Great Big Story on MSN

The cult chalk that became a legend in the world of mathematics

Hagoromo chalk earned cult status among mathematicians for its unmatched feel, clarity, and role in elevating blackboard ...
The Independent

Hagoromo chalk: Why the demise of a Japanese company is a blow to mathematics

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...
CNN

How a brand of chalk achieved cult status among mathematicians

Editor’s Note: Learn more about the legendary Hagoromo chalk on the latest episode of Great Big Story, a new podcast from CNN about the surprising stories all around us. Some call it the Rolls Royce ...
Macleans.ca

Chalk and awe: Why professors are going wild over a cult chalk

Mathematicians are paying big bucks to stockpile the Hagoromo chalk from Japan, which some have called ’the nectar of the gods’ In Greece, there’s been a rush on the banks. In mathematical circles, ...
GIGAZINE

What is the Japanese chalk that even told mathematicians that it is impossible to make a calculation error with this chalk?

Hagoromo Bungu, which produced 'Hagoromo Chalk,' which was used by educators, announced that it would be closed in October 2014 and ended sales of Hagoromo Chalk at the end of March 2015. The ...