News tagged with current
Physicists Measure Elusive 'Persistent Current' That Flows Forever
Oct 08, 2009 |
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(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 ...
Physicist develops battery using new source of energy
Mar 11, 2009 |
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Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...
New Breakthrough in Global Warming Plant Production
Mar 30, 2009 |
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Researchers at the universities of Leicester and Oxford have made a discovery about plant growth which could potentially have an enormous impact on crop production as global warming increases.
A New Path of Conduction for Future Electronics
Jul 22, 2009 |
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(PhysOrg.com) -- Last month, researchers from SLAC National Accelerator Laboratory made headlines when they revealed experimental evidence of a topological insulator: a material that could revolutionize computer ...
Carbon nanotubes could make efficient solar cells
Nanotechnology / Nanomaterials
Sep 10, 2009 |
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(PhysOrg.com) -- Cornell researchers fabricated, tested and measured a simple solar cell called a photodiode, formed from an individual carbon nanotube.
Searching for a single-electron source of standard quantized current
Aug 14, 2008 |
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(PhysOrg.com) -- “More than fifteen years ago, efforts were made to come to some kind of practical and standard realization of single-electron sources of quantized current. However, it was too difficult to combine the wanted ...
Ames lab physicist develops 'electrifying' theory on superconducting fault-current limiters
Aug 16, 2008 |
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(PhysOrg.com) -- John R. Clem, a physicist at the U.S. Department of Energy's Ames Laboratory, has developed a theory that will help build future superconducting alternating-current fault-current limiters ...
Bigger not necessarily better, when it comes to brains
Nov 17, 2009 |
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(PhysOrg.com) -- Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists at Queen Mary, University of London.
Aesop's fable 'the crow and the pitcher' more fact than fiction (w/ Video)
Aug 06, 2009 |
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In Aesop's fable 'The crow and the pitcher' a thirsty crow uses stones to raise the level of water in a pitcher to quench its thirst. A new study published online today (06 August) in the journal Current Bi ...
The psychology of deja vu
Medicine & Health / Psychology & Psychiatry
Nov 18, 2008 |
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All of us have experienced being in a new place and feeling certain that we have been there before. This mysterious feeling, commonly known as déjà vu, occurs when we feel that a new situation is familiar, even if there is ...
Disappearing act of world's second largest fish explained
May 07, 2009 |
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Researchers have discovered where basking sharks - the world's second largest fish - hide out for half of every year, according to a report published today in Current Biology. The discovery revises scient ...
Scientists Find First Creature With Eyes That Use Both Refractive and Reflective Optics
Jan 27, 2009 |
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Florida Atlantic University researcher and member of the Center for Ocean Exploration and Deep-Sea Research at Harbor Branch Oceanographic Institute, Dr. Tamara Frank, was part of an international research ...
Brain represents tools as temporary body parts, study confirms
Jun 22, 2009 |
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Researchers have what they say is the first direct proof of a very old idea: that when we use a tool—even for just a few minutes—it changes the way our brain represents the size of our body. In other words, ...
Graphene Shows High Current Capacity and Thermal Conductivity
Nanotechnology / Nanomaterials
Jul 29, 2009 |
4.9 / 5 (13) |
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(PhysOrg.com) -- Recent research into the properties of graphene nanoribbons provides two new reasons for using the material as interconnects in future computer chips. In widths as narrow as 16 nanometers, ...
Why the thumb of the right hand is on the left hand side
May 22, 2009 |
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It is the concentration of a few signaling molecules that determines the fate of individual cells during the early development of organisms. In the renowned journal Current Biology, a team of molecular biologists led by Pia ...
