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Re:How I Got My Laser Eye Injury by johnmaguire on Thursday August 01, 2024 @03:33PM (#41132700)
Surfaces may produce diffuse or direct reflections (or more commonly, a mixture of both) for any light source. If you can see it, it's being reflected.
Re:How I Got My Laser Eye Injury by dreamcompiler on Thursday August 01, 2024 @06:36PM (#41134353)
And even if you can't see it. You won't see a spot from an IR laser while it's burning the hell out of your retina. Which is why many (but not all) IR lasers co-produce a visible spot so you can see where the dangerous beam is.