Particles of flour distributed in air to demonstrate Brownian motion. Brownian motion describes the small seemingly random movements of particles susp

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Particles of flour distributed in air to demonstrate Brownian motion. Brownian motion describes the small seemingly random movements of particles suspended in a fluid. It is named after the Scottish botanist Robert Brown, who first observed the phenomenon. It was later recognised that the movements were caused by the particles colliding with molecules.

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Photo credit: © PATRICK DUMAS/LOOK AT SCIENCES/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, aleatoire, background, black, brown, brownian, brownien, de, diffusion, dumas, erratic, flour, fluid, mathematique, modele, molecular, molecule, motion, mouvement, movement, particle, particles, particule, patrick, physical, physics, processus, random, robert, suspension, thermodynamique, wiener