News tagged with current
Engineers build first sub-10-nm carbon nanotube transistor
(PhysOrg.com) -- Engineers have built the first carbon nanotube (CNT) transistor with a channel length below 10 nm, a size that is considered a requirement for computing technology in the next decade. Not ...
Feb 01, 2012 |
4.9 / 5 (36) |
32
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Carbon nanotubes: The weird world of 'remote Joule heating'
(Phys.org) -- A team of University of Maryland scientists have discovered that when electric current is run through carbon nanotubes, objects nearby heat up while the nanotubes themselves stay cool, like a ...
Apr 10, 2012 |
4.4 / 5 (38) |
14
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Do bacteria age? Biologists discover the answer follows simple economics
When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...
Oct 27, 2011 |
4.9 / 5 (30) |
15
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Wireless power could revolutionize highway transportation, researchers say
A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The ...
Technology / Energy & Green Tech
Feb 01, 2012 |
4.3 / 5 (27) |
66
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Mysterious 'monster' discovered by amateur paleontologist
(Phys.org) -- Around 450 million years ago, shallow seas covered the Cincinnati region and harbored one very large and now very mysterious organism. Despite its size, no one has ever found a fossil of this ...
Other Sciences / Archaeology & Fossils
Apr 24, 2012 |
4.6 / 5 (25) |
10
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Navy to begin tests on electromagnetic railgun prototype launcher
The Office of Naval Research (ONR)'s Electromagnetic (EM) Railgun program will take an important step forward in the coming weeks when the first industry railgun prototype launcher is tested at a facility ...
Feb 06, 2012 |
4.6 / 5 (24) |
94
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Political views are reflected in brain structure
We all know that people at opposite ends of the political spectrum often really can't see eye to eye. Now, a new report published online on April 7th in Current Biology reveals that those differences in political orientation are ti ...
Medicine & Health / Psychology & Psychiatry
Apr 07, 2011 |
4.7 / 5 (22) |
116
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World record: The strongest magnetic fields created
On June 22, 2011, the Helmholtz-Zentrum Dresden-Rossendorf set a new world record for magnetic fields with 91.4 teslas. To reach this record, Sergei Zherlitsyn and his colleagues at the High Magnetic Field Laboratory Dresden ...
Jun 28, 2011 |
4.8 / 5 (20) |
26
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With a bang, Navy begins tests on electromagnetic railgun prototype launcher
Engineers have fired the Navy's first industry-built electromagnetic railgun (EM Railgun) prototype launcher at a test facility, commencing an evaluation that is an important intermediate step toward a future ...
Feb 28, 2012 |
4.5 / 5 (20) |
14
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Could a computer one day rewire itself? New nanomaterial ‘steers’ current in multiple dimensions
Scientists at Northwestern University have developed a new nanomaterial that can "steer" electrical currents. The development could lead to a computer that can simply reconfigure its internal wiring and become an entirely ...
Nanotechnology / Nanomaterials
Oct 16, 2011 |
5 / 5 (16) |
17
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Research reveals vital insight into spintronics
(PhysOrg.com) -- Progress in electronics has relied heavily on reducing the size of the transistor to create small, powerful computers. Now spintronics, hailed as the successor to the transistor, looks set ...
Jul 03, 2011 |
4.7 / 5 (15) |
4
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Unique salt allows energy production to move inland
Production of energy from the difference between salt water and fresh water is most convenient near the oceans, but now, using an ammonium bicarbonate salt solution, Penn State researchers can combine bacterial ...
Technology / Energy & Green Tech
Mar 01, 2012 |
4.5 / 5 (15) |
2
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Study reveals why our ancestors switched to bipedal power
(PhysOrg.com) -- Our earliest ancestors may have started walking on two limbs instead of four in a bid to monopolise resources and to carry as much food as possible in one go, researchers have found.
Mar 20, 2012 |
4.5 / 5 (15) |
12
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Sawfishes sure can wield a saw (w/ video)
Sawfishes wouldn't be sawfishes if they didn't come equipped with long toothy snouts—their saws. Now, researchers reporting in the March 6 issue of Current Biology, have figured out what they use those saws for, and it ...
Mar 05, 2012 |
4.5 / 5 (15) |
9
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Two stopped light pulses interact with each other
(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...
May 08, 2012 |
4.1 / 5 (16) |
8
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Current
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