Backpack Laser - Don't Cross The Streams

The Backpack Laser cleaning system from Clean Laser is billed as the "world's first backpack cleaning laser." It's a self-contained system that uses a powerful industrial laser to clean and restore surfaces. However, I'm thinking that with a little imagination, you might be able to figure out some alternative uses that would be more fun - like maybe hunting ectoplasmic entities ala Ghostbusters.

Here's what the company has to say about the backpack laser (see photo):

Bill Christensen catalogues the inventions, technology and ideas of science fiction writers at his website, Technovelgy. He is a contributor to Live Science.