The Physics of Fidget Spinners
Fidget spinners are everywhere. How long can you make one spin? That depends on the starting speed and the angular acceleration.
This Hilarious Video’s Fake. I Can Tell From the Physics
The Hilarious ‘Dog Pulling Grandma’ Video Is Fake. I Can Tell From the Physics
A video making the rounds online shows a strong dog giving an old lady a hard pull. Let's use video analysis to see if it's real.
In Which We Literally Calculate the Power of the Force
In Which We Literally Calculate the Power of the Force
Darth Vader uses the Force to move a rebel soldier. What kind of physics power output does this motion require?
How a Missing Penny Explains the Conservation of Energy
How a Missing Penny Explains the Conservation of Energy
How a Missing Penny Explains the Conservation of Energy
Energy is the answer to so many questions. But what is energy? That is the question.
Let’s Do the Shocking Physics of Why Power Lines Sag
Let’s Do the Shocking Physics of Why Power Lines Sag
When a cable is supported by the two ends, it will hang down a bit depending on the tension in the cable. How can you model this cable sag with a computer?