Kranium is a bike helmet that is made from the same cardboard used for the boxes you find at the supermarket. This material, along with some clever construction, turns out to be a lot better at absorbing impact than the more usual polystyrene-filled lids.
Anirudha Surabhi’s design absorbs four times more impact energy that the polystyrene [...]
Source: http://feedproxy.google.com/~r/GearFactor/~3/IElGAima6DE/
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