... agitation in a gas molecule. As for Perrin, his view was that Einstein and Marian Smoluchowski, who ,in 1895, received a Doctorate in physics at Vienna University (the highest prize "sub auspiciis imperatoris") one year after studying under F.M. Exner, had defined Brownian movement in the exact same ... in magnitude and direction, and it does not conform to a limit as the time for an observation decreases. Therefore, neglecting the true velocity, which Perrin believes cannot be measured, and disregarding the path of the grain during a given time that is an extremely intricate path. ... is...

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• Grade Level: High School