Domino Chain Reaction

A domino can knock over another domino about 1.5x larger than itself. A chain of dominos of increasing size makes a kind of mechanical chain reaction that starts with a tiny push and knocks down an impressively large domino.

Original idea by Lorne Whitehead, American Journal of Physics, Vol. 51, page 182 (1983).

See and
for sophisticated discussions of the physics.

As seen on QI in the “kinetic” episode. I was contacted by those Elves.


41 thoughts on “Domino Chain Reaction

  1. It would not be nearly as tall as the empire state building, bull shit i seen a video similar with gigantic dominoes doing the same thing, there was a total of 16 dominoes and the starting domino was bigger than the 13th domino in the video

  2. Danke für diese Präsentation ! Sie demonstriert sehr eindrücklich, dass jede einzelne Person die Power hat, die Welt zu ändern ! … Stück für Stück !

  3. If you space the domino's too far apart they have no power at all. This is like life and goals.. maybe many people have just set their domino's too far apart, wrong sizes, or the first one is domino 29 too big to realize.

  4. That's incredible. Something so simple but you don't realize the latent power in this. I just received an e-mail from life coach guru Brian Johnson who mentioned this domino effect and he compares it to achieving your full potential in life by lining up your domino's correctly (goals) starting with smallest micro-goal. That's what brought me here!! Pretty powerful and inspiring stuff.

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