Quote Originally Posted by Biciclista View Post
I hardly think the kind of lasers most of us can get our hands on are going to hurt anyone at 30 feet; however they might think you have a gun (sighting) and shoot you!
I have two lasers sitting in my desk right now that could easily hurt someone at ~30 feet if I aimed it at them. I'm an astronomer and they are standard issue and easy to get. And yes, they are standard pen pointers (but green and very very bright).