Frontpage » Tag » light

News tagged with light

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



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 and is available under the GNU Free Documentation License.


Researchers discover mushrooms can provide as much vitamin D as supplements

Researchers from Boston University School of Medicine (BUSM) have discovered that eating mushrooms containing Vitamin D2 can be as effective at increasing and maintaining vitamin D levels (25–hydroxyvitamin D) as taking ...

Health created Apr 22, 2013 | popularity 5 / 5 (3) | comments 1 | with audio podcast