Archive: 15/07/2013

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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The zero gravity coffee cup

High above our planet in the realm of satellites and space stations, the familiar rules of Earth do not apply. The midday sky is as black as night. There is no up and no down. Dropped objects do not fall, and hot air does ...

dateJul 15, 2013 in Space Exploration
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Communications surveillance in Australia

Hot on the heels of data analyst whistleblower Edward Snowden's revelations about the existence of the PRISM electronic surveillance program operated by the United States' National Security Agency since 2007, we've heard ...

dateJul 15, 2013 in Internet
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