News tagged with persistent current
Physicists Measure Elusive 'Persistent Current' That Flows Forever
(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...
Oct 08, 2009 |
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Study of 'Persistent Currents' Finally Verifies Theory
(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding ...
Apr 28, 2009 |
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Search results for persistent current
Volcanic super-eruptions may have surprisingly short fuses
Enormous volcanic eruptions with potential to end civilizations may have surprisingly short fuses, researchers have discovered.
Space & Earth / Earth Sciences
May 30, 2012 |
4.9 / 5 (9) |
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Nowhere to hide: New device sees bacteria behind the eardrum
Doctors can now get a peek behind the eardrum to better diagnose and treat chronic ear infections, thanks to a new medical imaging device invented by University of Illinois researchers. The device could usher ...
May 29, 2012 |
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Sequence it ... and they will come
Rapid DNA sequencing may soon become a routine part of each individual’s medical record, providing enormous information previously sequestered in the human genome’s 3 billion nucleotide bases. This ...
Nanotechnology / Bio & Medicine
May 22, 2012 |
4 / 5 (7) |
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MAJORANA, the search for the most elusive neutrino of all
(Phys.org) -- In a cavern almost a mile underground in the Black Hills, an experiment called the MAJORANA DEMONSTRATOR, 40 kilograms of pure germanium crystals enclosed in deep-freeze cryostat modules, will ...
May 17, 2012 |
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Pollination with precision: How flowers do it
Pollination could be a chaotic disaster. With hundreds of pollen grains growing long tubes to ovules to deliver their sperm to female gametes, how can a flower ensure that exactly two fertile sperm reach every ...
May 17, 2012 |
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Hackers booby-trap foreign policy group websites
Internet security researchers warned that foreign policy and human rights websites are being booby-trapped by hackers in what appears to be cyber espionage.
May 16, 2012 |
3.3 / 5 (3) |
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OMG! Texting ups truthfulness, new study suggests
Text messaging is a surprisingly good way to get candid responses to sensitive questions, according to a new study to be presented this week at the annual meeting of the American Association for Public Opinion Research.
Other Sciences / Social Sciences
May 16, 2012 |
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A push from the Mississippi kept Deepwater Horizon oil slick off shore, research shows
When the Deepwater Horizon drilling rig exploded April 20, 2010, residents feared that their Gulf of Mexico shores would be inundated with oil. And while many wetland habitats and wildlife were oiled during the three-month ...
May 10, 2012 |
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There's not always safety in numbers when it comes to extinction risk
A basic tenet underpinning scientists' understanding of extinction is that more abundant species persist longer than their less abundant counterparts, but a new University of Georgia study reveals a much more complex relationship.
Other Sciences / Archaeology & Fossils
May 08, 2012 |
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European mountain plant population shows delayed response to climate change
A modeling study from the European Alps suggests that population declines to be observed during the upcoming decades will probably underestimate the long-term effects of recent climate warming on mountain plants. A European ...
May 07, 2012 |
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List of search results for persistent current
