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Less than P, Passat, a Volkswagen's driverless car, is on the way to Las Vegas.

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< p > this is a model diagram of Continental's head up display (HUD) to remind drivers of road conditions on windshield.

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< p > above is the Nissan Leaf of Nissan's driverless vehicle prototype. The company says Nissan Leaf will be mass-produced by 2020.

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The technology of < p > Google can display the real-time traffic condition, frame the vehicle in front of the car, and indicate the traffic light ahead.

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The P microcontroller Freescale is a tiny chip with a length and width of only 1.9 millimeters and 2 millimeters -- much smaller than the keys of a computer keyboard. (Freescale)

A microcontroller like this will bring computing technology to many devices using mechanical control or non intelligent electronic components.

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< p > Google's computer system can analyze signals from laser scanners to identify cars, trucks, pedestrians and other characteristic objects.

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