We’re often warned about how dangerous small commercial lasers can be for our eyes yet technologies like FaceID projects light in our faces many times a day.
Why is FaceID safe? Because it’s low enough power or because it’s in the non-visible spectrum?
Can the non-visible spectrum be dangerous for our eyes?
In: 40
Can a bullet hurt if a rock thrown at you can’t? Yes. One has more energy. Just like x-rays etc have more energy than visible light.
We’re often warned about how dangerous small commercial lasers can be for our eyes yet technologies like FaceID projects light in our faces many times a day.
Why is FaceID safe? Because it’s low enough power or because it’s in the non-visible spectrum?
Can the non-visible spectrum be dangerous for our eyes?
In: 40
Can a bullet hurt if a rock thrown at you can’t? Yes. One has more energy. Just like x-rays etc have more energy than visible light.
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