LuminAR
Natan Linder, a researcher at MIT's Media Lab, asked a question most of us have never thought to ask: what if the lamp on your desktop could be transformed into a computer display? Instead of screwing a lightbulb into a spring-armed desk lamp, Linder designed a device that combines a camera, digital projector, and wireless node. LuminAR (the AR stands for "augmented reality") works on the same 110 volts that would have powered the lightbulb. The result is one of the coolest demos I've seen in a long time: a personal projector that can turn any flat surface into a rough approximation of an iPad.
