This video covers the process of running an Enigma machine. Be sure to read the README for instructions on how to operate it.

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't ...

By entering certain strings of numbers and symbols into your phone's dialer, you can gain access to a world of hidden ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

Imagine you're watching a movie, in which a character puts a chocolate bar in a box, closes the box and leaves the room. Another person, also in the room, moves the bar from a box to a desk drawer.

Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

Gilmour, Nick Mason and colleagues on assembling the unexpected 2014 album that paid tribute to Rick Wright, and his calming ...

The dark, cultist-infested camping grounds of 99 Nights in the Forest aren't so easy to survive as the days grow longer and supplies become scarce—plus that pesky deer is always hungry. If you're ...