Our Newest Labs, Activities & CoolStuff
DIY: Baby Plasma Cutter
Pencil lead and some batteries make a small plasma cutter that is used to etch a pattern in aluminum foil.
In this simple but cool demo, you are able to observe how a high velocity ionized gas (plasma) conducts electricity across a small gap between the tip of the pencil lead (graphite) and a conductive solid [...]
Newton's Eye Poke Experiment [W/Video]Anna Spitz explains the physics of the eye, and proves how we actually do see an upside down world.
Fun and engaging activities using the Energy Stick [W/Video]
Welcome to our March 2015 Issue of our CoolStuff Newsletter. This month, we are featuring a simple, safe and Cool device called an Energy Stick. Physics teacher James Lincoln demonstrates several experiments that help students understand the principles of electric current and light. James has authored many of our past CoolStuff Newsletters, and teachers have [...]
The Blue-Violet Laser
The wavelength you've been missing!
Take a look at the new blue-violet Laser, which produces wavelengths at 405 nm. Sure, it is a different color and that is always cool, but why use this over any other Laser?