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Revista Brasileira de Ensino de Física
Print version ISSN 1806-1117
FIGUEIRA, Jalves S.. Brownian motion: a proposal of using new technologies in Physics teaching. Rev. Bras. Ensino Fís. [online]. 2011, vol.33, n.4, pp. 4314-4314. ISSN 1806-1117. http://dx.doi.org/10.1590/S1806-11172011000400015.
From a brief description of Brownian motion we analyzed two videos found on the web. With the software of video analysis and Tracker modeling, it was determined the mean square displacement of Brownian particles. From the measures, it was determined the number of Avogadro and discussed the results. Throughout the work, videos of Brownian particles suspended in water and free softwares were used, both available on the web.
Keywords : Einstein; education technologies; Brownian motion; Boltzmann constant; image processing; Avogadro; tracker.