Radioactive decay - Wikipedia, the free encyclopedia
Radioactivity was first discovered in 1896 by the French scientist Henri Becquerel, while working on phosphorescent materials. These materials glow in the dark after exposure to ...

Radioactivity
Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. Because the nucleus experiences the intense conflict between the two ...

radioactivity Facts, information, pictures | Encyclopedia.com articles ...
Get information, facts, and pictures about radioactivity at Encyclopedia.com. Make research projects and school reports about radioactivity easy with credible articles from our ...

The Discovery Of Radioactivity: The Dawn of the Nuclear Age
Tells which scientists help discover radioactivity.

What is Radioactivity?
Brief and Straightforward Guide: What is Radioactivity? ... Radioactivity is the process whereby unstable atomic nuclei release energetic subatomic particles.

radioactivity - definition of radioactivity in the Medical dictionary ...
radioactivity /ra·dio·ac·tiv·i·ty/ (ra″de-o-ak-tiv´ĭ-te) emission of corpuscular or electromagnetic radiations consequent to nuclear disintegration; it is a natural ...

radioactivity: Definition from Answers.com
radioactivity n. Spontaneous emission of radiation, either directly from unstable atomic nuclei or as a consequence of a nuclear reaction

radioactivity definition of radioactivity in the Free Online ...
radioactivity, spontaneous disintegration or decay of the nucleus nucleus, in physics, the extremely dense central core of an atom . The Nature of the Nucleus

radioactivity -- Britannica Online Encyclopedia
Britannica online encyclopedia article on radioactivity, property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence ...

Radioactivity (song) - Wikipedia, the free encyclopedia
"Radioactivity" (original German language title: "Radioaktivität") is a song written by Ralf Hütter, Florian Schneider and Emil Schult, and recorded by electronic band Kraftwerk ...