Articles by

Rhett Allain

Could a Cockroach Survive a Fall From Space?

I saw this post on Reddit: Would a cockroach survive a fall from the stratosphere? Oh, what...

How to Measure the Calories in a Candy Bar—With Physics!

This Halloween, when you grab a candy bar, pay attention to the wrapper. In the United States,...

The Physics of Faraday Cages

The world relies on electromagnetic waves for communications: Wi-Fi, Bluetooth, 5G, even radio waves. But suppose you...

Which Spider-Man Is Stronger: Tobey Maguire or Tom Holland?

Although Spider-Man started as a comic book character, he has made his way to live-action video several...

Can You Really Pump Water Without Any Electricity?

I'm surprised at the number of YouTube and TikTok videos showing novel ways to pump water, but...

Pi Is Hiding Everywhere

When someone wishes you a "Happy Pi Day," you probably immediately think of circles—and not only pies....

The Secret to Bruce Lee’s Superhuman One-Inch Punch

No one wants to deal with that many interactions. Instead, in physics we treat the ball as...

What Would Earth’s Temperature Be Like Without an Atmosphere?

OK, a couple of quick points. This is just the surface temperature of the Earth. Since the...