Einstein's prediction finally witnessed one century later

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Einstein said it couldn't be done. But more than one hundred years later physicists at the University of Texas at Austin have finally found a way to witness “Brownian motion”; the instantaneous velocity of tiny particles as they vibrate. The “equipartition theorem” states that a particle's kinetic energy, that due to motion, is determined only by its temperature and not its size or mass, and in 1907 Einstein proposed a test to observe the velocity of Brownian motion but gave up, saying the experiment would never be possible – not so... Continue Reading Einstein's prediction finally witnessed one century later

Tags: Brownian motion, Einstein, Laser, Optical, Quantum, Temperature, University of Texas

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