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We usually discuss science here and it can get a little heavy at times. So for a change, here is an application of technology for purposes of safety. No, this is not about driver less car that Google is making or some kind of hi-tech device that ensures safety in aeroplanes. This is for the safety of pedestrians at the riskiest place for them in the world, the traffic signals!
The video comes from Smart, a smart car maker, which is part of the Daimler AG in Germany.
