Even the most sophisticated classical random number generators have minute biases that make their sequences predictable over ...

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

Random number generators have been around for ages, but they often have subtle imperfections that cause patterns to emerge.

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