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This unique phenomenon can be easily reproduced in a pool on a sunny day.

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Many thanks to the Vlogbrothers for their sponsorship of this video!

Also thank you to Daniel Walsh for answering many fluid dynamics questions, to Jacob Schalch for filming the burning penny, and to Justin and Brendan for their donations to support Physics Girl!

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  • Physics Girl

    Physics Girl (or Dianna Cowern) is an educational YouTuber who started her YouTube channel as a...

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current20:19, June 11, 2016Thumbnail for version as of 20:19, June 11, 201604:03480 × 269 (18 KB)Drakenkaul (wall | contribs)created video


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