ピタゴラ装置 ルーブ・ゴールドバーグ・マシン ヒス・ロビンソン・ディバイス
Rube Goldberg machine, also known as Heath Robinson device or Pythagora machine, is an overly complex machine made of various objects, usually operated with single metal ball.

h4. See also
* [[engineering nonsense]]
* [[Pythagora-Switch]]

h4. External links

* "Wikipedia: Rube Goldberg machine":[https://en.wikipedia.org/wiki/Rube_Goldberg_machine]
rube goldberg machine