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Wednesday 16 April 2014

The Science Behind Making the Fastest Possible Pinewood Derby Car


You wouldn't think that a four-wheeled car would go faster if one of its wheels didn't touch the ground. Or if its axles were bent. Or if it was designed to grind against a wall. But you'd be wrong, and here's the science to prove it.


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via Gizmodo http://ift.tt/1ipPlZ8

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