What happens when colored beams of light mix? You might be surprised.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!