Today, artist Alan Nolan is doing the robot... Now get some pens and paper and have a go yourself!

Tresset detailed two of his robots, Paul and e-David, in a paper published in 2014. Both of these robots use a camera to visualize their subject and a robotic arm to do the actual drawing.

Children already spend a lot of time looking at screens, so if they can be taught to draw using a physical pen and paper, so much the better. That's the thinking behind DrawBo, a wall-mounted ...