Perfect randomness sounds simple, until you try to make it. A die can be polished, balanced and rolled thousands of times.

(Busà Photography/Moment/Getty Images) One of the hardest things to do in physics is to generate true, provably unpredictable ...

Randomness is incredibly useful. People often draw straws, throw dice or flip coins to make fair choices. Random numbers can enable auditors to make completely unbiased selections. Randomness is also ...