There’s serious science behind the satisfying spectacle.
, the pair report in the June. That includes both the friction between colliding dominoes, and between the dominoes and the surface they sit on.
The computer simulations revealed the conditions needed for a speedy collapse. Toppling cascaded quickest for closely spaced dominoes thatLess friction between dominoes — as occurs for tiles with more slippery surfaces — means less energy is lost. And more friction between the dominoes and the surface they stand on, such as rough felt, means that the tiles don’t slide too far backward as they fall. Such backsliding would otherwise slow the cascade.
In some simulations, the chain reaction stopped short. For instance, dominoes spaced far apart on a slippery surface backslid so much they avoided hitting each other. Based on the simulations, the two domino dynamos came up with an equation that predicts the speed of collapse and showed that the predictions matched results of previous experiments. Turns out, there’s serious science behind the satisfying spectacle.
France Dernières Nouvelles, France Actualités
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