You can make fair dice from any shape you like

Gamers everywhere, rejoice: researchers have discovered that it is possible to transform any shape – from dragons to kittens – into a fair die, making it suitable for playing games that rely on random outcomes.

“We started from the idea of: ‘If you look at an object, can you tell its resting probabilities?’” says Keenan Crane at Carnegie Mellon University in Pittsburgh, Pennsylvania. In other words, if you roll a particular shape, what is the probability it lands in a particular orientation?