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An invisible airbag for cyclists' head, shaped as a collar worn around the neck has won one of the world's largest monetary prize for design.

http://www.telegraph.co.uk/news/worldnews/europe/8738888/An-invisible-cy...

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Simon_MacMichael [2443 posts] 4 years ago
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Well spotted, we featured this last year:

http://road.cc/25931