Browse Reference Articles
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Speed of sound
The speed of sound is a term used to describe the speed of sound waves passing through an elastic medium. The speed varies with the medium employed (for example, sound waves move faster through water ... > more -
Chloroform
Chloroform, also known as trichloromethane and methyl trichloride, is a chemical compound with formula CHCl3. It does not support combustion in air, although it will burn when mixed with more ... > more -
Geologic fault
Geologic faults or simply faults are planar rock fractures which show evidence of relative movement. Large faults within the Earth's crust are the result of shear motion and active fault zones are ... > more -
Global warming
Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation. The global average air temperature ... > more -
Cholesterol
Cholesterol is a sterol and a lipid found in the cell membranes of all body tissues, and transported in the blood plasma of all animals. Cholesterol plays a central role in many biochemical ... > more -
Computer worm
A computer worm is a self-replicating computer program. It uses a network to send copies of itself to other nodes (computer terminals on the network) and it may do so without any user intervention. ... > 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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