The Doppler effect is an observed change in pitch (how high or low a sound is) when either the source of the sound or the listener is in motion. Imagine a car, its horn blaring, approaching you as you ...
Light is the fastest-moving thing in the universe. So what would happen if the speed of light were much, much slower? In a vacuum, the speed of light is about 186,000 miles per second (300,000 ...
To make the admittedly weird concept of relativity easier to understand, a team of developers has created a video game that slows down the speed of light. Relativity is the theory that space and time ...