Articles by

Rhett Allain

Solar Sails and Comet Tails: How Sunlight Pushes Stuff Around

During the Age of Sail, ships circled the globe on voyages of discovery and trade. That era...

Unlock the Secret of a Gravity-Defying Parkour Stunt—With Physics!

This looks like something out of a video game, but it's for real. Some parkour masters can...

So You’re Underwater: Why Do You See That Circle of Light Above You?

Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most...

Does Jewelry and Big Hair Slow Down Olympic Runners?

To be an Olympic champion, athletes spend years perfecting every aspect of their performance. That same attention...

Tuariki Delamere’s Somersault Could Have Launched a New Era in the Olympic Long Jump

Catch it live: The Men's Long Jump Final at the Paris Olympics will be held on Tuesday,...

The Incredible Physics of Simone Biles’ Yurchenko Double Pike

Gymnastics is an extremely difficult sport, but some people make it look easy. Step forward Simone Biles, who hit...

No, You Can’t Have a Solar-Powered Passenger Plane

At a recent rally, Donald Trump stated that electric planes would be a bad idea because you...

How to Run on the Moon

In the future I'm sure there will be a city on the moon. We know how to...