Incandescent light bulbs are officially banned in the U.S.::America’s ban on incandescent light bulbs, 16 years in the making, is finally a reality. Well, mostly.
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Black lights
Nice.
They’re lights that emit in the ultraviolet part of the spectrum for the purpose of making fluorescent materials light up. To the human eye they don’t look quite black, but more like a darkish purple.
But yeah, I too always found the name deliciously ironic.
