Tuariki Delamere’s Somersault Could Have Launched a New Era in the Olympic Long Jump
However, since this force is applied at the feet, far from the center of mass (r > 0), it's going…
How to Run on the Moon
When the elevator is stopped, the two forces are equal and opposite, and the net force is zero. But if…
If Betelgeuse Explodes, Just How Bright Will It Get?
Theres a famous star that I'm sure you've seen in the sky. Its name is Betelgeuse, and you can find…
How to Convince Your Flat-Earth Friends the Earth Is Round
Illustration: Rhett AllainYou can see that we have a right triangle with the hypotenuse equal to the distance from the…
Why the Polar Vortex Is Bad for Balloon Artists
It's been crazy cold this week, even down where I live in Louisiana, thanks to an outbreak of a polar…
When You Drop a Rock Overboard, What Happens to the Water Level?
Physics questions are the most fun when people don't immediately agree on the answer. What feels intuitive or obvious—sometimes isn’t.…
