Uploaded May 2024 | Updated September 2026, 2 weeks ago

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Featuring Ben Sparks. See brilliant.org/numberphile for Brilliant and 20% off their premium service & 30-day trial (episode sponsor). More links & stuff in full description below ↓↓↓

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Thanks to Katie Steckles and Lisa Mather for building the (semi) sealed martini glass.

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