MIT Media Lab researcher Pranav Sistry operates his laptop by using the tabletop as his mouse. He is developing an alternative to the computer mouse that uses a laser to read people's gestures. He says the system can cost less than $10 and be integrated into laptop computers.
October 15, 2010 10:34 AM PDT
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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