(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 ...
(Phys.org) —Advances in computer technology are opening up new possibilities for surveillance cameras and environmental video monitoring systems. Kevin Abas, a graduate student in computer engineering at UC Santa Cruz, ...
Engineering
May 20, 2014
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(AP) -- In a rare defeat for law enforcement, the Supreme Court unanimously agreed on Monday to bar police from installing GPS technology to track suspects without first getting a judge's approval. The justices made clear ...
Telecom
Jan 23, 2012
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The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.
Engineering
Dec 16, 2009
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