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- 10/10/23 06:10
The best of the rest from the Physics arXiv this week
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The best of the rest from the Physics arXiv this week
FRIDAY 22. OCTOBER 2010
The best of the bunch (so far) for the 2010 American Physical Society's Gallery of Fluid Motion Each year, the Fluid Dynamics division of the American Physical Society holds a conference. This year,...
THURSDAY 21. OCTOBER 2010
The amazing properties of graphene now include the ability to create mass, according to a new prediction The nature of mass is one of the great enduring puzzles of science. What is mass and where does it come from are questions that have puzzled scientists and philosophers for centuries....
WEDNESDAY 20. OCTOBER 2010
A new telescope will use the world's largest digital camera to capture 20 terabytes of image data every day....
How fast should a wet dog rotate it's body to dry its fur? It's a question that many dog owners will have spent sleepless nights pondering. How rapidly should a wet dog oscillate its body to dry its fur?...
TUESDAY 19. OCTOBER 2010
Is to possible to surf the shockwave generated by an object travelling at supersonic speed? You bet Shock waves aren't your ordinary kind of sound wave. They occur in air when the speed of the gas changes by more than the speed of sound, usually when being pushed by a solid body. When that happens, sound waves cannot escape and so form a region of high pressure called the shock front....
MONDAY 18. OCTOBER 2010
An analysis of almost 10 million tweets from 2008 shows how they can be used to predict stock market movements up to 6 days in advance There's no shortage of people who say they know how to predict whether the stock market will go up or down on a particular day. But there are few, if any, who can do it consistently better than tossing a coin....
Publishers are about to grant Google monopolistic pricing power and permanent exclusivity over countless "orphaned" works....
SATURDAY 16. OCTOBER 2010
The best of the rest from the Physics arXiv this week
FRIDAY 15. OCTOBER 2010
Fluid dynamicists have developed a technique for creating flat, unsupported sheets of soap film Put your finger through a thin soap film and it'll pop out of existence in the blink of an eye. Physicists have recorded exactly how this behaviour occurs using high-speed cameras to see how the soap film retracts when it is punctured....
A prototype device provides access to full-service optometry in your pocket....
A new algorithm for detecting social networks handles dolphins, karate students, and Chinese computer scientists with equal aplomb....
Will automatic filters help people deal with information overload? A stockbroker today has access to better up-to-the-minute information about businesses than ever before, but there's far too much of it. Finding a key piece of information at the right moment could be the ticket to huge returns, but it's hard for any Web user to know what to focus on....
THURSDAY 14. OCTOBER 2010
And, in case you're wondering, the answer is 6.02214084(18) × 10^23 How many atoms are there in a kilogram of silicon? This number is Avogadro's constant and working out its value is one of the more important tasks that materials scientists face....
With so much money at stake, a growing array of services profit by helping developers get their apps to the top of the charts....
WEDNESDAY 13. OCTOBER 2010
Some of our galaxy's spiral arms are straight rather than curved, giving the Milky Way a distinctly square look, say astronomers...
A free text editor and a backup tool is all we need to query our 140 character ouvre. Your Twitter stream (and, soon, your...
TUESDAY 12. OCTOBER 2010
Making computers faster means relying less on the central processing unit (CPU) less than ever before....
Scientist have long believed that it is possible to create a white hole in your kitchen sink. Now they've proved it experimentally...
MONDAY 11. OCTOBER 2010
What do you get if you cross the Physics arXiv with the social networking site Digg.com? Over the weekend, I received this email from...
SATURDAY 9. OCTOBER 2010
The best of the rest from the Physics arXiv this week:
FRIDAY 8. OCTOBER 2010
Noninvasive communication between brains and computers just came a step closer....
Computer scientists predict that a new generation of malware will mine social networks for people's private patterns of behaviour It's not hard top find frightening examples of malware which steals personal information, sometimes for the purpose of making it public and at other times for profit. Details such as names, addresses and emails are hugely valuable for companies wanting to...
The rocket-propelled vehicle would explore planets more efficiently than wheeled rovers....
In the near future, all citizens will wear a centrally-controlled, super iPhone that tracks your movements and can scan everyone around you to divulge their net worth, their shopping history and their dating potential. The so-called äppärät is an invention of Gary Shteyngart, author of the satiric novel “Super Sad True Love Story.” Is there an äppärät in your future? To find out more we...