Articles by

Rhett Allain

The Physics of Scuba Diving

Another unit is the bar, where 1 bar is equal to 14.5 psi. The value of 1...

The Problem With Spinning Spacecraft

While it would be awesome for people to be able to live in space, a "weightless" environment...

Could Namor’s Ankle Wings From 'Black Panther 2' Really Work?

But you don't have to be a superhero to experience this kind of flight. If you have...

The Physics of Smashing a Spacecraft Into an Asteroid

There are a couple of things to notice. First, after the collision DART is moving backwards, because...

How Far Would You Have to Tunnel Underground to Lose 20 Pounds?

Now, what if I move outside this sphere? It turns out that the gravitational field due to...

The Physics of Going Fast—but Not Too Fast—on a Giant Slide

Really, the only difference is that this is a downward-curving path with the center of this circular...

Could Climate Change Alter the Length of the Day?

Let's consider an example with an imaginary planet. In this solar system, the planet completes one orbit...

How Many Peanut Butter Sandwiches Does It Take to Fuel a Hulk?

Superheroes do superhero things: They jump, punch stuff, run fast, and sometimes shoot beams out of their...