Fractal Ink Jets That Power Spiral Motion

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Putting ballpoint pen ink on the tip of a leaf then putting it on water (or milk if you want it to stand out) causes the leave to whizz around leaving trail of ink behind.

Here’s the video I did with Matt using oleic acid to calculate pi:
https://youtu.be/lmgCgzjlWO4

Here’s my spinning glue video:
https://youtu.be/38XWz1IL6j8

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