Pack enough string-like objects together, and they will begin to align with one another. But replace the strings with worms ...

Everyone loves perpetual motion machines. They are a representation of the highest level of creativity in finding loopholes in the laws of physics. Let's take a look at this one. What is a perpetual ...

Isaac Newton would never have discovered the laws of motion had he studied only cats. Suppose you hold a cat, stomach up, and drop it from a second-story window. If a cat is simply a mechanical system ...

Explore a collection of fascinating science experiments that reveal the hidden world of magnetism and slow-motion physics.

How do skateboarders seemingly defy gravity? How do gymnasts flip in the air? They have skill — and, as a Times interactive explored, an understanding of the laws of motion, physics and energy. By ...

Isaac Newton would never have discovered the laws of motion had he studied only cats. Suppose you hold a cat, stomach up, and drop it from a second-story window. If a cat is simply a mechanical system ...