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Nick Kapur on X: "Why the world's greatest mathematicians are hoarding a rare brand of Japanese blackboard chalk https://t.co/Un1EcWLtJ8 https://t.co/vFf4TLADTI" / X
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CNN on X: "Why are the world's best mathematicians are hoarding chalk? 🎧 LISTEN to this story on CNN's new podcast, Great Big Story: https://t.co/65gmSbNBDl READ: https://t.co/09e16lyW3D https://t.co/kZ154rMmVc" / X
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Mind-bending maths formula scribbled on hoarding in Boscombe is in fact total gibberish | Daily Mail Online
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Burger chalk drawing on an A-frame advertising hoarding outsde a fast food outlet Stock Photo - Alamy
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