are open to customize the API output upon request. In particular, our R&D team can tailor the payload to address different requirements (it is possible to add the speed indication, the deliver the output in other geographic protocols, to change the type of format…). So please feel free to contact us if you have custom requests.
Accuware provides ROS nodes for direct ROS integration so that Dragonfly can be seamlessly integrated on board of Robots and devices using ROS.
Interested in the technical aspects?
Are you ready to test Dragonfly?


text:
Villanova Launches Sustainable Engineering Research Center
The new center of research will aim to bring concepts of sustainability within the study and practice of engineering to life.
Villanova's College of Engineering has launched a new center of research that brings concepts of sustainability within the study and practice of engineering to life. The new Villanova Center for the Advancement of Sustainability in Engineering (VCASE) will house multi-disciplinary research and teaching in a number of emerging areas and seeks to protect and restore the environment through the systems-based integration of sustainability principles into engineering solutions.
"In the 21st century, engineering innovations will be judged not only on how effectively they solve a particular problem, but also on the net impact they leave on the planet. The importance of working across disciplines to mitigate that impact, while respecting the complexity of our environment, cannot be overstated," says Dr. Robert Traver, professor of civil and environmental engineering and director of VCASE. Traver is also the director of the Villanova Urban Stormwater Partnership and recently served on the National Academy of Sciences panel tapped to review the White House Council on Environmental Quality's proposed revisions to federal principles and guidelines for water resources planning.
VCASE draws together faculty and students from the college's four academic departments (chemical, mechanical, electrical and computer, and civil and environmental), whose research efforts are organized into five main research focus areas:
- Biomass resources and conversion technologies,
- Alternative and renewable energy,
- Environmental sustainability,
- Infrastructure materials and transportation systems, and
- Villanova Urban Stormwater Partnership, which has promoted a partnership approach to sustainable stormwater management for more than 10 years
In addition to the college of engineering's laboratories, VCASE student and faculty researchers also leverage Villanova's campus infrastructure, which serves as a living laboratory for conducting real-world experimental studies. The on-campus research sites include: stormwater wetlands; bio-infiltration and bio-retention basins; bio-swale; green roof; geothermal wells; rain barrels; pervious concrete and porous asphalt; and solar panels.
Recent VCASE research initiatives include:
- Continuing studies on the long-term performance of stormwater control measures funded through Pennsylvania's Growing Greener and 319 NonPoint Source Pollution program.
- Converting wastewater byproducts such as fats, oils, and grease into renewable energy sources such as methane gas for the Philadelphia Water Department.
- Design of extremely efficient micro-scale heat exchangers to keep electronics, such as computer chips, cool.
- Three university studies into the science of bioretention funded by The Cooperative Institute for Coastal and Estuarine Environmental Technology.
- An exploration of how pervious concrete and porous asphalt – both alternatives to conventional paving materials – can reduce negative stormwater runoff effects.
- An investigation of the long-term performance of mature stormwater abatement systems to determine how well they reduce the toxicity of stormwater runoff and how long these systems can properly remove contaminants before maintenance will be required for the U.S. Environmental Protection Agency.
In addition to conducting research, VCASE faculty researchers also host industry and community outreach activities, collaborate across Villanova's other colleges, and build partnerships with other universities, engineering firms, and manufacturing organizations. In addition, VCASE members also serve in a counseling capacity to Villanova's facilities management office as it stewards changes according to the campus master plan. A recent result of this partnership was the retro-fitting of Fedigan Hall, an 80-year-old residence hall, which now boasts green amenities such as geothermal wells, porous asphalt, rain barrels, and rain gardens, among other environmental upgrades.


