We know what will happen when one pendulum swings. But two? 'Oxford Mathematicians and their Toys', episode three, starring Jon Chapman (and the pendulums).
This is the shortened version (YouTube shorts only allow 59 seconds). If you want to watch a longer version (82 seconds) which has a great ending, then click on any of the social media icons at the bottom of this page where you will also find Ian Griffiths and Dominic Vella playing.
The longer version of 'pendulums' has had over eight million views across our social media.
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