News tagged with classical
Entanglement without Classical Correlations
Aug 27, 2008 |
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Quantum mechanics is full of counterintuitive concepts. The idea of entanglement – when two or more particles instantaneously exhibit dependent characteristics when measured, no matter how far apart they are – is one of them. ...
Quantum Theory May Explain Wishful Thinking
Medicine & Health / Psychology & Psychiatry
Apr 14, 2009 |
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(PhysOrg.com) -- Humans don’t always make the most rational decisions. As studies have shown, even when logic and reasoning point in one direction, sometimes we chose the opposite route, motivated by personal ...
It's Easier to Observe the Failure of Local Realism than Previously Thought
Mar 04, 2009 |
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(PhysOrg.com) -- Local realism is something we live with every day, even if we don’t realize it. The principle of local realism combines two assumptions: locality and realism. Locality says that distant objects cannot directly ...
Quantum computing may actually be useful, after all
Oct 09, 2009 |
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(PhysOrg.com) -- In recent years, quantum computers have lost some of their luster. In the 1990s, it seemed that they might be able to solve a class of difficult but common problems — the so-called NP-complete ...
Solving big problems with new quantum algorithm
Nov 09, 2009 |
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(PhysOrg.com) -- In a recently published paper, Aram Harrow at the University of Bristol and colleagues from MIT in the United States have discovered a quantum algorithm that solves large problems much faster ...
Scientists discover quantum fingerprints of chaos
Oct 07, 2009 |
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Chaotic behavior is the rule, not the exception, in the world we experience through our senses, the world governed by the laws of classical physics.
Physicists make discovery in quantum mechanics
Sep 23, 2009 |
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(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.
Researcher Investigates the Basis of Einstein's First Approximation in the Theory of Relativity
Jul 15, 2009 |
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(PhysOrg.com) -- In his discussion of accelerated motion on page 60 of The Meaning of Relativity, Albert Einstein made an approximation that allowed him to develop the theory of relativity further. Einstein apparently never ...
Physicists working up from atoms to Schrodinger's cat
Jan 28, 2009 |
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(PhysOrg.com) -- Schrodinger's cat, a macroscopic object that is both alive and dead at the same time, illustrates the strangeness of quantum mechanics. While such quantum properties have been widely observed for electrons ...
Quantum measurements: Common sense is not enough
Jul 22, 2009 |
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(PhysOrg.com) -- In comparison to classical physics, quantum physics predicts that the properties of a quantum mechanical system depend on the measurement context, i.e. whether or not other system measurements ...
Wood density explains sound quality of great master violins
Jul 02, 2008 |
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The advantage of using medical equipment to study classical musical instruments has been proven by a Dutch researcher from the Leiden University Medical Center (LUMC). In collaboration with a renowned luthier, Dr. Berend ...
Evidence of macroscopic quantum tunneling detected in nanowires
May 27, 2009 |
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A team of researchers at the University of Illinois has demonstrated that, counter to classical Newtonian mechanics, an entire collection of superconducting electrons in an ultrathin superconducting wire is ...
Ion trap quantum computing
May 12, 2009 |
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(PhysOrg.com) -- “Right now, classical computers are faster than quantum computers,” René Stock tells PhysOrg.com. “The goal of quantum computing is to eventually speed up the time scale of solving certain important proble ...
UCSB physicists move one step closer to quantum computing
Nov 20, 2009 |
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Physicists at UC Santa Barbara have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. The work is published ...
Musical robots perform duets (w/ Video)
Nov 26, 2009 |
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(PhysOrg.com) -- A flute playing robot unveiled by Waseda University last year has been joined by a robot saxophonist in a Classical music duet. The aim of the project was to design robots that could respond ...
