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        Scientist Profile: Bike Helmet Designer and Tester

        Mike Lowe and Brian Sidwell are two hard-headed engineers; they design and test bicycle helmets! At Bell Labs in Santa Cruz, California, Mike and Brian use everything from wind tunnels to anvils to crash test dummies to build the best helmet. They test how well their helmets survive a crash, if they stay put on a kid's head, and how they stand up to sun and snow.

        This video is available in both English and Spanish audio, along with corresponding closed captions.

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