The physics of a pendulum wave
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The dance comprises a 60-second cycle, with the longest pendulum completing 51 oscillations and each shorter pendulum having one additional oscillation than the previous.
Consequently, the 15th pendulum, the shortest, completes 65 oscillations. Although the pendulums initially fall out of sync due to their varied oscillation periods, after 60 seconds, they harmoniously return to their starting positions, prepared to repeat the synchronized dance.
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Source: Instagram@sciencesetfree