LED (light-emitting diodes) lights cost a bit more than older incandescent lights (aka, the filament bulbs that are hot to the touch), but they promise so much in return. Those promises include ...
Scientists discover that fish scales sourced from fish waste can be turned into the nanostructures that are used to make LEDs. By Dan Bracaglia / Popular Photography Published Aug 7, 2022 9:00 PM EDT ...
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