GRAND RAPIDS — A floating ping-pong ball… How can we make a little ball float without even touching it? This month's experiment will teach us about some of the forces acting against it. Let’s get ...

Set the hair dryer on the cool and high setting. Turn it on and point it upward. Carefully put the ping-pong ball in the stream of air. That step may take a little practice, but don't give up! Hold ...

Ball State dean: Caitlin Clark ...

The researchers co-led by Nanyang Technological University, Singapore were able to get a ping pong ball floating in a water tank to spin about its centre and move along a fixed circular path by using ...