When mathematics lecturer Christine Taylor asked her Math 51 students in class whether they prefer she write on chalkboards or project her lecture notes, the students were in lockstep: chalkboards are ...
Mathematicians continue to calculate, solve, and create on chalkboards, even in the digital age. A photographer captures samples of their work. Ideas explored on chalkboards—and erased and explored ...
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 ...