Why the World’s Best Mathematicians Are Hoarding Chalk

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. Got a story idea for us? Shoot us an email at pitch [at] GreatBigStory [dot] com 📧 Get exclusive GBS items from our online store 🛒 👉 SUBSCRIBE: NOTIFICATIONS: Make sure you enable the 🔔 to get notified about our latest video publishes. SUPPORT THE CHANNEL: Follow us on Instagram: Check us out on TikTok: @greatbigstory Follow us on Facebook: Give us a shout on Twitter: Sign up to our newsletter: #Chalk #Teacher #Mathmatics #GreatBigStory