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Whonamedit.com does not give medical advice.
This survey of medical eponyms and the persons behind them is meant as a general interest site only. No information found here must under any circumstances be used for medical purposes, diagnostically, therapeutically or otherwise. If you, or anybody close to you, is affected, or believe to be affected, by any condition mentioned here: see a doctor.
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Brownian movement
Also known as:
Brownian motion
Brownian-Zsigmondy movement
Associated persons:
Robert Brown
Richard Adolf Zsigmondy
Description:
Ceaseless, zigzag random movement of microscopic particles when suspended in liquid or gas resulting from chance bombardment by surrounding molecules of the liquid or gas. Brown first observed the movements in 1827.
Bibliography:
- R. Brown:
A Brief Account of Microscopical Observations Made in the Months of June, July and August 1827 on the Particles Contained in the Pollen of Plants; and on the General Existence of Active Molecules in Organic and Inorganic Bodies.
London: Taylor, July 30, 1828. Not published. Like many wealthy scientists of his day, Brown had his results published privately and distributed to friends, colleagues, and the press.
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