(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 even without ...
General Physics
Oct 8, 2009
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(Phys.org)—Sightings of ball lightning have been made for centuries around the world – usually the size of a grapefruit and lasting up to twenty seconds – but no explanation of how it occurs has been universally accepted ...
General Physics
Oct 12, 2012
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3
A tabletop motor using an entirely new driving principle is under development at the headquarters of C-Motive Technologies, a startup business that is commercializing technology from the College of Engineering at UW-Madison.
Engineering
Sep 9, 2014
34
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(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy they produce, ...
Bone regeneration is a complex process, and existing methods to aid regeneration including transplants and growth factor transmissions face limitations such as the high cost. But recently, a piezoelectric material that can ...
Analytical Chemistry
Feb 1, 2024
0
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Flowers' methods of communicating are at least as sophisticated as any devised by an advertising agency, according to a new study, published today in Science Express by researchers from the University of Bristol. The research ...
Plants & Animals
Feb 21, 2013
20
2
Our world is ruled by four fundamental forces: the gravitational pull of massive objects, the electromagnetic interaction between electric charges, the strong nuclear interaction holding atomic nuclei together and the weak ...
Quantum Physics
Nov 19, 2015
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(PhysOrg.com) -- Bartosz Grzybowski, a physical chemist at Northwestern University, and his team of colleagues offer evidence in a paper published in Science, that shows that what scientists have believed to be true about ...
A pair of researchers, one with Notre Dame University-Louaize, the other the University of California, has developed a model that suggests some small spiders may become airborne due to electrostatic forces acting on multiple ...
Scientists at Aalto University and Utrecht University have created single atom contacts between gold and graphene nanoribbons.
Nanomaterials
Jun 13, 2013
2
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