based formatting has demonstrated improvements to reading performance:
 - Students young and old who want to improve their learning performance, either for their primary language or one or more secondary languages;
 - Below average readers (Lake Wobegon children excepted);
 - Busy professionals who read every day in a distracting environment;
 - Readers who find that they often read while they're tired, and want to maintain and improve their reading performance even under poor conditions;
 - Anyone who feels overwhelmed by today's information overload and wants to improve their experience.
Whether you read news articles, journals, books, or even your Facebook feed, adding Asym Spacing can improve your experience.
Today, Asymmetrica Labs is launching the Asym Browser Extension for Chrome, Firefox, and Safari for pages in English. In the background, the Asym extension will dynamically apply our language models to the contents of your web pages. After your pages load, our spacing will quickly "snap" into place. We never change the text content, we just augment it with better word spacing.
We're pleased to provide this benefit to everyone and, in our initial release phase, the extension will be free. Support for Spanish and other languages are in the pipeline.
Content creators and distributors can benefit as well. Asymmetrica offers testing plans for creators to format their content using our secure APIs. Run A/B tests between the original content and Asym Spacing, and find out how much Asym Spacing can improve your content for your readers – we only benefit if you do. Delivering your content with Asym Spacing to hundreds, thousands, or even millions of people will improve your users' experience and your bottom line.
Keep an eye out for our future developments, and enjoy your reading!
This entire post was formatted using this technology. Did Asym Spacing improve your reading experience?
Let us know what you think on Facebook, Twitter, Google+, or LinkedIn (_USER_) or in the comments below.
[1] North, A. J., & Jenkins, L. B. (1951). Reading speed and comprehension as a function of typography. Journal of Applied Psychology.


text:
many a teacher vs many teachers
I've seen this kind of construction before so I know it's not a grammatical mistake or a typo on the publisher's part. (Besides, I'm not proficient enough to point out mistakes made by publishers) But I don't know why the author chose to use'many a teacher' as opposed to'many teachers'. Can anyone provide an explanation for this?
One much talked-about educational theorist in the Rogersian tradition is the well-known Brazilian educator Paolo Freire (1970), whose seminal work, Pedagogy of the Opressed
, has inspired many a teacher
to consider the importance of the empowerment of students in classrooms.
Re: many a teacher vs many teachers
Both mean the same thing...
Originally Posted by HaraKiriBlade
many a teacher is a rather old way of writing and not used much any more.
By Veron1 in forum Ask a Teacher
Last Post: 01-Sep-2007, 09:04
By Rain$Windy in forum Ask a Teacher
Last Post: 23-Jul-2007, 22:41
Search Engine Optimization by vBSEO


Authenticating users
Knowing what's what and who's who
Almost every application needs to know who's calling it, whether the user represents a person in a consumer-facing app or an organization in a B2B app. Encore supports both use cases in a simple yet powerful way.
As described in defining APIs, Encore offers three access levels for APIs:
 - //encore:api public defines a public API that anybody on the internet can call
 - //encore:api private defines a private API that only other backend services can call
 - //encore:api auth defines a public API that anybody can call, but that requires valid authentication.
