News tagged with light

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

Harnessing the power of light to fight cancer

Immunotherapy is one of the hottest emerging areas of cancer research. After all, using the body's own cells to fight cancer can be more effective and less invasive than flooding the entire system with toxic chemicals.

Feb 04, 2016
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The science behind why you love a weekend lie-in

Sleeping in over the weekend is one of life's great pleasures. Yet some of us are much better at it than others. A teenager is much more likely to emerge from their bed at midday than their middle-aged parents – but even ...

Jan 15, 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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