Hey, you've probably even seen a hyperbolic shaped building too.  Ever seen Three Mile Island or some other nuclear power plant?

Those buildings are actually water cooling towers.

The hyperbolic shape helps the tower do its job more efficiently.

But, here's the really wild thing about the hyperbola -- Its reflective properties!

Check out the groovy geometry on this thing -- especially what is going on with that left focus:



Whoa. Duuuuuuuuuuuude!