Severe storms dropped heavy hail on parts of north Texas on Saturday, March 8, weather officials said. Video from Chad Casey shows hail piling up around a gas station and on roads in the city of ...

[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 ...

The LEDs and ping pong balls were mounted on the electron gun from a broken oscilloscope, giving it a cool look. The balls are lit one at a time by an Arduino, which illuminates each one for 15 ...