Fluid Dynamics (according to Wikipedia and Paul Simon)


An eddy is a swirling of a fluid

and the reverse current created

when the fluid flows past an obstacle.


I am a rock . . .


The moving fluid

creates a space devoid

of downstream-flowing fluid

on the downstream side of the object.


I am an island . .


Fluid behind the obstacle flows into the void

creating a swirl of fluid

on each edge of the obstacle

followed by a short reverse flow

of fluid behind the obstacle

flowing upstream

toward the back of the obstacle.


And a rock feels no pain . . .


This phenomenon

is most visible






swift-flowing rivers.


And an island never cries . . .


Image source: http://www.thebrwa.org/enewsletters/eNews_2013/BRWA_Newsletter_0213.html

Text source: verbatim from Wikipedia and Paul Simon lyrics from “I am a Rock”


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