The self-organising sand pile

Mehta, Anita; Barker, Gary
June 1991
New Scientist;6/15/91, Vol. 130 Issue 1773, p40
Discusses the theory of Per Bak and his colleagues at the Brookhaven National Laboratory in the US which argues that multicomponent systems which change over time organize themselves into a `self-organized critical' state. `Theories of everything'; Insensitivity of the theory to lengths and times. INSET: Just how long is a piece of string?.


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