![Incunabula on X: ""Hagoromo Fulltouch Chalk was at the very pinnacle of the chalk world. According to Conrad, its semi-mythical status, which prompted it to be hoarded by mathematicians before the company Incunabula on X: ""Hagoromo Fulltouch Chalk was at the very pinnacle of the chalk world. According to Conrad, its semi-mythical status, which prompted it to be hoarded by mathematicians before the company](https://pbs.twimg.com/media/Ez8slvfXMAcw1H5.jpg)
Incunabula on X: ""Hagoromo Fulltouch Chalk was at the very pinnacle of the chalk world. According to Conrad, its semi-mythical status, which prompted it to be hoarded by mathematicians before the company
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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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Mind-bending maths formula scribbled on hoarding in Boscombe is in fact total gibberish | Daily Mail Online
![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 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](https://pbs.twimg.com/media/D6oMjSBWwAAFsuo.jpg)
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
![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 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](https://pbs.twimg.com/media/EgC2vRiXgAAQb_w.jpg)
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
![Why the World's Best Mathematicians Are Hoarding Chalk « Adafruit Industries – Makers, hackers, artists, designers and engineers! Why the World's Best Mathematicians Are Hoarding Chalk « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2019/05/why-the-worlds-best-mathematicia.jpg)