Uniformly-spaced magnets sticking together.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/magnets_sticking_red_green.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...433#post173610
https://www.homemadetools.net/forum/...371#post161819
https://www.homemadetools.net/forum/...590#post166851
https://www.homemadetools.net/forum/...410#post122179
https://www.homemadetools.net/forum/...197#post134712
