News tagged with light

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

Who sweats more: Men or women?

Sex differences in heat loss responses are dependent on body size and not sex, meaning that larger individuals sweat more than smaller ones during cycle exercise in warm and tolerable conditions. That's what research published ...

22 hours ago
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Sleep: the great motivator

(HealthDay)—If you really want to follow through on your New Year's resolutions, make sure you get enough sleep.

Feb 03, 2017
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Trouble getting to sleep? Scientists say go camping

In our modern times, many of us sit up late into the night, watching TV, fiddling with our smartphones, or reading a book by lamplight. Getting up to the sound of the morning alarm isn't easy. Now, researchers reporting in ...

Feb 02, 2017
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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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