What applications does cellular automata have?

Question

I realize studying it can give us insights into how the human brain works, why our universe has seemingly random properties, maybe a littl ebit about evolution... What else does it apply to?

"And of cause, you can use a cellular automatum to build a screen saver :-)"

Already done :-)

Answer 1

Applications of cellular automata (CA) are numerous ranging from artificial life to generation of cryptographic transformations. Basicaly, CA allows a bottom-up approach in generating virtual representation of complex real phenomena:
1.Maze generation http://madeira.cc.hokudai.ac.jp/RD/takai/Stripe.mpg
2.Virtual modeling http://madeira.cc.hokudai.ac.jp/RD/takai/Ex07.mpg
3.Hypertexture modeling http://madeira.cc.hokudai.ac.jp/RD/takai/hyperanim.mpg

and check this one out http://en.wikibooks.org/wiki/Cellular_Automata/Applications_of_Cellular_Automata

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Roughly a cellular automata is a computational model of a dynamical system or a subsystem located on a uniform grid (or lattice) operating in a discreet space and time.
What does it mean?
It means that we have a system divided into about equal parts. These parts interacts with neighbors by providing outputs to some neighbors generated based on inputs of other neighbors. The outputs are also influenced by states the cell had when it received a particular input.

Stanislaw Ulam and John von Neumann are the two mathematicians who originally pioneered the work in this area.

Answer 2

I think the most important application is in the simulation of ecosystems. Try to google or yahoo! on
"cellular automata" ecosystem
and you find tons of cool links.

And of cause, you can use a cellular automatum to build a screen saver :-)

Answer 3

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