Here is a great video I found on YouTube of a Wicked Lasers Sonar used in a tunnel scanner. The violet laser creates a beautiful tunnel effect. Things really get neat around 0:40. Check it out:

http://youtube.com/watch?v=Ci2nBq0Cq9o

[Slashdot] [Digg] [Reddit] [del.icio.us] [Facebook] [Technorati] [Google] [StumbleUpon]