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Is it the UV, or just the visible lights? i.e., can you get some of the benefit from LEDs at sunlight temperature?
by Analemma_ 7y ago
Is it the UV, or just the visible lights? i.e., can you get some of the benefit from LEDs at sunlight temperature?
- hutzlibu 7y agoUV-B makes your body produce Vitamin-D. So, special LED that can emit UV helps for that, too, but carefully. Oh and ordinary window glass completely blocks UV rays.
- youareostriches 7y agoGlass actually fully blocks the helpful UV-B rays while still allowing some amount of harmful UV-A rays through.
- hutzlibu 7y agoThere is an interesting illustrating picture about this. From a trucker where the sun always only hit one side through glass: https://www.cbsnews.com/news/trucker-accumulates-skin-damage-on-left-side-of-his-face-after-28-years-on-the-road/ https://www.cbsnews.com/news/trucker-accumulates-skin-damage...