Category: Physics


Cooling by laser beam

A laser pulse that for a few picoseconds – i.e. one millionth of one millionth of a second- transforms a material into a high-temperature superconductor. Different experiments have unveiled this interesting phenomenon, with potential...

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Milky Way disc is larger than we thought

  Spiral galaxies such as the Milky Way have discs which are really thin, in which the major fraction of their stars are found. These discs are limited in size, so that beyond certain...

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NASA measures rainfall from space

  For close to two weeks the combination of a nearly stationary front and tropical moisture caused almost continuous precipitation over much of the Mid-Atlantic. Using data from a constellation of satellites, NASA calculated...

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