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        Scientist Profile: Nanocar Engineer

        Jason Guerrero engineers the smallest cars in the world: nanocars! The nanocars he makes are so small, about 20,000 of them could be parked side-by-side across the diameter of a single hair! Getting these cars to work well is a challenge. But it also gives us more information about the nanoworld. Thanks to Jason's research, some day nanosized vehicles might be used to transport molecules, making it easier to build things at the nanoscale.

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

        http://pbskids.org/dragonflytv/

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