Articles by

Rhett Allain

Did a Rock Hit Your Windshield, or Did Your Windshield Hit a Rock?

You’re driving along, minding your own business, and—TING! Something smacks your windshield. You didn't see it coming,...

5 Physics Equations Everyone Should Know

All the tech we rely on, from cars to smartphones, was engineered using physics. You don’t need...

Can You Get Rich Using a Raspberry Pi to Mine Cryptocurrency?

In olden times, people dug holes in the ground to look for gold. They called it mining....

How Does a Movie Projector Show the Color Black?

You can project all sorts of colors from a video projector, but can you project the color...

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 you’re thinking, maaaybe...

The Physics of the Macy’s Thanksgiving Day Parade Balloons

Have you ever seen a child with a balloon? It’s fun to watch. Kids pay attention to...

Why Is It So Tricky to Show the Sun, Earth, and Moon in a Diagram?

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives....

How to Design a Real-Life Hot Wheels Loop

Hot Wheels was one of those all-time classic toys. The original cars were tiny versions of real...