[Jacob] has put a slightly new twist on the levitating ball trick with his ping-pong ball levitation machine. We’ve all seen magnetic levitation systems before. Here on Hackaday, [Caleb] built ...

It's St Patrick's Day and that means people will be drinking plenty of Guinness but if you're treating yourself to a stout out the can then you might wonder what's at the bottom of it ...

Team matches consist of four singles matches and one doubles match, each played over the best of five games In determining the server for points, after the initial serve is determined by a coin toss .