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See-through-wall surveillance with WiFi shown at UCL

(Phys.org) -- A surveillance device that uses WiFi radio waves has been devised to see through walls to detect, in military and surveillance parlance, moving personnel targets. The device serves as a radar prototype designed ...

Ambient light powered LCD released by Samsung

(PhysOrg.com) -- Most of us are familiar with LCD technology. You probably have an LCD monitor in front of you right now. There may be an LCD TV sitting in your living room, or bedroom, at this very second. You know that ...

Super-thin flexible OLED from Sony

(PhysOrg.com) -- Sony is showing off prototypes incorporating its super-thin, flexible OLED technology at the CREATEC JAPAN 2009 IT and electronics trade show in Makuhari Messe (Chiba) in Japan.

First all-carbon solar cell

(Phys.org)—Stanford University scientists have built the first solar cell made entirely of carbon, a promising alternative to the expensive materials used in photovoltaic devices today.

'Sleep talking' PCs save energy and money

Personal computers may soon save large amounts of energy by "sleep talking." Computer scientists at UC San Diego and Microsoft Research have created a plug-and-play hardware prototype for personal computers that induces a ...

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