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 ...

This spring, an 80-year-old Japanese chalk company went out of business. Nobody, perhaps, was as sad to see the company go as mathematicians who had become obsessed with Hagoromo Fulltouch Chalk, the ...

When the 80-year-old Japanese company that produces Hagoromo Fulltouch chalk went out of business this past spring, mathematicians took to social media to pay their respects and their wallets to buy ...

POCHEON, Gyeonggi Province ― For many professors and teachers, especially teaching mathematics, there's a chalk brand which is at the top of the chalk world ― Hagoromo chalk. Though it is priced three ...

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 ...

The bright-white sticks drop one by one into the whir and clatter of a weatherworn piece of machinery, where they are stamped with the most celebrated name in chalk: Hagoromo. The early stages of the ...

As interactive whiteboards and iPads take over classrooms across the world, it is understandable that companies relying on a demand for blackboard chalk might struggle. What is perhaps less ...

The history and mystery of a cult favorite whose continued existence is an unlikely story that bridges two countries long at odds. Hagoromo chalk has become a cult favorite of elite academics and ...

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 ...