Contributors in Science
Science > General science 
geodesic dome
Science; General science
A curved lattice grid dome that utilizes the equilateral triangle as the basis of its surface grid geometry. Buckminster Fuller, the inventor and champion of the geodesic dome, ...
lens (optics)
Science; General science
A curved piece of ground and polished or molded material, usually glass, used for the refraction of light. Its two surfaces have the same axis. Usually this is an axis of ...
private branch exchange
Science; General science
A customer premises communications system that provides its station subscribers with a wide variety of telephony services and access to public switched telephone network (PSTN) ...
dry machining
Science; General science
A cutting fluid, usually an oil or emulsion of a lubricating phase (oil, graphite, and so on) in water, is traditionally used in machining operations to reduce heat generated by ...
cholesterol
Science; General science
A cyclic hydrocarbon alcohol commonly classified as a lipid because it is insoluble in water but soluble in a number of organic solvents. It is the major sterol in vertebrate ...
alkaloid
Science; General science
A cyclic organic compound that contains nitrogen in a negative oxidation state and is of limited distribution among living organisms. Over 10,000 alkaloids of many different ...
tourmaline
Science; General science
A cyclosilicate mineral family with (BO 3 ) triangular groups and a complex chemical composition. The general formula can be written XY 3 Al 6 (OH) 4 (BO 3 ) 3 (Si 6 O 18 ), in ...
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