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

Chlorophyll

Science; General science

The generic name for the intensely green, blue, or purple tetrapyrrolic pigments found in higher plants, algae, and photosynthetic bacteria that serve as photoreceptors and transducers of light ...

The expression perpetual motion, or perpetuum mobile, arose historically in connexion with the quest for a mechanism which, once set in motion, would continue to do useful work without an external ...

Level measurement

Science; General science

The determination of the location of the interface between two fluids, separable by gravity, with respect to a fixed horizontal datum plane. The respective fluids may be any fluids, liquid or ...

Sex-linked inheritance

Science; General science

The inheritance of a trait (phenotype) that is determined by a gene located on one of the sex chromosomes. These traits, including many diseases, have characteristic patterns of familial ...

Topology

Science; General science

The branch of mathematics that studies the qualitative properties of spaces, as opposed to the more delicate and refined geometric or analytic properties. While there are earlier results that belong ...

Crumpling

Science; General science

The haphazard complexity of a crumpled sheet or membrane has recently been shown to be governed by a simple mathematical law. Other things being equal, an eightfold increase in the size of a sheet ...

Lemon

Science; General science

The fruit Citrus limon , commercially the most important of the acid citrus. It probably originated in the eastern Himalayan region of India or adjoining areas, and was introduced into Europe by the ...