News tagged with light

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

Migraine matters

(HealthDay)—Most headaches quickly respond to over-the-counter medications. But if you're among the millions of Americans with migraines, you struggle with a severe pounding that can make you nauseous and sensitive to light ...

Oct 11, 2017
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How to treat sunspots

Dear Mayo Clinic: How effective is laser resurfacing for removing sunspots? Are there creams or other products that work to treat sun-damaged skin?

Oct 03, 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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