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Iowa Public Television

  • Design Squad

Design Squad | Chain Reaction Machine | PBS

Duration: 02:37
Program: Design Squad
Broadcast Date: Jan. 9, 2014

How many steps does it take to power a fan? A whole lot, when you're using a Rube Goldberg machine! Watch Ethan and Kieran build one of these complicated inventions.



Post Date: January 9, 2014