Speed is the rate at which something moves. Fast-moving objects have high speeds, slow-moving ones have low speeds, and objects with no movement have zero speed. Velocity, on the other hand, is speed ...

The Sulphur Springs Museum and Heritage Center is home to a hands-on exhibit called Velocity, which uniquely teaches about various principles of physics. The exhibit runs through August 26.

A 660-pound steel fist drops from a height of 45 meters onto a solid 4-inch tungsten cube. Despite tungsten’s legendary hardness, the sheer mass and velocity of the fist unleash an enormous amount of ...