Is pure water colorless?

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.

Get outside and discover the diversity of insect life in your neighborhood.

Investigate how to balance weights on a balance board.

Discover the meaning of evolutionary fitness in this predator/prey simulation.

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

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

Polarized light reveals stress patterns in clear plastic.