Why the World’s Best Mathematicians Are Hoarding Japanese Chalk

Here’s the lat­est from Great Big Sto­ry: “Once upon a time, not long ago, the math world fell in love … with a chalk. But not just any chalk! This was Hagoro­mo: a Japan­ese brand so smooth, so per­fect that some won­dered if it was made from the tears of angels. Pen­cils down, please, as we tell the tale of a writ­ing imple­ment so irre­place­able, pro­fes­sors stock­piled it.”

Head over to Ama­zon and try to buy it, and all you get is: “Cur­rent­ly unavail­able. We don’t know when or if this item will be back in stock.” Indeed, they’ve stock­piled it all.

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Relat­ed Con­tent:

Stephen Hawking’s Lec­tures on Black Holes Now Ful­ly Ani­mat­ed with Chalk­board Illus­tra­tions

The Map of Math­e­mat­ics: Ani­ma­tion Shows How All the Dif­fer­ent Fields in Math Fit Togeth­er

Free Online Math Cours­es