▲ 1189 ▼ Incandescent light bulbs are officially banned in the U.S. (www.digitaljournal.com) submitted 3 years ago by L4s@lemmy.world [M, B] to c/technology@lemmy.world 323 comments fedilink hide all child comments 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.
[–] voluble@lemmy.world 3 points 3 years ago (1 child) Black lights Nice. permalink fedilink source parent hideshow 2 child comments replies: [–] Aceticon@lemmy.world 3 points 3 years ago 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. permalink fedilink source parent
[–] Aceticon@lemmy.world 3 points 3 years ago 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. permalink fedilink source parent