News tagged with quantum mechanics

Our ambiguous world of words

(Phys.org) —Ambiguity in language poses the greatest challenge when it comes to training a computer to understand the written word. Now, new research aims to help computers find meaning.

dateMay 31, 2013 in Computer Sciences
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Hydrogen atoms under the magnifying glass

To describe the microscopic properties of matter and its interaction with the external world, quantum mechanics uses wave functions, whose structure and time dependence is governed by the Schrödinger equation. ...

dateMay 22, 2013 in Quantum Physics
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Making quantum encryption practical

One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on ...

dateMay 21, 2013 in Quantum Physics
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Quantum optics with microwaves

(Phys.org) —Physicists at ETH Zurich have demonstrated one of the quintessential effects of quantum optics—known as the Hong-Ou-Mandel effect—with microwaves, whose frequency is 100'000 times lower ...

dateMay 08, 2013 in Quantum Physics
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'Spooky action at a distance' aboard the ISS

(Phys.org) —Albert Einstein famously described quantum entanglement as "spooky action at distance"; however, up until now experiments that examine this peculiar aspect of physics have been limited to relatively ...

dateApr 09, 2013 in Quantum Physics
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