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Wheel checks for drunk drivers
A $600 sensor can test a driver's skin and determine whether he's too inebriated to drive safely. Inventor Dennis Bellehumeur says the device can prevent a car from starting and, unlike the "breath alcohol ignition interlock" that's been on the market, doesn't rely on the driver voluntarily engaging the device.
** Toyota plans to sell service robots to do tasks like assisting in child care, looking after elderly people and serving tea to guests by '10. Toyota expects a declining birthrate and aging population to boost demand for the appliances.
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