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Pi-oneers (interview with Sinha & Saha) - Numberphile
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The Opposite of Infinity - Numberphile
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An amazing thing about 276 - Numberphile
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Powell’s Pi Paradox: the genius 14th century Indian solution
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How Physicists Broke the Solar Efficiency Record
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The Case for String Theory - Sixty Symbols
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The Bingo Paradox: 3× more likely to win
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