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Dr. Raja Sengupta of Cal has come up with a novel imminent-collision-awareness idea. First, we kill all the lawyers. Then we equip each car with GPS and a Wi-Fi transmitter. Then, cars talk to each other and decide where they are in relation to each other. It's an interesting idea, and GM's throwing some money at it, but cripes if it doesn't sound like it could totally be used for evil. We're not sure on this one.

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Wireless on the Road to Safety [Berkeley Engineering]

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