Tic-tac-toe (or “Noughts and Crosses”) is a game simple enough to implement in any computer system: indeed it’s often used in beginner’s programming courses. A more challeng… ...

Tic-tac-toe doesn’t have much of a rep. Sure, it’s a simple, brief distraction from the monotony of existence, but once your 8-year-old self realizes that you can always force a draw, it loses ...

A simple computer made of DNA strands in test tubes can now play a complete game of tic-tac-toe--and will beat or draw you every time. The result demonstrates a new level of complexity in DNA ...