Electronic computing speeds are brushing up against limits imposed by the laws of physics. Photonic computing, where photons replace comparatively slow electrons in representing information, could surpass those limitations, ...
Optics & Photonics
Mar 27, 2013
1
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(Phys.org)—Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough and researchers ...
Space Exploration
Jan 30, 2013
14
0
(Phys.org)—Stanford researchers in physics and engineering have demonstrated a device that produces a synthetic magnetism to exert virtual force on photons similar to the effect of magnets on electrons. The advance could ...
Optics & Photonics
Oct 31, 2012
9
0
(Phys.org)—According to Einstein, whenever massive objects interact, they produce gravitational waves—distortions in the very fabric of space and time—that ripple outward across the universe at the speed of light. While ...
Astronomy
Sep 27, 2012
15
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(Phys.org) -- Data from NASA's Voyager 1 spacecraft indicate that the venerable deep-space explorer has encountered a region in space where the intensity of charged particles from beyond our solar system has markedly increased. ...
Space Exploration
Jun 15, 2012
121
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(PhysOrg.com) -- A simple atomic nucleus could reveal properties associated with the mysterious phenomenon known as time reversal and lead to an explanation for one of the greatest mysteries of physics: the imbalance of matter ...
General Physics
Oct 11, 2011
128
2
(PhysOrg.com) -- According to the cosmological principle, there is no special place or direction in the universe when viewed on the cosmic scale. The assumption enabled Copernicus to propose that Earth was not the center ...
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(PhysOrg.com) -- A violation of one of the oldest empirical laws of physics has been observed by scientists at the University of Bristol. Their experiments on purple bronze, a metal with unique one-dimensional electronic ...
General Physics
Jul 20, 2011
21
0
Future computers may rely on magnetic microprocessors that consume the least amount of energy allowed by the laws of physics, according to an analysis by University of California, Berkeley, electrical engineers.
General Physics
Jul 1, 2011
6
0
The ants may go marching one by one, but they end up forming a superstructure of thousands -- and together they can form a raft that stretches the boundaries of the laws of physics, according to new research released today. ...
General Physics
Apr 25, 2011
20
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