When an API is defined with access level auth, outside calls to that API must specify an authorization header, in the form Authorization: Bearer <token>. The token is passed to a designated auth handler function and the API call is allowed to go through only if the auth handler determines the token is valid.
The auth handler
Encore applications can designate a special function to handle authentication, by defining a function and annotating it with //encore:authhandler. This annotation tells Encore to run the function whenever an incoming API call contains an authentication token.
The auth handler is responsible for validating the incoming authentication token and returning an auth.UID (a string type representing a user id). The auth.UID can be whatever you wish, but in practice it usually maps directly to the primary key stored in a user table (either defined in the Encore service or in an external service like Firebase or Okta).
With custom user data
Oftentimes it's convenient for the rest of your application to easily be able to look up information about the authenticated user making the request. If that's the case, define the auth handler like so:
import "_URL_"
// Data can be named whatever you prefer (but must be exported).
type Data struct {
 Username string
 // ...
}
// AuthHandler can be named whatever you prefer (but must be exported).
//encore:authhandler
func AuthHandler(ctx context.Context, token string) (auth.UID, *Data, error) {
 // Validate the token and look up the user id and user data,
 // for example by calling Firebase Auth.
}
Without custom user data
When you don't require custom user data and it's sufficient to use auth.UID, simply skip it in the return type:
import "_URL_"
// AuthHandler can be named whatever you prefer (but must be exported).
//encore:authhandler
func AuthHandler(ctx context.Context, token string) (auth.UID, error) {
 // Validate the token and look up the user id,
 // for example by calling Firebase Auth.
}
Handling auth errors
When a token doesn't match your auth rules (for example if it's expired, the token has been revoked, or the token is invalid), you should return a non-nil error from the auth handler.
Encore passes the error message on to the user when you use Encore's built-in error package, so we recommend using that with the error code Unauthenticated to communicate what happened. For example:
import "_URL_"
//encore:authhandler
func AuthHandler(ctx context.Context, token string) (auth.UID, error) {
 return "", &errs.Error{
 Code: errs.Unauthenticated,
 Message: "invalid token",
 }
}
Note that for security reasons you may not want to reveal too much information about why a request did not pass your auth checks. There are many subtle security considerations when dealing with authentication and we don't have time to go into all of them here. Whenever possible we recommend using a third-party auth provider; see Using Firebase Authentication for an example of how to do that.
Using auth data
Once the user has been identified by the auth handler, the API handler is called as usual. If it wishes to inspect the authenticated user, it can use the _URL_ package:
 - auth.Data() returns the custom user data returned by the auth handler (if any)
 - auth.UserID() returns (auth.UID, bool) to get the authenticated user id (if any)
For an incoming request from the outside to an API that uses the auth access level, these are guaranteed to be set since the API won't be called if the auth handler doesn't succeed.
If an endpoint calls another endpoint during its processing, and the original does not have an authenticated user, the request will fail. This behavior preserves the guarantees that auth endpoints always have an authenticated user.
Note that the auth handler is invoked for all requests that specify an auth token, which lets users optionally authenticate to public APIs. This can be useful in some circumstances to return additional information. The second return value from auth.UserID() can be used to determine if the request has an authenticated user.


