𒉀TheGuyTM3𒉁@lemmy.ml to Asklemmy@lemmy.mlEnglish · 7 个月前Why would'nt this work?lemmy.mlimagemessage-square228fedilinkarrow-up1556arrow-down130file-text
arrow-up1526arrow-down1imageWhy would'nt this work?lemmy.ml𒉀TheGuyTM3𒉁@lemmy.ml to Asklemmy@lemmy.mlEnglish · 7 个月前message-square228fedilinkfile-text
It can look dumb, but I always had this question as a kid, what physical principles would prevent this?
minus-squareessell@lemmy.worldlinkfedilinkarrow-up1·7 个月前I think relativity demonstrates that light does have mass? They might not have “rest mass” but they do have mass! The eclipse experiment proved it, solar sails whilst hypothetical demonstrate it.
minus-squarecarzian@lemmy.mllinkfedilinkarrow-up5·7 个月前Photons don’t have mass, but they do have momentum.
minus-squareitslilith@lemmy.blahaj.zonelinkfedilinkarrow-up4·7 个月前Relativistic mass is not helpful to our everyday understanding of mass, it’s more helpful to discuss momentum, like the other commenter pointed out
I think relativity demonstrates that light does have mass?
They might not have “rest mass” but they do have mass!
The eclipse experiment proved it, solar sails whilst hypothetical demonstrate it.
Photons don’t have mass, but they do have momentum.
How does that work?
Relativistic mass is not helpful to our everyday understanding of mass, it’s more helpful to discuss momentum, like the other commenter pointed out