News tagged with bell
Fake violations of Bell tests reinforce importance of closing loopholes
(PhysOrg.com) -- In quantum mechanics, Bell’s inequalities serve as a test of nonclassical behavior: if something (such as a light source) violates Bell’s inequalities, then it can be considered to involve quantum ...
Nov 08, 2011 |
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Physicists Explain How Human Eyes Can Detect Quantum Effects
(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...
Sep 29, 2009 |
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Physicists close two loopholes while violating local realism
(PhysOrg.com) -- The latest test in quantum mechanics provides even stronger support than before for the view that nature violates local realism and is thus in contradiction with a classical worldview. By ...
Nov 30, 2010 |
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Quantum guessing game reveals insight into stronger-than-quantum correlations
(PhysOrg.com) -- In information processing, physicists are often in search of ways to turn classical strategies into quantum ones, with the implication that the quantum version is somehow stronger, faster, or more secure ...
Jun 22, 2010 |
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Getting to know the strong force, one of the four fundamental forces of the universe
(PhysOrg.com) -- In new work, high-energy physicists have observed two long-sought quantum states in the bottomonium family of sub-atomic particles. The result will help researchers better understand one of ...
Mar 31, 2011 |
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Physicists make discovery in quantum mechanics
(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.
Sep 23, 2009 |
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Bell Labs breaks optical transmission record, 100 Petabit per second kilometer barrier
Alcatel-Lucent today announced that scientists in Bell Labs, the company’s research arm, have set a new optical transmission record of more than 100 Petabits per second.kilometer (equivalent to 100 million Gigabits per second.kilometer). ...
Sep 29, 2009 |
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'Spooky action at distance' in particle physics?
Researchers have devised a proposal for the first conclusive experimental test of a phenomenon known as ‘Bell’s nonlocality.’ This test is designed to reveal correlations that are stronger than any classical ...
Jan 16, 2012 |
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Random, but not by chance: A quantum random-number generator for encryption, security
Researchers have devised a new kind of random number generator, for encrypted communications and other uses, that is cryptographically secure, inherently private and - most importantly - certified random by ...
Apr 14, 2010 |
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Belle discovers new heavy 'exotic hadrons'
(PhysOrg.com) -- Two unexpected new hadrons containing bottom quarks have been discovered by the Belle Experiment using the High Energy Accelerator Research Organization (KEK)'s B Factory (KEKB), a highly-luminous, ...
Jan 10, 2012 |
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Team uses high-tech optical technique to pull sound from 125 year old recordings
(PhysOrg.com) -- Scientists from Lawrence Berkeley National Laboratory have succeeded in using 3D optical scanning technology to effectively lift the voices from 125 year old recordings created by researchers ...
Dec 28, 2011 |
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The diving bell and the water spider: How spiders breathe under water
Water spiders spend their entire lives under water, only venturing to the surface to replenish their diving bell air supply. Yet no one knew how long the spiders could remain submerged until Roger Seymour ...
Jun 09, 2011 |
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Debunking and closing quantum entanglement 'loopholes'
(PhysOrg.com) -- An international team of physicists, including a scientist based at The University of Queensland, has recently closed an additional 'loophole' in a test explaining one of science's strangest phenomena -- ...
Nov 15, 2010 |
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Physicists develop first conclusive test to better understand high-energy particles correlations
Researchers have devised a proposal for the first conclusive experimental test of a phenomenon known as "Bell’s nonlocality." This test is designed to reveal correlations that are stronger than any classical correlations, ...
Mar 26, 2012 |
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Firm unveils X-rated robot (Update)
Roxxxy the sex robot had a coming out party Saturday in Sin City.
Jan 09, 2010 |
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