Lamar performed on a stage designed to represent each button on a PlayStation controller.

Tic-tac-toe (or “Noughts and Crosses”) is a game ... on which the robot and the human can draw their O’s and X’s. The mechanical structure of the robot looks a bit like a tiny human ...

[Nicholas Carlini] programmed a C implementation of two-player Tic Tac Toe, and he did it in a single call to printf(). The arguments for that single function call get mind-bendingly complex ...

Once dry, use your paint pens to make x’s in one color on half the blocks ... Tip: You can also use the little tray to store ...