You can, just need to use a bmp, or png >:D
/help /background
/background [-aemsgdluhcfnrtpx] [window] [filename]
Changes the background picture setting for a window. This can also be changed via a windows System Menu.
-a = active window
-m = main mIRC window
-s = status window
-g = finger window
-d = single message window
-e = set as default
-l = toolbar
-u = toolbar buttons
-h = switchbar
You can right-click in the toolbar/switchbar to pop up a menu for changing these settings. Toolbar buttons can use RGB Color 255,0,255 for transparency, the BMP must be of the same form as that in mIRC resources. It should be a 16 or 256 color BMP.


m, n] is the smallest integer of the same relative ratios.
Negative directions :
Negative directions When we write the direction [n1n2n3] depend on the origin, negative directions can be written as R = l a + m b + n c Direction must be smallest integers.
Examples of crystal directions :
Examples of crystal directions X = 1 , Y = 0 , Z = 0 ► [1 0 0]
Crystal Planes :
Crystal Planes Within a crystal lattice it is possible to identify sets of equally spaced parallel planes. These are called lattice planes. In the figure density of lattice points on each plane of a set is the same and all lattice points are contained on each set of planes.
MILLER INDICES FOR CRYSTALLOGRAPHIC PLANES :
MILLER INDICES FOR CRYSTALLOGRAPHIC PLANES William HallowesMiller in 1839 was able to give each face a unique label of three small integers, the Miller Indices Definition: Miller Indices are the reciprocals of the fractional intercepts (with fractions cleared) which the plane makes with the crystallographic x,y,z axes of the three nonparallel edges of the cubic unit cell.
Miller Indices :
Miller Indices Miller Indices are a symbolic vector representation for the orientation of an atomic plane in a crystal lattice and are defined as the reciprocals of the fractional intercepts which the plane makes with the crystallographic axes. To determine Miller indices of a plane, we use the following steps 1) Determine the intercepts of the plane along each of the three crystallographic directions 2) Take the reciprocals of the intercepts 3) If fractions result, multiply each by the denominator of the smallest fraction
IMPORTANT HINTS: :
IMPORTANT HINTS: When a plane is parallel to any axis,the intercept of the plane on that axis is infinity.So,the Miller index for that axis is Zero A bar is put on the Miller index when the intercept of a plane on any axis is negative The normal drawn to a plane (h,k,l) gives the direction [h,k,l]
Example-1 :
Example-1
Example-2 :
Example-2
Example-3 :
Example-3
Example-4 :
Example-4
Miller Indices :
Miller Indices
Spacing between planes in a cubic crystal is :
Spacing between planes in a cubic crystal is Where dhkl = inter-planar spacing between planes with Miller indices h, k and l.a = lattice constant (edge of the cube)h, k, l = Miller indices of cubic planes being considered.
X-Ray diffraction :
X-Ray diffraction X-ray crystallography, also called X-ray diffraction, is used to determine crystal structures by interpreting the diffraction patterns formed when X-rays are scattered by the electrons of atoms in crystalline solids. X-rays are sent through a crystal to reveal the pattern in which the molecules and atoms contained within the crystal are arranged.
Slide 64:
This x-ray crystallography was developed by physicists William Lawrence Bragg and his father William Henry Bragg. In _PHONE_, the younger Bragg developed Bragg's law, which connects the observed scattering with reflections from evenly spaced planes within the crystal.
X-Ray DiffractionBragg's Law : 2dsinΘ = nλ :
X-Ray DiffractionBragg's Law : 2dsinΘ = nλ
Slide 66:
ThanQ Any Queries ?...
authorStream Live Help


