A Room That Knows You

You think your new car is festooned with information-seeking sensors? Imagine this: sensor modules, each the size of a speck of dust, that are networked together wirelessly to relay information. In this array, the tiny Smart Dust devices can sense your presence when you enter your office, for example, and will adjust the light, heat, and other comforts to your preferences. Kris Pister, founder and CTO of Dust Networks, has already shown working sensors in an academic lab