Epic2112@lemmy.world to No Stupid Questions@lemmy.world · 1 year agoIf incandescent lightbulbs have a vacuum inside, why do they get so hot on the outside?message-squaremessage-square49fedilinkarrow-up1111arrow-down13file-text
arrow-up1108arrow-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 · 1 year agomessage-square49fedilinkfile-text
minus-squarekadu@lemmy.worldlinkfedilinkarrow-up2·1 year agoThere’s no perfect vacuum. But as others have mentioned already, most of it is electromagnetic radiation. A very small part of this radiation is the visible light you see, most of it is invisible to the human eye.
There’s no perfect vacuum. But as others have mentioned already, most of it is electromagnetic radiation. A very small part of this radiation is the visible light you see, most of it is invisible to the human eye.