Fun & Lifestyle
What Does It Mean When Cats Lick Each Other?
Feline interaction is an amusing sight to behold. But, to understand why cats interact a certain way is a different kettle of fish.
Today's post will dive into the world of cat grooming, licking, or washing. More specifically, Allogrooming (social grooming) and mutual grooming.
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In a nutshell, cats lick each other for hygiene and social bonding. However, licking is not always a positive experience for all cats involved. Tension may build up and fighting starts.
An awareness of the many different reasons why cats lick each other will help the cat guardian detect acceptance, hierarchy, and even illness among cats. Read on.
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What does it mean if a cat licks another cat?
Licking is first learned and experienced by cats at birth. The Queen will lick her kitten clean including its amniotic sac, fluids, and umbilical cord.
The reason is both for hygiene and transferring the "family scent" to her litter. The Queen should do this immediately with each kitten while in labor for the rest of her litter. This should provide the Queen with essential nutrients and prevent infections from her litter.
Eventually, sibling cats and felines that grow up together will mirror the Queen's act and lick each other to help keep everyone clean. Mating cats may also bond through licking.
If you introduce a new cat to the household, the other cats may start licking the new cat. This means they welcome and accept the new cat.
Why do cats lick each other's private areas?
It is normal for cats to help each other keep their bums and privates clean by licking these hard to reach areas. With newborn kittens, it is essential.
At birth, you will notice the Queen will lick its kittens' abdomen and private areas. This is necessary to encourage the kitten to poop and pee.
Newborn kittens will not excrete without stimulation. If the kitten is abandoned or its mum dies during birth, you need to stimulate its private areas with a warm, wet cloth.
If you adopt kittens, your existing cat may take on a motherly role and lick the other cat's bum. Be careful as not all Queens will care for adopted kittens. Often, they will reject a cat that does not have its scent. This is why it is vital to leave the Queen with her instinct to lick her kittens clean. This way, she is less likely to abandon them.
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Why does my cat lick my other cat's head?
You know when you have someone scratch your back, you won't let just anyone scratch it for you. It has to be someone you trust.
Cats are like this, too. Your cat may approach a fellow feline to be groomed. They may stretch out and expose their head or neck.
When self-grooming, cats will lick their paws to wash their head and neck. It just feels cleaner when another cat can lick those hard to reach areas.
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Why do cats bite each other's necks while grooming?
Biting is as much a sign of affection as licking is. It is built on trust, familiarity, and feeling at ease.
But, the biter can also be showing its dominance. It is not necessarily aggression or bullying, rather showing who the alpha is in the household.
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Cats grooming each other show dominance
Research has revealed that dominant and confident cats are most likely to lick more submissive or shy cats. The alpha will stand or sit upright while licking the other cat (lying or sitting lower) often in the head-neck area only.
You see, even cats lay boundaries on where they can be licked. Some cats would allow their back or even their ears to be licked clean. Often cats would hit the other if it licks their paws.
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Why do my cats lick each other and then start fighting?
Watch out for signs of tension especially from the cat being groomed. The same goes for when petting your cat. If the groomed cat stiffens up, stops purring, and twitches the tip of its tail this can result in aggression.
If a cat is not used to being licked, it can either resist or tolerate. This depends on the temperament of your cat and when they are fighting to establish a pecking order.
Allogrooming ends when the cat being licked will move away, fight or flee. This does not mean they don't like being groomed. It means they had enough like when we move away after a hug that lingered too long.
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Cats licking each other and then fighting could be a sign of illness, too.
Cats are sensitive to physical and emotional unease, both from their own kind as well as from their human companions. Licking can be done to soothe a stressed or unwell cat.
Your cat can lick a family feline that is suffering from pain in a certain area. Lingering grooming in a certain spot could be a sign of illness, such as pain in the bones, muscles, ligaments, or organs.
However, instead of soothing a fellow cat, some cats would sound the alarm by showing aggression. It can hiss or start a fight. Check the groomed cat for signs of fleas or infection.
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Why don't my cats groom each other?
There is no reason to worry about cats that do not groom each other. As long as they self-groom, it is okay.
Cats show affection in different ways. They may sit or lie next to each other. They may play with, chase, protect, or even play-fight with each other.
Licking each other takes a whole new level of trust and intimacy. It is a matter of preference. Some are really cozy and like to snuggle.
Their temperament may change as they grow old, too. Sibling kittens may lick and snuggle while they are young and grow up and stop showing affection this way.
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How does a cat feel when being licked by another cat?
In general, cats will relax and feel reduced tension when licked by another cat. This is most evident with the Queen and her litter. You may notice kittens feel calmer after being licked by their mum. However, excessive licking can cause tension and stress, too resulting in fights.
It is quite amusing to see a feline simply tolerate a cat who likes to lick others clean. Even dominant cats will let younger cats lick them clean to reinforce social bonds. Among siblings, younger cats can try to establish a higher hierarchy than their older siblings by licking, too.
Sometimes, cats will get annoyed by licking and will walk away. Lickers may do this explicitly to get what they want such as a window perch the other feline was sitting on.
Why do cats groom other pets?
In a multi-pet household, you may find cats grooming your dog or other pets to show affection and bonding. A dominant cat may groom a younger or more submissive dog, too. Licking is also done to spread the communal scent within members of the household, including their human companions.
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What does it mean when cats lick you?
It is a privilege for a cat parent to be licked by family felines. It means they like you and branding you as their own. Again, your cat not licking you does not mean it cares less for you.
Your cat can lick and then bite you, or bite then lick you. In turn, when you pet it you have to keep within boundaries. You will notice when you have crossed the line because your cat will be tense, be aggressive, or move away.
How to stop a cat from licking you
Do you have a clingy cat, but you prefer not to have affection shown this way? After all, a cat's tongue is rough. You may distract your cat with food or play, but do not scold or punish the little feline.
Avoid letting your cat lick you if it had been out hunting to avoid passing on infections. For your cat's safety, you may want to keep it indoors. Discretion should be exercised.
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Wrap Up
Cats lick each other mean positive social interactions, helping each other groom, showing acceptance and dominance. Licking is an acquired trait from the mother cat. Felines can spot stress and illness in a fellow cat when they are licking.


