"Where would the scale tip? On the left is a steel ball, on the right a ping-pong ball," Reddit user Veiy wrote, posing the conundrum. "I think the scale would raise to the right since the [buoyancy] ...

Image 3 - Water tank experiment with hexagonal structure Image 4 - How water swirls in complex patterns produced from waves Image 5 - Water tank experiment with ring structure and ping pong ball ...

Enter the “Pongsat” program – space experiments within a ping pong ball. Created by JP Aerospace, this free program allows anyone to create their own mini experiment and send it off to the ...

There is one size restriction for the program. Each experiment must fit inside of a ping pong ball. But you’ll be surprised what can be accomplished. [John] reports that the most simple ...

An curved arrow pointing right. NASA's Scott Kelly turned a ball of water and two hydrophobic paddles into an out of this world game of ping pong on the International Space Station. Story by Tony ...