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I also do think that the filament thickness has a lot to say for longevity. I have a "decor type" large warm glowing light bulb with a quite thick and long fila

I also do think that the filament thickness has a lot to say for longevity. I have a "decor type" large warm glowing light bulb with a quite thick and long filament that's been on for hours daily and turned on and off multiple times daily for 10 years now and counting. And yes, it is a real incandescent bulb, not LED :)

CelestialTeapot 5y ago
The same game is still played today with LED bulbs (whether there's a cartel behind it or not, I do not pretend to know). See: https://www.youtube.com/watch?v=klaJqofCsu4 https://www.youtube.com/watch?v=klaJqofCsu4