From The American Institute of Physics & Inside Science New Service:

The three best visual illusions in the world were chosen at a gathering last weekend of neuroscientists and psychologists at the Naples Philharmonic Center for the Arts in Florida.

The winning entry, from a Bucknell University professor, may help explain why curve balls in baseball are so tricky to hit.

Click on the link above to see the visual illusions.  As a fan of baseball, I found this very interesting.

(HT:  Chris, my brother)