When you visit a website that begins "https://", for example, you're asking your computer and the server that stores the website to, among other things, generate some random numbers, exchange them ...

A new random number generator that uses a micro laser developed by researchers at NTU Singapore is a hundred times faster than computer-based systems.

It’s quantum, it’s chaotic, it makes for a great source for a random number generator, and there are already dozens of prototype circuits around the Internet.