News tagged with light

Related topics: wavelength · solar cells · laser · physical review letters · photons

Midnight Blue—A new system for color vision

The swirling skies of Vincent Van Gogh's Starry Night illustrate a mystery that has eluded biologists for more than a century—why do we perceive the color blue in the dimly lit night sky? A newly discovered mechanism of ...

Apr 14, 2016
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Debunking digital eyestrain and blue light myths

Nearly 90 percent of adults use digital devices for two or more hours per day, according to The Vision Council's 2016 Digital Eye Strain Report, exposing consumers to blue light that some suggest is dangerous.

Apr 26, 2016
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Light

Light is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye (about 400–700 nm, or perhaps 380–750 nm.) In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.

Three primary properties of light are:

Light, which exists in tiny "packets" called photons, exhibits properties of both waves and particles. This property is referred to as the wave–particle duality. The study of light, known as optics, is an important research area in modern physics.

This text uses material from Wikipedia, licensed under CC BY-SA

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