4 ms·
My understanding is the stuff you can see are not a huge problem. They get trapped in the nose, sinuses, or lungs and get pushed out eventually. The problem is
by pesfandiar 4y ago
My understanding is the stuff you can see are not a huge problem. They get trapped in the nose, sinuses, or lungs and get pushed out eventually. The problem is much finer particulates (PM2.5) that enter your bloodstream.
- mensetmanusman 4y agoThis is true, the stuff you see with a laser is very small and would fit within the PM2.5 range. (That’s because green light will scatter from particles less than 100 nm in diameter, and our eyes are super sensitive to green).