Now you can explain why the sky is blue and the sunset is red.
Polarized light reveals stress patterns in clear plastic
A thin layer of air trapped between two pieces of Plexiglas䋢 produces rainbow-colored interference patterns.
Some lightbulbs appear to wiggle and flash when you give them the raspberry, but the only thing wiggling is you.
Soap bubbles float on a cushion of carbon dioxide gas.
Create giant bubbles.
Your brain combines information from your eyes in surprising ways.
Find the center of gravity of almost any object just by using your fingers.
Get a shock from a pie pan and some socks.
Make a friend disappear, leaving only a smile behind.
You can make a magnetic field that's stronger than the earth's!
Two parallel, current-carrying wires exert forces on each other.
"Cold" metal and "warm" wood may be the same temperature.
See how many colors you can make with only red, green, and blue bulbs.
The world's simplest Cartesian diver.
Make your own heat waves in an aquarium.