UNCRACKABLE? The Collatz Conjecture

Alex Bellos discusses how the Incans used knots in string (Quipu) to record numbers.Check out Brilliant (get 20% off their premium service): https://brillian...

Professor David Eisenbud on the infamous Collatz Conjecture, a simple problem that mathematicians may not be "ready" to crack.

Catch David on the Numberphile podcast: https://youtu.be/9y1BGvnTyQA

Extra footage from this interview: https://youtu.be/O2_h3z1YgEU

Prof Eisenbud's 17-gon: https://youtu.be/87uo2TPrsl8