http://news.sciencemag.org/sciencenow/2012/04/light-bends-by-itself.html

"The work of Segev's group might have remained theoretical, but by coincidence, a group led by John Dudley at the University of Franche-Comté in Besançon, France, has been performing its own experiments on self-bending light. By modifying the existing Airy function, Dudley's ( Read more... )

http://en.wikipedia.org/wiki/Out-of-place_artifact
Rather interesting, but Wikipedia ("the free encyclopedia that ANYONE can edit"). So read with caution if you do.