The Banach–Tarski Paradox
Vsauce · 6 HN recommendations
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Vsauce's roughly 24 minute explainer on the Banach-Tarski paradox, building from infinity and set theory to the decomposition of a sphere into pieces that form two spheres.
Why HN recommends it: Recommended as an accurate, entertaining on-ramp to set theory and infinity, worth pausing and rewatching.
“This vsauce video is actually a really accurate (and entertaining!) introduction to set theory” Read on HN ↗