pun intended

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i'll never forget the experiment where they took a bass
and put it in a circular tank that was pure white in coloration.
without any structure what so ever
...that bass swam in a continuous circle round and round and round never stopping.
then they added nothing but a black line on the side of the tank
that was say 3 inches wide...
but the side was still smooth as before...ok
now the fish had something to relate to
and it quit circling the tank
and hovered or suspended
right next to the black line
because now it had something to relate to.
keep that in mind
