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It's easier to visualize if you think of it with only two metronomes. When the metronome pendulum swings one way, it causes the base to move slightly in the opposite direction. This then transfers that motion over to the other metronome base, which transfers that little bit of momentum to its pendulum. This repeated manner in which one metronome affects the other will eventually cause the two pendulums (penduli?) To synchronise. Works with clocks as well.
It's easier to visualize if you think of it with only two metronomes. When the metronome pendulum swings one way, it causes the base to move slightly in the opposite direction. This then transfers that motion over to the other metronome base, which transfers that little bit of momentum to its pendulum. This repeated manner in which one metronome affects the other will eventually cause the two pendulums (penduli?) To synchronise. Works with clocks as well.
Which is why counter-rotating tassels are so interesting... really...
Those tassels are like 3D, I never see them for some reason. I think it's because of the distractions around them... really.
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