That’s Why World’s Best Mathematicians are Hoarding Chalk

Hoarding Chalk

Once upon a time, the math world fell in love with the humble chalk. But not just any chalk! This was Hagoromo: a Japanese brand so smooth, so precise that some thought if it was made from the tears of angels.

Pencils down, please, as Great Big Story tell the tale of a writing implement so irreplaceable, professors stockpiled it.

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