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Osmosis is the phenomenon of water flow through a semi permeable membrane, a fundamental effect in all biological systems. It is applied to water purification and desalination, waste material treatment, and many other chemical and biochemical laboratory and industrial processes. When two water (or other solvent) volumes are separated by a semi permeable membrane, water will flow from the side of low solute concentration, to the side of high solute concentration. The flow may be stopped, or even reversed by applying external pressure on the side of higher concentration. In such a case the phenomenon is called reverse osmosis.
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Word of the Daycognoscenti:
cognoscenti: persons who have superior knowledge and understanding of a particular field.
Born on this dayOctober 13, 2015
1921 - Yves Montand
1923 - Cyril Shaps
1925 - Baroness Margaret Thatcher
1940 - Chris Farlowe
1941 - Paul Simon
1946 - Edwina Currie
1959 - Marie Osmond
1965 - Cherelle