text:
This study revealed the importance of SO4 2− ions during biogenic scorodite crystallization via a two-stage As-removal process, using a combination of liquid and solid analyses (chemical digestion, FT-IR, SEM, TG-DTA, particle distribution). The first-stage As-removal was induced by microbial oxidation of Fe2+ and As(III), precipitating SO4 2−-bearing amorphous precursors composed of basic ferric sulfate (MFex(SO4)y(OH)z) and ferric arsenate (FeAsO4·(2 + n)H2O). This was followed by an induction period (a period of constant concentration), where dissolution-recrystallization of unstable amorphous precursors proceeded: Re-dissolved metal ions became locally concentrated on the surface of precursors, which gave the driving force for the second-stage As-removal as secondary layers of crystalline biogenic scorodite (Fe(AsO4)0.94(SO4)0.08·1.69H2O) out of even more dilute and seeded solution. This phase transformation process was also accompanied by continuous dehydration. This two-stage As-removal via SO4 2−-mediated phase transformation was shown to be key to promote biogenic scorodite formation with greater final As-removal from dilute As(III)-bearing solutions.
All Science Journal Classification (ASJC) codes
- Industrial and Manufacturing Engineering
- Metals and Alloys
- Materials Chemistry


text:
The Ben Lippen Finance Director, under the supervision of the Controller, has the responsibility to provide leadership in sound fiscal management of all financial matters, including the development and management of the budget, and the management of receipts and payments. The Ben Lippen Finance Director is the liaison between the CIU Accounting Department and Ben Lippen School, and assists in budget preparation, budget control, and student billing.
- Provides leadership in developing and maintaining optimal fiscal programs and operations.
- Provides leadership in projecting and financial planning for future years.
- Assist Ben Lippen Headmaster, CIU Controller in the preparation of the annual budget for Ben Lippen School.
- Reviews all financial data coming from Ben Lippen to CIU to assure proper approval, documentation and account coding are on documents that are submitted.
- Investigates budget variances as required or requested by CIU Controller, or Ben Lippen Headmaster. Takes appropriate action as needed.
- Directs and assists in the preparation and operation of Ben Lippen student billing. Reconciles Ben Lippen student billing to CIU general ledger monthly.
- Acts as Ben Lippen liaison with the audit firm conducting the annual CIU financial audit under the supervision of the CIU Controller.
- Reviews Ben Lippen accounts receivable for delinquent accounts and assists in the implementation of delinquent policy, and collection process as needed.
- Creates Budget Analysis report for Budget officers and works with them on analyzing variances.
- Continuously analyzes processes to be automated/ improved
- Reconciles credit card statements.
- Supervises and assists in the preparation and deposit of Ben Lippen funds received.
- Serves as secretary for regular finance meetings, taking minutes, preparing required reports, updating calendar and agenda, and scheduling meetings on a regular basis.
- Creates monthly reports to be distributed to the BLS Finance Committee and headmaster.
- Other duties as assigned by CIU Controller.
- Good working knowledge of accounting procedures and software.
- Strong knowledge of billing, budgeting and accounts receivable systems.
- Competency in Microsoft Excel and Word.
- Very strong in collaborative working relationships.
- B.A.or B.S. degree in Accounting or Business required.
- Minimum of five years of accounting experience required.


text:
Last year, Microsoft Research released a new SDK/Framework called Lab of Things that supports their existing HomeOS project. HomeOS provides a centralized, holistic control of devices in the home. It provides to users intuitive controls to manage their devices.
Professor Nilanjan Banerjee of the University of Maryland at Baltimore County, an early adopter of Lab of Things platform has developed a system that could help people with limited mobility lead more independent lives by enabling them to control the environment in their home and workplaces. Their system detects gestures and uses them to activate lights and other appliances in the home. These sensors capture/monitor subtle motions such as finger twitching, lower arm rotation, and head movements among paralysis patients, with the ultimate goal of providing these individuals the ability to control appliances in caregiving and home settings.
The sensor design for this project was developed by Professor Ryan Robucci and his team. With the Lab of Things, Professor Robucci was able to develop and test the sensor components quickly without having to develop the accompanying software. Also part of this project was Dr. Sandy McCombe-Waller from the University of Maryland, School of Medicine, who specializes in rehabilitation of people with various forms of injuries and disabilities. She helped with understanding the various types of mobility issues involved, and with the Lab of Things was able to test various designs of the sensor quickly.
Lab of Things (LoT) is a flexible platform for experimental research that uses connected devices in homes.
- LoT enables easy interconnection of devices and implementation of application scenarios, using HomeOS.
- LoT enables easy deployment and monitoring of field studies and analysis of data from experiments.
- LoT enables easy sharing of data, code, and participants, further lowering the barrier to evaluating ideas in a diverse set of homes.
Read more about it here.


