(via Veritasium) The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve.

Here’s the world’s simplest math problem. My wife, Pat, and I often meet a pair of friends for a movie. If there’s a risk that the show will sell out, I run over to the theater ahead of time and buy ...

Here’s the world’s simplest math problem. My wife, Pat, and I often meet a pair of friends for a movie. If there’s a risk that the show will sell out, I run over to the theater ahead of time and buy ...