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Surveillance device uses Wi-Fi to see through walls

Prototype stealth device can detect movement behind a thick brick wall. U.K. military is looking into whether it can be used in "urban warfare" for scanning buildings.

By Aug. 20, 2012


NBA players to pimp their Priuses?

This is the NBA's first-ever Green Week, in which the vaunted league of loud noise, eco-unfriendly scoreboards, and huge SUVs attempts to reduce its carbon footprint.

By Apr. 4, 2009