Non political intellectual discourse:
You've all heard about the few, ancient light bulbs operating for up to a century and still going strong.
By incandescing a filament a lower than design-center temperature, the filament does not evaporate, embrittle nearly so quickly. Nor does it provide the rated measure of visible light.
To make your own millenial light bulb experiment, operate the bulb at just enough current to make the filament glow orange red. It will last indefinitely.
Operate the same bulb at 120V (if that be it's design center; it will last, say for 750 hours.
At 130 volts it gives better light but lasts, say 100 hours
At 100 volts it gives yellow light but lasts, say 10,000 hours.
At 50 volts it is cheery orange and lasts perhaps, 100,000 to one million hours.
At 20 volts it probably emits just dull orange. At this minor heat the filament hardly ages at all. Orange. Will last so long that the Head Orangutang of Planet of the Apes will marvel: here was the brightest and only good idea from those idiot humans who raped and savaged our kind until they themselves died off from terminal ugliness of the soul.
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