Archive: 13/08/2014

Dolphins and whales experience pleasure

Sam Ridgway has spent most of his life learning about dolphins and whales. Over his five-decade career he has asked these cetaceans various questions, including how deep they can dive and how depth affects their hearing. ...

dateAug 13, 2014 in Plants & Animals
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Report: NSA eyed preset strikes in cyberattacks

The National Security Agency secretly planned a cyberwarfare program that could automatically fire back at cyberattacks from foreign countries without any human involvement, creating the risk of accidentally starting a war, ...

dateAug 13, 2014 in Security
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Towards more efficient solar cells

A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, the STW Technology ...

dateAug 13, 2014 in Nanophysics
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