News tagged with light

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

Research shows hope for personalized genome sequencing

Imagine if you could carry a credit card-size record of all the 3 billion A's, T's C's, and G's that make up the alphabet soup of your genome. A simple swipe of the card could inform your physician right away if a drug being ...

Jul 12, 2015
popularity192 comments 10

Religious exemptions for vaccines endanger us all

The measles epidemic in the western United States earlier this year provides a good reminder that it is time to end the religious exemption for vaccination. It may also be time for physicians to change the way they educate ...

Jul 09, 2015
popularity33 comments 5


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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