Epic2112@lemmy.world to No Stupid Questions@lemmy.world · edit-21 year agoIf incandescent lightbulbs have a vacuum inside, why do they get so hot on the outside?message-squaremessage-square56fedilinkarrow-up1115arrow-down13file-text
arrow-up1112arrow-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-21 year agomessage-square56fedilinkfile-text
Same way sun heats the earth