I've seen a few videos of this in action. They've also applied the cloaking onto other things such as Balls and cubes. It seems to work pretty well, but there are few things that could still use work. As far as I know, special lighting is needed... anyhows, its a crazy concept, but I'm sure that our governments have developed something similar years before this.
It's sappy I know but seriously it takes 2 seconds just add this to your favorites and click on it daily. Thank you JohnOrq (fellow wiener) for the link. Help feed an animal in need http://www.theanimalrescuesite.com/ cgi-bin/WebObjects/CTDSites.woa