Antilaser

[w2m3c]

BBC News - Scientists build the world's first anti-laser

Just passing an interesting article about an array of lasers that has been developed that can cancel a laser.

 

[GBD]

This has already been posted several times this week..
Just a few threads down of yours:

http://laserpointerforums.com/f44/have-you-heard-60895.html
On that thread, you will find yet another link to another post about the same thing
:beer: