The YouTube Shilling Begins Anew
(media.kotakuinaction2.win)
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Did you know a black man invented the ~lightbulb~ ~carbon filament~ ~manufacturing process for the carbon filament~ incremental improvement to the manufacturing process for the carbon filament.
My understanding is he actually invented a filament that burned out faster. I.E., he invented planned obsolescence for the bulb that made them cheaper, but required you to buy more of them.
I've read the patent (it's short and simple enough to understand). It's improving manufacturing yield rather than creating a new type of filament.