a tendency towards spontaneous order
a. all individuals are only aware of their nearest neighbors
b. have a tendency to align in the same direction
c. all attracted to each other, but try to keep some distance.
fish 1 body length apart, birds 3 or 4 body lengths apart.
when a predator's coming, get out of the way. then try to get back together.
advantages: your odds of being the one eaten is reduced. waves of panic can propagate. information is sent about half a kilometer in birds in a very short time.
find Steven Strogatz whole talk about nature and sync here.
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