Maybe largely off-topic but I still remember the fun I had actually building as a kid (after reading an article in Scientific American by Martin Gardner) the ME

Maybe largely off-topic but I still remember the fun I had actually building as a kid (after reading an article in Scientific American by Martin Gardner) the MENACE (Machine Educable Noughts And Crosses Engine): http://www.mscroggs.co.uk/blog/19 http://www.mscroggs.co.uk/blog/19 For the beads I used Smarties, so each time the machine lost I ate the "wrong colour one".