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おっとピタゴラ装置の元祖machineは米国にあった。 元はRUBE GOLDBERGという漫画家/彫刻家/作家の発想から。 毎年Rube Goldberg Machine Contestというmachineのコンテストもあって、 2005年の課題は 'The National Challenge for 2005 is: Remove both old batteries from a two-battery flashlight, install new batteries and turn the flashlight on in 20 or more steps.' だそう。