text:
Refer to FIGURE 12.8-2 in the textbook for the two-wattmeter connection.
Write the formulae for the reading of the two wattmeters, and .
is the rms magnitude of the line-to-line voltage.
is the rms magnitude of the line current.
is the power factor angle, that is, the angle between the line voltage V and the current I.
Determine the power factor angle.
Determine the two wattmeter readings by substituting 24 A rms for , 450 V rms for and for .
Thus, the two wattmeter readings are and .
Determine the total power supplied to the load.
Thus, the total power supplied to the load is .


text:
Fayetteville Independent Light Infantry Company
The Fayetteville Independent Light Infantry Company (FILI) was formed on 23 Aug. 1793, when European countries were involved in a war growing out of the French Revolution. The reason for its organization may have been fear that the Spanish in Louisiana would incite the Indians to attack, but recent scholarship supports the view that alarm over slave rebellions in Haiti was more likely.
In 1825 the company attended the Marquis de Lafayette on his visit to Fayetteville (named in 1784 in honor of the French nobleman who fought with the American revolutionaries). Construction of the U.S. arsenal in Fayetteville in 1838 increased the importance of the company. When the Civil War began, the FILI joined the 1st North Carolina Volunteers, called the "Bethel" Regiment, as Company H. It was the first regiment organized in North Carolina and fought in the Battle of Bethel, the first engagement of the war. Some of its members were among the troops who surrendered at Appomattox.
Although the FILI achieved glory, its history was marked by controversy, such as when it refused to retire the gray uniform of the Confederacy, which prevented its acceptance into the State Guard. During the Spanish-American War, the FILI entered national service as Company A, 2nd Regiment, commanded by Capt. Benjamin R. Huske. Wearing their Confederate uniforms, the enlistees marched into Camp Dan Russell, where "they doffed the grays" and "donned the blues" of the United States. The company trained at Tybee Island, Ga., but did not sail to Cuba. The troops were mustered out at Macon, Ga., on 8 Feb. 1899. In 1917 the company went to Camp Stewart at El Paso, Tex., to help defend the border from raids by Mexican leader Francisco Villa.
During World War I the FILI served as Company F of the 119th Infantry Regiment, part of the Thirtieth Division, and fought in Flanders-its last military service. It has sometimes been confused with the Fayetteville Light Infantry Company, which also fought in a number of wars, including the Civil War.
After World War I, the FILI continued as a fraternal and social organization. It maintained an armory where Fort Bragg soldiers were often entertained, and it established a museum to house records and artifacts from antebellum days and from its World War I service. In the early 2000s the company functioned as a ceremonial unit with a color guard dressed in the uniform of the late antebellum period.
James C. MacRae, "The Fayetteville Independent Light Infantry Company," North Carolina Booklet (9 Apr. 1908).
Roy Parker Jr., Cumberland County: A Brief History (1990).
Joseph F. Steelman, North Carolina's Role in the Spanish-American War (1975).
North Carolina Digital Collections search results for Fayetteville Independent Light Infantry Company
(2nd) Lieutenant Charles B. Cook, Confederate, Fayetteville Independent Light Infantry, early Civil War era, in uniform showing fancy hat and sword. Image courtesy of the State Archives of North Carolina, call #: N_59_12_95.
1 January 2006 | Steelman, Lala Carr


text:
Food Quality Assurance Managers will oversee the quality and safety of a company's food products to ensure they meet standards set by both their company and regulatory authorities. They may be involved in developing and improving new policies and making sure they are adhered to.
A degree or HND in food science, food/chemical engineering, biochemistry, nutrition, microbiology or chemistry will normally be required. Entry without a degree may be possible with relevant experience.
- Excellent problem solving skills
- Confidence in your own abilities
- Good organisation and planning skills
- Good IT skills
- Excellent communication skills
- Able to present your ideas to others effectively
£22,000 to £30,000


