Do windows need to be covered when using a laser?
A few times I have been told that people are using a piece of cloth to cover windows when they are using a laser. They believe that since the window is blocked to light that a laser beam will not pass through. This is NOT a true statement! This would be similar to saying, "I'm wearing a coat, so a bullet can't go through". In order to protect yourself from a bullet, you need o bulletproof vest or bulletproof windows. If you want to protect yourself, your staff, and visit