What Is the Electric Constant and Why Should You Care?
It’s fun to think about the fundamental physical constants. These are special values used...
Space Elevators Could Totally Work—if Earth Days Were Much Shorter
Suppose you could speed up Earth’s rotation so that a day was only half...
Is It Electric or Magnetic? Depends on Where You Stand
If you took introductory physics, you learned about the “fundamental forces.” It goes something...
Did a Rock Hit Your Windshield, or Did Your Windshield Hit a Rock?
Now the ball behaves more like you would expect. Its horizontal velocity decreases so...
5 Physics Equations Everyone Should Know
All the tech we rely on, from cars to smartphones, was engineered using physics....
Why Can’t You Switch Seats in an Empty Airplane?
It’s the last flight of the day and the plane is pretty empty. So...
How to Design a Real-Life Hot Wheels Loop
I get a minimum height of 2.5R. So if the loop is 4 meters...
The Physics Trick That Makes These New Super Cars So Insanely Fast
With the extra downward force, the only way for the forces to add up...
Unlock the Secret of a Gravity-Defying Parkour Stunt—With Physics!
We can break that diagonal motion down into horizontal and vertical portions; for now...
The Incredible Physics of Simone Biles’ Yurchenko Double Pike
A gymnast can actually perform both of these types of rotation at the same...
