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A literal Windows error
(lemmy.ohaa.xyz)
Public Blue Screens Of Death
Public displays and digital infrastructure software failing to do their job because of blue screens, crashes or other problems
Why would one want it to emit UV? We can't see it, and it damages us.
Because some UV light is healthy for us. We generate vitamin D and it's good for our mental health to have sunlight.
People in places that don't get sun for parts of the year have UV lights to help keep them sane.