If you have a good sense of balance, you can ride a unicycle or get on TV doing tricks with ladders. We don’t know if [Hanna Yatco] has a good sense of balance or not, but we do know her Arduino does.

Imagine trying to balance a heavy metal ball bearing on a cafeteria tray. It’s not the easiest thing in the world! In fact, it’s perhaps a task better automated, as [skulkami3000] demonstrates with ...

Forget your Newton's Cradle or that squeezy stress toy; this might just be the best executive desk toy so far. The handiwork of 0zimbra0, this simple square of wood is – thanks to a couple of servos, ...