This is a super-accurate clock That uses ping-pong balls as diffusers for LEDs ... separating them by color. I’ll reuse all of the green LEDs, the transistors, pin headers, some resistors ...

The diameter of ping pong balls is a mismatch for the spacing of LEDs on a strip. The solution? A bit of force. The technique we want to highlight is not the fact that he used table tennis balls ...

The Supreme Court has upheld an order directing Trump officials to “facilitate” the return of the Maryland man mistakenly ...

An curved arrow pointing right. The ITTF (International Table Tennis Federation) has released a video showing the manufacturing of ping pong balls and it's incredibly satisfying to watch.