'Invisible' Bike Helmet Protects Your Brain And Your Hairdo

'Invisible' Bike Helmet Protects Your Brain And Your Hairdo

Swedish inventors have created an "invisible" bike helmet that's stored in a pouch around the neck and inflates like an air bag in case of a crash.


User: NewsyVideos

Views: 4

Uploaded: 2013-11-18

Duration: 01:26

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