The Physics of Plastic Sheets … and Their Invisible Force Fields?
Can fast-moving plastic sheets create an invisible wall? Maybe, maybe not. But you can definitely explore the electric effects of plastic on your own.
Calculating the Power Usage of LED vs. Incandescent Christmas Lights
Let's calculate how much energy your LEDs suck up relative to old-school incandescents.
Build a Thermoelectric Generator, Like the Ones That Power Deep Space Missions
Thermoelectric generators with no moving parts are small and reliable—which makes them perfect for spacecraft like Voyager and Cassini.
How to Run Up a Wall—With Physics!
This crazy parkour move, where a guy bounds up between two walls by jumping from one to the other, is based on the momentum principle and friction.
The Physics of Projectile Motion With a Clicky Pen
The spring inside a clicky pen is a perfect way to learn about projectile motion.
The Physics of the Invisible Box Challenge
There’s no fooling gravity—but this trick makes it look like you can.
Eagles vs. Seahawks: Why Russell Wilson’s Forward Pass Looks Backward
Frame-by-frame video analysis shows an illegal forward pass—but in the reference frame of the QB, it's backward.
The Science of Sensory Deprivation Tanks in *Stranger Things*
In normal water, a human just barely floats. But the *Stranger Things* kids know a workaround.
What Is Angular Momentum, Anyway?
You can use angular momentum to describe everything from fidget spinners to back flips to interstellar asteroids. Let's see how it works.
The Physics Behind the Strange Interstellar Asteroid ‘Oumuamua
We're not saying this interstellar object is a spaceship. But it sure would make for some cool physics.