A tiny train rolls around and around to re-stack the dominoes just seconds after they fall.
, which would fall in sequence before motorized mechanisms whirred to life and re-stacked all of them in a reverse order. It took about seven seconds for the cycle to complete, which seemed fast at the time.by Lego, took an entirely different approach. Instead of just 10 Lego dominoes falling in a straight line, Allemann’s machine has 64 falling in a perpetual ring, and instead of them being free-standing , those 64 Lego dominoes operate on hinges that help keep them in place at all times.
To ensure the train doesn’t outpace the work of gravity, a Lego Mindstorms EV3 unit and a sensor help control its speed so that it always matches the speed of the falling dominoes on the other side. It is both pointlessly complex and fascinatingly clever.The sensor also allows the Mindstorms EV3 unit to keep track of how fast the dominoes are falling.
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