If you’re like me, you looked at this picture and the name “Three-Pendulum Rotary Harmonograph” and felt confused and a little bit threatened. But fear not! Turns out it’s one of those fun ...
Because a pendulum's oscillation frequency depends on its length, not its mass, you can use different colored bowling balls for a pretty effect. By Francie Diep Published Sep 8, 2014 7:20 PM EDT Get ...
How to Make Amazing Pendulum Waves - Wow! Amazing Wave Effect diy ...
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