1:07:02Stanford Lecture: Don Knuth—"A Conjecture That Had To Be True" (2017)
Stanford Online
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Math explainers and recreation: 3Blue1Brown, Numberphile, Mathologer, puzzles, fractals, surreal numbers, math history, mathematicians, beautiful proofs, math in everyday life.
1:07:02Stanford Online
1 HN recommender
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1:03:07London Mathematical Society
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