Relativistic electromagnetism

Relativistic electromagnetism is a branch of physics that studies electricity and magnetism in relation to relativity. It takes into account the fact that time, space and the speed of light are all linked together. To understand it, imagine you have a soccer ball and a flashlight. When you kick the ball away, the light from the flashlight still travels towards the ball at the same speed, which is the speed of light. So, no matter what speed the ball is travelling at, the light always catches up to it. In the same way, when you have electricity and magnetism, the speed at which electricity and magnetism travel remain the same even when they are moving at different speeds. Relativistic electromagnetism explains how electricity and magnetism behave when they travel at different speeds, or in different frames of reference.