Hey. I just joined and want to learn more about lasers. I recently bought a 532nm 5mW green laser pointer. I like that I can see the beam and that it is highly visible. I am thinking about buying a class 3b laser around 50-100mW. I want to be able to focus the beam and burn some things. However, I don't know if there are laws about owning a class 3b. I haven't managed to find any yet, but I want to make sure. Also, what color should I get? I have heard that blu-ray is best for burning things, yet other people say the color doesn't matter.How do you find what level of eye protection you need for a particular laser? I have heard that you sometimes want under the amount it says for better viewing of the laser, and going over can make it so you can't see the laser clearly. If it isn't obvious I've been researching these things myself, but I want to hear from people who actually own and use lasers.