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Chemical compound
A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. The ratio of each element is ... > more -
Linus Pauling
Linus Carl Pauling (February 28, 1901 - August 19, 1994) was an American quantum chemist and biochemist. He is widely regarded as the premier chemist of the twentieth century. Pauling pioneered the ... > more -
Spectroscopy
Spectroscopy is the study of spectra, that is, the dependence of physical quantities on frequency. Spectroscopy is often used in physical and analytical chemistry for the identification of ... > more -
Radiography
Radiography is the creation of images by exposing a photographic film or other image receptor to X-rays. Since X-rays penetrate solid objects, but are weakened by them depending on the object's ... > more -
Nuclear Energy
Renewable Energy
Energy and the Environment
Weapons Technology
Physics
Environmental Science
Nuclear fission
Nuclear fission is a process in nuclear physics in which the nucleus of an atom splits into two or more smaller nuclei as fission products, and usually some by-product particles. Hence, fission is a ... > more -
Electromagnetic spectrum
The electromagnetic spectrum is the range of all possible electromagnetic radiation. Above infrared in frequency comes visible light. This is the range in which the sun and stars similar to it emit ... > more -
Isaac Newton
Sir Isaac Newton, PRS, (4 January [O.S. 25 December 1642] 1643 to 31 March [O.S. 20 March] 1727) was an English physicist, mathematician, astronomer, alchemist, inventor and natural philosopher who ... > more
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