If incandescent lightbulbs have a vacuum inside, why do they get so hot on the outside? - eviltoast

Shouldn’t the vacuum insulate the glass from the heat of the burning filament?

  • efrique@lemm.ee
    2·
    1 year ago

    basically will just die a boring death after swallowing all the planets in the solar system

    Not all the planets, no. Mercury and Venus, sure. The earth’s orbit will move somewhat further out when the sun expands, and probably won’t be swallowed but it will at least be well baked.