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History
Jean Baptiste Perrin
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Jean Baptiste Perrin was a French physicist who, in his studies of the Brownian motion of minute particles suspended in liquids, verified Albert Einstein's explanation of this phenomenon and thereby confirmed the atomic nature of matter. For this achievement he was honoured with the Nobel Prize in Physics in 1926.
Perrin in 1926
Perrin in 1926
Ioan Cantacuzino (left) with Perrin in 1931
Ioan Cantacuzino (left) with Perrin in 1931
Jean Perrin in 1908
Jean Perrin in 1908
Autochrome portrait by Auguste Léon, 1918
Autochrome portrait by Auguste Léon, 1918
Brownian motion
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Brownian motion is the random motion of particles suspended in a medium.
The equilibrium distribution for particles of gamboge shows the tendency for granules to move to regions of lower concentration when affected by gravi
The equilibrium distribution for particles of gamboge shows the tendency for granules to move to regions of lower concentration when affected by gravity.
Brownian motion on a sphere
Brownian motion on a sphere