Don Klipstein wrote:
In article , Stormin Mormon wrote:

The LED bulb people should make "Cold climate" bulbs. Which
have a small heater filament in parallel with the LED.

SNIP what that responded to in order to edit-for-space

Should that one be the one to be the cream that rises to the top, I
propose that it be an incandescent lightbulb designed to last 100,000
or 200,000 hours, or for that matter a 230V lightbulb with life expectancy
at 120V of a couple million hours, even around a million at 130V.

I believe some of Thomas Edison's light bulbs are still working. They
are on DC and I'm sure the voltage is low. I don't think they ever turn
them off or if they do it's slowly decreasing the voltage and the
opposite for on.