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The Simplest Math Problem No One Can Solve - Collatz Conjecture

A 22-minute video by Veritasium about computing mechanisms and mathematical reasoning, on the Mathematics shelf. It came up in r/math, in a thread called “Absolute gorgeous mathematics channel like 3blue1brown”.

Veritasium, Video, 22 min, 2021, on the Mathematics shelf

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.