#electromagnetic-radiation
The speed of light is a fundamental physical constant, denoted by the letter c. It is the speed at which electromagnetic radiation (such as light)... Read more
Electromagnetic radiation (EM radiation) is a form of energy that propagates through space via electromagnetic waves. It includes radio waves,... Read more
Microwaves work by emitting electromagnetic radiation that is absorbed by food, causing it to heat up. The energy is produced by a device called a... Read more
Photons are the smallest unit of light and are classified as elementary particles in quantum mechanics. As such, they do not have an infinite... Read more