How to Win a Hot Wheels Derby on a Moving Treadmill

If the force on the left wheel is greater than the right, this will produce a net torque that will rotate the car to the right. However, for some turning cars this isn’t a problem. Let’s say a car turned to the left and is moving down the track in a...

How Many Homes Could You Power With Free Doughnuts?

Should you get a Covid-19 vaccine? Yes, it will protect you and others to help us move past this pandemic and get back to a more normal life. But wait! If you get vaccinated, you can also get a doughnut! At least, that’s the deal that Krispy Kreme is offering....

How Strong Is King Kong? And Could He Even Stand Up?

It’s time for Godzilla vs. Kong—a classic battle between two impossibly giant creatures. I’ve only seen the trailer, and it looks like a fun movie. But movies aren’t just for fun, they are also for physics. In particular, this is a great chance to...