News tagged with randomness

Reliable communication, unreliable networks

Now that the Internet's basic protocols are more than 30 years old, network scientists are increasingly turning their attention to ad hoc networks—communications networks set up, on the fly, by wireless devices—where ...

dateAug 05, 2013 in Computer Sciences
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Hubble finds telltale fireball after gamma ray burst

(Phys.org) —NASA's Hubble Space Telescope has provided the strongest evidence yet that short-duration gamma-ray bursts are triggered by the merger of two small, super-dense stellar objects, such as a pair of neutron stars ...

dateAug 03, 2013 in Astronomy
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Taking the 'random' out of a random laser

(Phys.org) —Random Lasers are tiny structures emitting light irregularly into different directions. Scientists at the Vienna University of Technology have now shown that these exotic light sources can be accurately controlled.

dateJul 15, 2013 in Optics & Photonics
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Long distance calls by sugar molecules

All our cells wear a coat of sugar molecules, so-called glycans. ETH Zurich and Empa researchers have now discovered that glycans rearrange water molecules over long distances. This may have an effect on how cells sense each ...

dateJun 18, 2013 in Biochemistry
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