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 ...

GRAND RAPIDS, Mich. — We are going to watch science make a ping pong ball float. How can we make this little ball float without even touching it? In this week's Weather Kids Experiment, we're learning ...

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 ...

Mechanically, the contraption is made of 30 air pumps hooked up to a power supply, and it relies on some basic principles of gravity and air pressure. Your physics teacher probably tried the same ...

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 ...