Distance from the light source is a critical variable: light power decreases substantially as distance increases because photons are deflected and scattered by molecules in the air. A 178 milliwatt surface irradiance drops to approximately 89 milliwatts at 6 inches away and further drops to approximately 45 milliwatts at 12 inches away.
causalpending
Evidence Quote
“the further away from the source of the power the lower the power will be this is because all those little photons end up running into molecules in the air and getting deflected and Scattered... a 178 milliwatt at the surface of the device will drop almost in half as six inches to about 89 milliwatts and half again at 12 inches away to 45 milliwatts”
Created: 8/13/2026, 7:47:20 AM
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