A flash of light leaves a lingering image.

Investigate how to predict the color of an afterimage.

A cube made from drinking straws can confuse your brain.

Without depth perception, random lines can become a chair!

Learn how to fly with this neat mirror trick.

Find order in well-mixed chaos.

Make a home for a colorful community of microorganisms.

Suspend a ball in a stream of air.

Does it matter which end is up?

A rotating black-and-white disk produces the illusion of color.

Suspend an object in the air by blowing down on it.

A bicycle wheel acts like a giant gyroscope.