Recent content by SDstudent

You would think any classroom laser pointes shouldn’t be above 5mW. I came across this article online though. I will try and see if I can find out what power it is without seeming like a paranoid nut in class. The teacher has already had to replace the batteries once. The Unrecognized Dangers...

I just started a class this semester at college. The professor for one of my classes heavily waves a green laser around at the projector screen as well as the whiteboard. I think the green laser pointer is part of the computer slide controller. The lights in the lecture hall of about 100...