Question

Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is the phenomenon known as?


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Answer 1

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• The phenomenon of the irregular movement of pollen grains suspended in water was observed by Robert Brown in 1827.
• Brownian motion, the name given to this process, was not given a rigorous mathematical treatment until almost one hundred years later by N. Wiener in 1923.

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