The first time I was allowed to travel beyond the Iron Curtain and visit the West was in 1980. I ventured from Hungary to New York for the International Toy Fair, where a puzzle I had invented was ...

I believe once you solve one side there is just a sequence that you can follow to solve the rest (maybe it has to be the top layer). I've done it a few times but never memorized the steps. Not at ALL.

After cracking the 'sum of cubes' puzzle for 42, mathematicians discover a new solution for 3. What do you do after solving the answer to life, the universe, and everything? If you're mathematicians ...