text:
Date of upload:
Dean-Yi Chou(Physics Department, National Tsing Hua University, Hsinchu, Taiwan)
The solar acoustic waves are modified by the interaction with sunspots. The interaction can be treated as a scattering problem: an incident wave propagating toward a sunspot is scattered by the sunspot into different modes. The absorption cross section and scattering cross section are two important parameters in the scattering problem. In this study, we use the wavefunction of the scattered wave, measured with a deconvolution method, to compute the absorption cross section σab and the scattering cross section σsc for the radial order n = 0 − 5 for two sunspots, NOAAs 11084 and 11092. In the computation of the cross sections, the random noise and dissipation in the measured acoustic power are corrected. For both σab and σsc, the value of NOAA 11092 is greater than that of NOAA 11084, but their overall n dependences are similar: decreasing with n. The ratio of σabs of two sunspots is approximately equal to the ratio of sunspot radii for all ns, while the ratio of σscs of two sunspots is greater than the ratio of sunspot radii and increases with n. This suggests that σab is approximately proportional to the sunspot radius, while the change of σsc with radius is faster than the linear increase.


text:
Last October, a study in Pediatrics, "Water-Absorbing Balls: A "Growing"Problem," reported on a case in which an 8-month-old infant required surgery after swallowing a superabsorbent polymer ball - a rapidly expanding, water-absorbing ball (Water Balz) that can grow up to 400 times their original size. The study highlighted the dangers of this toy, which may appear 'candy-like to young children.' They found that the growing balls can easily grow larger than the small intestine in just six hours, blocking the intestine and quickly leading to a life-threatening medical emergency.
We soon became aware that in addition to Water Balz, these superabsorbent polymer balls could also be found in other toys (Spider Balls), gardening equipment (Crystal Soil Water Beads), and some crafting/household products (Water Pearls). Magic Growing Jelly Balls were even advertised as a 'great party favor.'
This week we have learned of some new recalls of toys that contain these same types of polymer balls, including:
- Monster Science Growing Spider toy sets with marble-sized polymer ball "spider eggs," which were sold at Cracker Barrel Old Country Stores, Spirit Halloween and Target.
- Cosmo Beads Jumbo Size Colorful Water Balls and Jumbo Multipurpose Colorful Water Balls
If you have these toys, take them away from your kids and contact the manufacturer for a refund.
Remember that kids can easily mistake these balls and beads for candy, and that according to the Consumer Product Safety Commission, "When the bead is ingested, it expands and can cause intestinal obstructions inside a child's body, resulting in severe discomfort, vomiting, dehydration and could be life threatening. The toys need surgery to be removed from the body."


text:
- UNDP and Algorand collaborate to launch Blockchain Academy for 22,000+ staff worldwide.
- Algorand's program aims to equip UNDP with practical blockchain skills for sustainable development.
- Partnership focuses on financial inclusion, supply chain transparency, and digital identity solutions.
The United Nations Development Programme (UNDP) and the Algorand Foundation are teaming up to launch a new Blockchain Academy. Their goal? To educate more than 22,000 UNDP team members from 170 countries, as well as other UN agency staff, about blockchain technology.
Set to kick off in 2024, the Algorand Blockchain Academy plans to give UNDP staff a solid grounding in blockchain through a specialized educational program. This will include things like recorded lessons, hands-on workshops, and practical projects designed to familiarize participants with how blockchain can be used for sustainable development.
Robert Pasicko, from the UNDP Istanbul Regional Hub, highlighted the importance of this training at the recent Algorand Impact Summit. He mentioned how it would equip their team with the necessary tools to tackle global challenges using blockchain. Pasicko also praised the collaboration with the Algorand Foundation and its experts, seeing it as a way to empower and inspire UN workers worldwide.
The program will cover a range of areas, from improving financial access and ensuring transparency in supply chains to tokenizing assets and creating secure digital identities. Doro Unger-Lee, Head of Education and Inclusion at the Algorand Foundation, was excited about the partnership, emphasizing its potential to drive innovation and tech advancements for societal benefit. Unger-Lee stated that this educational initiative was a crucial first step in identifying and implementing practical uses for blockchain, specifically to help achieve the Sustainable Development Goals in various fields.
What's interesting is that the curriculum will incorporate insights from important Algorand ecosystem projects like HesabPay, Wholechain, Koibanx, and Quantum Temple. The initial testing of the platform is scheduled to start early in 2024, gradually rolling out throughout the year.