Wearable computers: The next generation -10

Second sight: The Tacit Project glove

A serial inventor, Steve Hoefer is working on helping the blind see with sound. His Tacit Project is a fingerless neoprene glove that uses sonar and haptics to help the wearer avoid physical obstacles. It can sense objects up to 10 feet away with an array of transceivers that measure the time gap between sending out ultrasonic pulses and receiving their reflection.
The 3 oz. glove translates the data into a virtual map of what lies ahead, applying gentle pressure on the wrist to alert the wearer that something's ahead. You can't buy it, but you can build one yourself for roughly $90 in parts.

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