fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 20 hours agoThe speed of lightmander.xyzimagemessage-square76linkfedilinkarrow-up1506arrow-down15
arrow-up1501arrow-down1imageThe speed of lightmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 20 hours agomessage-square76linkfedilink
minus-squareBlackLaZoR@lemmy.worldlinkfedilinkEnglisharrow-up2arrow-down6·8 hours agoThey have mass. Everything that has energy has mass. They don’t have inertial mass but it’s just part of the equation
minus-squareporous_grey_matter@lemmy.mllinkfedilinkEnglisharrow-up2·2 hours agoThey have momentum, not mass, in relativistic physics you need something more complex than p=mv to describe momentum.
minus-squareBlackLaZoR@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down1·59 minutes agoEnergy=mass always. Theoretically you can make a black hole out of light, or you can turn that photon energy into inertial mass by running light in a closed loop.
They have mass. Everything that has energy has mass. They don’t have inertial mass but it’s just part of the equation
They have momentum, not mass, in relativistic physics you need something more complex than p=mv to describe momentum.
Energy=mass always. Theoretically you can make a black hole out of light, or you can turn that photon energy into inertial mass by running light in a closed loop.