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The Smithsonian National Air and Space Museum’s STEM in 30 series of live, fast-paced, 30-minute webcasts are designed to increase interest and engagement in STEM for students. This episode, which originated on Dec. 17, 2015 from inside the Wright brothers’ bicycle shop at Greenfield Village in Dearborn, Michigan, looks at how time spent by the pair tinkering and building bicycles, combined with their fascination with solving the problem of human flight, led to the invention of the airplane.