An interactive way to observe pendulum polyrhythm and moments when their periods meet.

FFF LAB · EXPLORE · ACOUSTICS

Different pendulum periods create visible polyrhythm and eventually meet again in phase.

FFF LAB · EXPLORE · ACOUSTICS

Watch different periods drift apart and realign, then hear the same ratios as rhythm.

Pendulum Wave RHYTHM AND TIME

ready

Scale Major Root C Sound Bell Number of tones 12 Tempo 60 BPM Realignment in about 90,0 s.

What am I observing?

Each pendulum completes a slightly different number of cycles. Their phases separate and reunite, making the mathematical relationship visible and audible.