12-18-2012, 08:24 PM
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#14 (permalink)
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Master EcoModder
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Cardboard Bike Helmet Better than Plastic | Gadget Lab | Wired.com
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What about rains and sweat? No problem. Surabhi’s helmets mix the cardboard with a “waterproof acrylic compound” which makes them just as rain-resistant as the helmet you have now.
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