A couple of years ago, architecture and design firm Carlo Ratti Associati (CRA) showcased a system in which spray-paint-wielding drones were used to draw images on walls. It was very clever, but ...

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 challenging project, and arguably ...

Draw on paper with a pen or paintbrush, or hook it up to a Raspberry Pi and start experimenting. Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying ...

“I love the challenge of drawing on unconventional objects,” says artist Timothy Goodman, who drew on a Roborock Qrevo Pro. Timothy Goodman is a very busy man. When he’s not designing the covers of ...