How can a 5mW laser cause damage to a 160-lb body?
How can a 5mW laser cause damage to a 160-lb body?
They can't without being concentrated through a lens onto a clump of cells in your body that are specifically sensitive to visible light. I'll invite you to shine one on your ear and see how much damage it does.
They can't without being concentrated through a lens onto a clump of cells in your body that are specifically sensitive to visible light. I'll invite you to shine one on your ear and see how much damage it does.
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