Electromagnetic radiation in the wavelength range including infrared, visible, ultraviolet, and X rays, traveling in a vacuum with a speed of about 186,281 miles (300,000 kilometers) per second. Light commonly means the wavelength which allows vision for the human eye. Light can be observed in waves and in particles as photons.

Articles on that refer to Light

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News Articles that refer to Light

Frozen Light may store quantum bits
DNA could be scaffolding for self-assembling chips
Butterflies master photonics
Threading Light Through the Opaque
Researchers create a broadband light amplifier on a chip
Researchers discover second light-sensing system in human eye
Scientists Move Optical Computing Closer to Reality
Intel Claims Significant Breakthrough in Silicon Photonics Development
SETI looking for light flashes from E.T.
Atom-based quantum computer breakthrough