Uploaded July 2019 | Updated September 2026, 3 weeks ago

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When you look through a straw in water something strange happens as you move it up and down.
You can learn more about CuriosityStream at curiositystream.com/physicsgirl

Thanks to William Osman!

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Creator/Host: Dianna Cowern
Editor: Levi Butner
Research & Writing: Dianna & Imogen Ashford

Sources:
Don Pettit footage: NASA