General science

General science

A variety of science subjects concerning the fundamental knowledge about different aspects of our world and their underlying principles.

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General science

Red dwarf star

Science; General science

A low-mass main-sequence star of spectral classes M and L. Red dwarf stars range from about 0.6 solar mass at class M0 down to 0.08 solar mass in cool M and warm L, below which the proton-proton ...

A low-speed generator driven by water turbines. Hydrogenerators may have a horizontal or vertical shaft. The horizontal units are usually small with speeds of 300–1200 revolutions per minute (rpm). ...

Basin

Science; General science

A low-lying area which is wholly or largely surrounded by higher land. An example is the Hudson Bay in northeastern Canada, which was formed by depression beneath the centre of a continental ice ...

Tick paralysis

Science; General science

A loss of muscle function or sensation in humans or certain animals following the prolonged feeding of female ticks. Paralysis, of Landry's type, usually begins in the legs and spreads upward to ...

Soldering

Science; General science

A low-temperature metallurgical joining method in which the solder (joining material) has a much lower melting point than the surfaces to be joined (substrates). Because of its lower melting point, ...

Graphite

Science; General science

A low-pressure polymorph of carbon, the common high-pressure polymorph being diamond. Several other rare polymorphs have been synthesised or discovered in meteorites. The contrast in physical ...

Ipecac

Science; General science

A low, perennial shrub or half-shrub of the tropical forest in Brazil and Colombia. Several species are used, but the dried roots and rhizomes of Cephaelis ipecacuanha (Rubiaceae) constitute the ...