Electromagnetism, the science that deals with the phenomena that result from the relationship between electricity and magnetism. The term is also used to refer to the electromagnetic phenomena themselves.
The Large Hadron Collider isn't just a one-trick (Higgs) pony. Find out what else has happened where hundreds of millions of particles may collide any given second.
Five metallic balls on slender threads sit side by side. As one on the end hits the rest, the one on the opposite end rises and falls. Why don't the balls in the middle move? It's complicated.