Stamets@lemmy.dbzer0.com to Science Memes@mander.xyzEnglish · 1 day agoFight melemmy.dbzer0.comimagemessage-square113linkfedilinkarrow-up1540arrow-down119
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minus-squareBlue_Morpho@lemmy.worldlinkfedilinkEnglisharrow-up2·22 hours ago heat is movement of atoms and molecules. Moving atoms don’t physically touch each other. They transfer their momentum with photons. Measuring the heat of a volume of gas is technically the measurement of the number of photon exchanges.
minus-squarepotoooooooo ☑️@lemmy.worldlinkfedilinkEnglisharrow-up2·10 hours agoWtf, is that true? Aren’t photons weightless? It’s all black magic.
minus-squareBlue_Morpho@lemmy.worldlinkfedilinkEnglisharrow-up2·5 hours agohttps://profoundphysics.com/if-photons-have-no-mass-how-can-they-have-momentum/
Moving atoms don’t physically touch each other. They transfer their momentum with photons. Measuring the heat of a volume of gas is technically the measurement of the number of photon exchanges.
Wtf, is that true? Aren’t photons weightless? It’s all black magic.
https://profoundphysics.com/if-photons-have-no-mass-how-can-they-have-momentum/