Water droplets in microgravity

The video below has made an impression around the web in recent days, and dovetails nicely with a unit I’m currently teaching on electrical charge.

The astronaut, Donald Pettit, who created this and many other demonstration videos for NASA – available on the ReelNASA channel – is presenting here a variation on an experiment that can be done on Earth with a knitting needle or comb and a stream of water from a tap.

Have a go at doing this at home. It really is quite amazing.


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