Browse Reference Articles
51 to 60 of 426 articles
-
Energy and the Environment
Solar Energy
Renewable Energy
Geomagnetic Storms
Environmental Science
Graphene
Solar cell
A solar cell (or a "photovoltaic" cell) is a device that converts photons from the sun (solar light) into electricity. In general, a solar cell that includes both solar and nonsolar sources of light ... > more -
Photoelectric effect
The photoelectric effect is the emission of electrons from matter upon the absorption of electromagnetic radiation, such as ultraviolet radiation or x-rays. Upon exposing a metallic surface to ... > more -
Nanotechnology
Nanotechnology refers broadly to a field of applied science and technology whose unifying theme is the control of matter on the molecular level in scales smaller than 1 micrometre, normally 1 to 100 ... > more -
Transition metal
The term transition metal (sometimes also called a transition element) commonly refers to any element in the d-block of the periodic table, including zinc, cadmium and ... > more -
Nuclear fusion
In physics, nuclear fusion is the process by which multiple nuclei join together to form a heavier nucleus. It is accompanied by the release or absorption of energy depending on the masses of the ... > more
Search ScienceDaily
Number of stories in archives: 137,427

