|Some early history of Brownian motion.|
|Brownian motion in the plane, and a first look at scaling.|
|A clearer picture is the graph of Brownian motion in 1 dimension.|
|Here are some of the mathematical properties of Brownian motion.|
|For comparison with data, here are the visual signatures of Brownian motion. Anticipating later work, for amusement we compare these graphs with some stock market data.|
|Finally, we mention the Brownian bridge, a related construction of some theoretical importance now.|
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