haha ya i saw that. i looked one of the ones i found up on here and it was actually like 80 mw! you think cheap tile mirrors will work? i dont see why they wouldnt work but idk how reflective a surface has to be to repeatedly reflect a clear beam
Hey i was thinking about building a small laser obstacle course maybe 20 feet long and 10 feet wide. I've been doing some laser research but im not sure what equipment would be safe to use. I want the beam to be clearly visible but it seems most really visible lasers are a little dangerous. I...