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
popularity39 comments 0

10 simple ways to increase your physical activity

Regardless of your shape or size, physical activity has been shown to add years to your life, and life to your years. But believe it or not, the benefits of physical activity are not restricted to exercise performed in the ...

Mar 16, 2016
popularity7 comments 0

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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