Changes

In a true random walk (ie Brownian motion) the mean displacement along the x-axis is proportional to the square root of time  dx=sqrt (2Dt), where D is the diffusion constant which gives mean radius of a circle covered by the random walk

In a true random walk (ie Brownian motion) the mean displacement along the x-axis is proportional to the square root of time  dx=sqrt (2Dt), where D is the diffusion constant which gives mean radius of a circle covered by the random walk

Einstein, Albert (May 1905). [https://www.zbp.univie.ac.at/dokumente/einstein2.pdf "Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen" (PDF)]. Annalen der Physik (in German). 322 (8): 549–560. Bibcode:1905AnP...322..549E. doi:10.1002/andp.19053220806. Retrieved 2008-04-10.

Einstein, Albert (May 1905). [https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/andp.19053220806 "Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen" (PDF)]. Annalen der Physik (in German). 322 (8): 549–560. Bibcode:1905AnP...322..549E. doi:10.1002/andp.19053220806. Retrieved 2008-04-10.

Einstein, Albert (1989). [https://einsteinpapers.press.princeton.edu/vol2-trans/137 "On the movement of small particles suspended in a stationary liquid demanded by the molecular-kinetic theory of heat" (PDF)]. Princeton University Press

Einstein, Albert (1989). [https://einsteinpapers.press.princeton.edu/vol2-trans/137 "On the movement of small particles suspended in a stationary liquid demanded by the molecular-kinetic theory of heat" (PDF)]. Princeton University Press