Centripetal and centrifugal forces are central to circular motion, but they're not the same. Discover the differences between ...

DIY Science Time 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 ...

This series of short explainer films with Professor Brian Cox comprises six clips focused on forces, speed and motion. Each ...

For years, a fringe theory challenging Isaac Newton’s Laws of Motion, known as Quantized Inertia (QI), has been used in an attempt to create a propellant-less engine. Now, the idea will get its ...

From Newton’s falling apple to Einstein’s curved spacetime, our understanding of gravity has come a long way, yet this ...