Electromagnetism was discovered in 1820. It is one of the four fundamental interactions in nature and combines electricity and magnetism.

About Electromagnetism

Electromagnetism is the branch of science concerned with the forces that occur between electrically charged particles. In electromagnetic theory these forces are explained using electromagnetic fields. Electromagnetic force is one of the four fundamental interactions in nature, the other three being the strong interaction, the weak interaction and gravitation. The word is a compound from two Greek terms, , lektron, 'amber' (as electrostatic phenomena were first described as properties of amber by the philosopher Thales), and , magnts, 'magnet' (the magnetic stones found in antiquity in the vicinity of the Greek city of Magnesia, in Lydia, Asia Minor). Electromagnetism is the interaction responsible for practically all the phenomena encountered in daily life, with the exception of gravity. Ordinary matter takes its form as a result of intermolecular forces between individual molecules in matter.

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