Articles by

Rhett Allain

Can’t Wrap Your Head Around Pi? Here’s a Cool Visual to Help

Happy Pi Day! We celebrate pi on March 14 because 3-14 gives the first three digits of...

Is It Electric or Magnetic? Depends on Where You Stand

If you took introductory physics, you learned about the “fundamental forces.” It goes something like this: All...

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...