Re-use of this resource is governed by a Creative Commons Attribution-
Noncommercial-Share Alike 2.0 Licence UK: England & Wales
creative commons DoITPoMS logo

2D Random Walk

This 2D simulation shows 900 atoms simultaneously performing a random walk from the centre of the frame. The graph on the side shows the relationship between the time passed, t, and the average distance travelled by the atoms

Elapsed time s
Average distance μ

50 μ
x t t 1/2 10 20 30 40 2 4 6 8 30 20 10 x v t x v √t
Atoms have reached edge of container