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www.reference.com/article/light-work-9fb5dda8a0094ee3

Light works when photons, which are small packets of energy or units of electromagnetic radiation, travel in electromagnetic waves throughout space. Light makes things visible, enabling organisms to see.

www.reference.com/article/light-energy-fcdf5886b17ee03b

Light energy is a type of kinetic energy that consists of waves. It results from electromagnetic radiation and is the only form of energy visible to the human eye.

www.reference.com/article/light-created-d605948a20c2f7de

Light is created when electrons orbiting an atom become energized to move into a higher orbit, and then drop down to a lower orbit, releasing a small amount of energy in the process. This energy is called a photon, which is the fundamental particle of light.

www.reference.com/article/light-made-9d5bb8a7be82d574

Light is made by an electron dropping to its natural orbit from an orbit that has higher energy, emitting energy in the process. This energy is released in the form of a photon, or particle of light, whose frequency corresponds to the distance between the two orbits.

www.reference.com/article/light-formed-809c93a5c663d39a

Visible light is created when electrons that are located inside atoms return to their ground state after being in an excited state, according to the University of Hartford. Light is radiant energy, meaning it is electromagnetic radiation that can be seen with the human ...

www.reference.com/article/bike-lights-work-20d7a16938fe5bdc

Many bicyclists choose a dynamo to power the light on their bike, states Gizmag. These small generators require no batteries and create electricity by turning a permanent magnet through a coil of wires.

www.reference.com/article/led-lights-work-b75d4d7f408c8ecd

A light-emitting diode is a semiconductor diode that produces light as an electrical current passes through it. The diode is formed by bringing an excess positive charge and an excess negative charge together, releasing energy in the form of light.