Numberphile | Mesolabe Compass and Square Roots - Numberphile @numberphile | Uploaded 4 years ago | Updated 2 hours ago
Johnny Ball on the "often missed" Hippocrates of Chios.
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More on Johnny Ball, including his books and live shows: johnnyball.co.uk

See Johnny discuss Russian multiplication: youtu.be/HJ_PP5rqLg0

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