Search results for friction
A nanoclutch for nanobots
Chinese researchers have designed and tested simulations of a "nanoclutch," a speed regulation tool for nanomotors.
May 24, 2012 |
5 / 5 (2) |
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Ancient rocks provide critical clues about modern earthquakes
At first glance, there's nothing remarkable about the rocky Maine blueberry field in which University of Maine graduate student Nancy Price does her research. But those rocks are crucial to our understanding ...
Space & Earth / Earth Sciences
May 24, 2012 |
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Geology student drills into Tohoku quake source
(Phys.org) -- For the past eight weeks, geoscience graduate student Tamara Jeppson has traded her usual commute, from her Madison apartment to Weeks Hall on the University of Wisconsin-Madison campus, for ...
Space & Earth / Earth Sciences
May 23, 2012 |
4 / 5 (2) |
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Friction stir welding unites reliability, affordability
(Phys.org) -- NASA's next heavy-lift launch vehicle, the Space Launch System, is moving further in development faster thanks to proven advanced technologies like friction stir welding.
Space & Earth / Space Exploration
May 21, 2012 |
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French team demonstrates paramagnetic properties of liquid oxygen drops
(Phys.org) -- A team of French scientists studying the properties of Leidenfrost drops has found that liquid oxygen drops can be manipulated and controlled using a magnetic field at room temperature. They describe their work ...
May 21, 2012 |
5 / 5 (1) |
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Pair recreate 70's roulette-beating system
(Phys.org) -- A pair of university researchers has managed to duplicate the efforts of Doyne Farmer, who as a graduate student in the 1970’s devised a means for tilting the odds in favor of a gambler ...
Technology / Computer Sciences
May 14, 2012 |
3.2 / 5 (5) |
3
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DNA tug of war
A mathematical model created by Aalto University (Finland) researcher Timo Ikonen explains for the first time how the DNA chains in our genome are translocated through nanopores that are only a couple of nanometres thick.
May 11, 2012 |
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Digital 'wallets' proliferate at cellphone show
Cash, coins and credit cards are so Twentieth Century. At least, that's the opinion of the electronics manufacturers, phone companies, banks and credit card issuers that expect cellphones to be the main way consumers pay ...
May 10, 2012 |
2.3 / 5 (3) |
3
Simulated skiers reveal mountain traffic jams
Millions of skiers and snowboarders escape to the mountains every winter, but some everyday stresses -- like traffic jams -- are unavoidable even on the slopes. In plenty of time to prepare for next season, ...
May 09, 2012 |
5 / 5 (2) |
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Privacy law expert warns of the perils of social reading
The Internet and social media have opened up new vistas for people to share preferences in films, books and music. Services such as Spotify and the Washington Post Social Reader already integrate reading and ...
May 08, 2012 |
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2
Scientists watch black hole feast on unlucky star
Scientists have witnessed the rare spectacle of a supermassive black hole devouring a star that had ventured too close -- an event that occurs about once in 10,000 years, they reported on Wednesday.
May 02, 2012 |
4.8 / 5 (20) |
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Tackling contamination with minimal water and energy consumption
EU-funded researchers developed technology for a dry pre-cleaning as an alternative to the water- and energy-intensive decontamination process currently used by the medical and food industries.
Apr 30, 2012 |
5 / 5 (1) |
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Pacific islands may become refuge for corals in a warming climate, study finds
Scientists have predicted that ocean temperatures will rise in the equatorial Pacific by the end of the century, wreaking havoc on coral reef ecosystems. But a new study shows that climate change could cause ocean currents ...
Apr 29, 2012 |
3.7 / 5 (3) |
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New nano-measurements add spark to centuries-old theory of friction
The phenomenon of friction, when studied on a nanoscale, is more complex than previously thought. When friction occurs, an object does not simply slide its surface over that of another, it also makes a slight up-and-down ...
Mar 26, 2012 |
4.4 / 5 (8) |
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Mechanical engineers study snakes' sophisticated frictional properties to build more nimble rescue robots
Snakes! Love them or hate them, everyone can agree they are superb at sliding over complex terrain. Learning the slithery reptiles' tricks can provide valuable tips for designing rescue robots to help locate ...
Feb 29, 2012 |
4 / 5 (1) |
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