The flying machine book : build and launch 35 rockets, gliders, helicopters, boomerangs, and more
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The flying machine book : build and launch 35 rockets, gliders, helicopters, boomerangs, and more
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"Shows readers how to turn rubber bands, paper clips, straws, plastic bottles, and index cards into amazing, gravity-defying flyers. Each project contains a material list and detailed step-by-step instructions with photos. Mercer also includes explanations of the science behind each flyer, including concepts such as lift, thrust, and drag, the Bernoulli effect, and more"-- Provided by publisher.
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