Be a Mad Scientist - Build Your Own 40 Watt Laser Shotgun

[youtube https://www.youtube.com/watch?v=iVrJUbeuG44&w=824&h=489]

"There's no good reason for anybody to own anything this powerful."

"But it's not illegal" so...

Of course I instantly thought of this scene from "The Terminator" in Arnold's voice:

[youtube https://www.youtube.com/watch?v=uiTX5KLVlY0&w=854&h=510]

At least something envisioned in 1985 is technologically possible in 2015... 'cause I don't see any flying DeLoreans or Mr. Fusion on the shelf yet...