Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, National Institute of Standards and Technology (NIST) researchers tested 122 laser pointers and found that nearly ...
General Physics
Mar 20, 2013
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Every photon in a laser beam marches in lockstep, at an identical wavelength that depends on what the laser is used for – for example, infrared lasers that drive the optic fiber internet. For many applications, lasers need ...
General Physics
Dec 4, 2012
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(Phys.org)—This weekend the International Space Station will turn itself to position ESA's SOLAR instrument for a better view of the Sun. It will be the first time the Station has changed attitude for scientific reasons ...
Space Exploration
Nov 29, 2012
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(Phys.org)—Humanity has landed a rover on Mars. Now, say scientists, it's time to land a boat on Titan. This outlandish scenario could become reality, according to engineers presenting their proposals at the European Planetary ...
Space Exploration
Sep 28, 2012
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(Phys.org)—In the very early hours of Sept. 1 – just under two days since the 4:05 a.m. EDT launch of NASA's Radiation Belt Storm Probes – the team at the RBSP Mission Operations Center (MOC) controlling spacecraft ...
Space Exploration
Sep 13, 2012
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(Phys.org)—ESA's Gaia mission to survey a billion stars has passed a gruelling test to prove it can withstand the extreme temperatures it will experience in space when it is launched next year.
Space Exploration
Sep 12, 2012
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If the day seems a little longer than usual on Saturday, June 30, 2012, that's because it will be. An extra second, or "leap" second, will be added at midnight to account for the fact that it is taking Earth longer and longer ...
Space Exploration
Jun 29, 2012
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Time can take its toll on a dam. As dams age, they are more costly to repair and the risk of a catastrophic dam break increases--putting property and lives at risk. But, removing them can mean big changes to the community, ...
Environment
Nov 7, 2011
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Scientists from the Skoltech Space Center (SSC) have developed nanosatellite interaction algorithms for scientific measurements using a tetrahedral orbital formation of CubeSats that exchange data and apply interpolation ...
Space Exploration
Apr 13, 2021
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13
It is the most explosive Paris exhibition of the summer—Mount Vesuvius erupting several times a day in a new immersive 3D show which opens Wednesday in the Grand Palais.
Archaeology
Jul 1, 2020
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