News tagged with light

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

Can't sleep? Here's some science-based advice

A few weeks ago, thousands of researchers gathered in Denver, Colorado for the SLEEP 2016 meeting. Skimming over the abstracts, one can find diverse research topics like "Need better sleep? Consider the cognitive shuffle," ...

Jul 05, 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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