A laser-driven device can read an object’s reflected light to decipher its substance.
At 26, Alberto Contador has two more Tour de France wins than Armstrong did at that age, as well as victories in cycling's other “grand tours” – something the Texan never accomplished.
Product researchers find little difference between a $10 and a $140 HDMI cable.
Column: Don’t assume the digital TV transition will improve reception.
A device that lets you TiVo life, a clairvoyant watch, and the mood synthesizer.