If some of your ping pong balls are dented or crushed, don't worry — they're still usable. To restore their shape, immerse the balls in a pot of hot water or pour boiling water over them.
The Idaho man who holds the most concurrent Guinness World Records titles added another record to his name by using his mouth ...
[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 ...