News tagged with laws of physics
Photonics: Beam me up
'Tractor beams' of light that pull objects towards them are no longer science fiction. Haifeng Wang at the A*STAR Data Storage Institute and co-workers have now demonstrated how a tractor beam can in fact be realized on a ...
May 24, 2012 |
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Study finds single photons cannot exceed the speed of light
(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for ...
Jun 24, 2011 |
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Galaxy sized twist in time pulls violating particles back into line
(PhysOrg.com) -- University of Warwick physicist has produced a galaxy sized solution which explains one of the outstanding puzzles of particle physics, while leaving the door open to the related conundrum ...
Jul 14, 2011 |
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Physicist Proposes Solution to Arrow-of-Time Paradox
(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...
Aug 27, 2009 |
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New Law of Physics Could Explain Quantum Mysteries
(PhysOrg.com) -- Since the early days of quantum mechanics, scientists have been trying to understand the many strange implications of the theory: superpositions, wave-particle duality, and the observer’s ...
Aug 17, 2009 |
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Nature's laws may vary across the Universe
(PhysOrg.com) -- One of the laws of nature may vary across the Universe, according to a study published today in the journal Physical Review Letters.
Oct 31, 2011 |
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Time reversal: A simple particle could reveal new physics
(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 ...
Oct 11, 2011 |
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New evidence for a preferred direction in spacetime challenges the cosmological principle
(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 ...
Sep 07, 2011 |
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Bristol physicists break 150-year-old law
(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 ...
Jul 20, 2011 |
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Fire ants assemble as a 'super-organism' (w/ video)
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 ...
Apr 25, 2011 |
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Entangled Light in Bose-Einstein Condensates
(PhysOrg.com) -- When physicists entangle light, they usually use nonlinear crystals as the source. However, it’s difficult to control the entanglement generation process in a bulk crystal, and so scientists ...
Apr 08, 2009 |
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Internet Growth Follows Moore's Law Too
(PhysOrg.com) -- Originally, Moore’s Law described the number of transistors that can fit on an integrated circuit, which doubles approximately every 18 months. Now, a team of researchers from China has discovered ...
Jan 14, 2009 |
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From two-trillion-degree heat, researchers create new matter -- and new questions
(PhysOrg.com) -- A worldwide team of researchers have for the first time created a particle that is believed to have been in existence immediately after the creation of the universe - the so-called "Big Bang" ...
Mar 04, 2010 |
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Magnetic memory and logic could achieve ultimate energy efficiency
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.
Jul 01, 2011 |
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Friction research casts doubt on fundamental physics law
(PhysOrg.com) -- New research on frictional slipping has revealed that some of the basic assumptions of introductory physics do not hold at small scales. The findings may be useful in the study of earthquakes.
Oct 11, 2010 |
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