In this video, we break down how GPS determines your position using satellite timing, atomic clocks, and distance calculations. We also explore the real world sources of error, from atmospheric ...

Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

In this video, we break down the physics behind a tipping or sliding block! Learn how to calculate torque and friction to determine the exact moment when a block will tip or slide. Whether you're ...

Every year, Santa Claus races around the globe in a matter of hours to bring presents to children all over the world.

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...