I doubt you could solve a basic Harvard problem that my students struggle with." Kline handed Musk a whiteboard marker with a smirk, saying, "Let's see if you can handle this in under 10 minutes.

April 4, 2025 3 min read Mathematicians Solve Decades-Old Spinning Needle Puzzle ...

The field’s founder left a list of 43 problems for others to study, iterate on, and prove. One mathematician has helped to prove both one of these and another problem just this year.

From classrooms to kitchen tables, debates about math education are never far away. Should teachers drill multiplication ...

A cable of 80 meters is hanging from the top of two poles that are both 50 meters off the ground. What is the distance ...

I doubt you could solve a basic Harvard problem that my students struggle with." Kline handed Musk a whiteboard marker with a smirk, saying, "Let's see if you can handle this in under 10 minutes.