It is something like the "Holy Grail" of physics: unifying particle physics and gravitation. The world of tiny particles is ...

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 ...

Acceleration and thermal energy are physics concepts that can be applied to stock car racing. Jon Feingersh/The Image Bank via Getty Images America has a physics problem. Research shows that access to ...