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.

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 ...

Randomness is essential to some research, but it’s always been prohibitively complicated to achieve. Now, we can use “pseudorandomness” instead. Nothing is certain in the quantum realm. A particle, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

At JPMorgan Chase headquarters, a quiet quantum coup: the bank just beat Big Tech to a breakthrough in certified randomness—marking a rare win for Wall Street in the race to make quantum computing ...