This Teeny Sensor Fits In an Eyeball—and Is Solar-Powered and Wireless

A fascinating prototype of sensor the size of a cubic millimeter has been developed with a lot of brilliant technology inside—never mind that its specifically meant for glaucoma patients. The device takes measurements every 15 minutes and uploads the readings once a day by 400 and 900MHz frequencies. Because of the… » 4/28/11 1:30am 4/28/11 1:30am