@Epic2112@lemmy.world to No Stupid Questions@lemmy.world • edit-22 years agoIf incandescent lightbulbs have a vacuum inside, why do they get so hot on the outside?message-square56fedilinkarrow-up1116arrow-down13file-text
arrow-up1113arrow-down1message-squareIf incandescent lightbulbs have a vacuum inside, why do they get so hot on the outside?@Epic2112@lemmy.world to No Stupid Questions@lemmy.world • edit-22 years agomessage-square56fedilinkfile-text
minus-square@AnUnusualRelic@lemmy.worldlinkfedilink7•2 years agoThere no longer is a vacuum in bulbs, but there was for a very long time.
minus-square@TonyTonyChopper@mander.xyzlinkfedilink9•2 years ago“Halogen” bulbs are just incandescent bulbs filled with inert gas and a small amount of bromine or iodine. Very interesting chemistry https://en.wikipedia.org/wiki/Halogen_lamp
There no longer is a vacuum in bulbs, but there was for a very long time.
“Halogen” bulbs are just incandescent bulbs filled with inert gas and a small amount of bromine or iodine. Very interesting chemistry https://en.wikipedia.org/wiki/Halogen_lamp