How to Float a Ping Pong Ball on Air - the Coandă Effect

Learners, in groups, use given materials to devise a way to deposit a ping-pong ball into a paper cup that is located in the middle of a 6-foot diameter circle, while standing outside the circle.

The first golf balls were made of wood and would only last for a few games. Modern golf balls last a lot longer but they don't float. The presentation provides the directions for a lab to determine the minimum amount of salt needed to...

A blow dryer and ping pong balls are all you need to demonstrate the amazing properties of air flow. In this demonstration, Spangler has a little boy as his assistant. Together, they make ping pong balls, a beach ball, and a roll of...

We upgrade our ping pong ball launcher (created in an earlier video) to make it safer, more accurate and more reliable. Includes ongoing explanation of the design and re-design processes and the rationale behind each change made.

This woodworking project shows you how to build an adjustable projectile launcher intended to launch ping pong balls. [10:27]

An activity where students demonstrate elastic potential energy and gravitational potential energy by looking at the travel height of a ping pong when dropped vs a ping pong dropped with a "dropper popper".

This project shows you how to build a ping pong and test an adjustable ping pong ball launcher. [10:26]

Check out this ping pong ball explosion demonstration which happens as a result of liquid nitrogen expanding quickly. [4:14]

This brief video highlights the projectile (ping pong ball) launcher. [1:40]

Click on the images to observe what happens as a result of electrostatic forces. Each image presents a brief video and explanation of what is occurring.