Jonathan Townsend wrote:meta-materials - old news - maybe for microwaves but likely both impossible and silly for visible light. and as commented on that source thread - easily defeated by other sorts of detection.
There is a very interesting interview with Sir John Pendry the creator of this idea on the Guardian's Science Weekly podcast.
You can listen, or download it for free, here:
http://www.guardian.co.uk/science/blog/ ... ly.podcast
And whilst there, you might also enjoy this one with James Randi on:
We also ask magician and arch-sceptic James Randi aka the Amazing Randi about what conjurors can teach scientists about how the brain works.
http://www.guardian.co.uk/science/audio ... ly.podcast
Very good, interesting podcast. I recommend it highly.