SALT LAKE CITY — Let’s talk about Vortexes. A vortex is defined as “a mass of whirling fluid or air, especially a whirlpool or whirlwind.” If you what to harness an air vortex in a small way, Clark ...

When people are thinking of the future of space travel, an idea that floats around is a spaceship with a giant solar sail pushed along by a massive laser. Inspired by the concept but lacking a giant ...

Physics Girl is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...