@kalkulat@lemmy.world to science@lemmy.world • 2 months agoNASA's solar sail successfully spreads its wings in spacewww.space.comexternal-linkmessage-square69fedilinkarrow-up1489arrow-down11cross-posted to: technology@lemmy.worldspaceflight@sh.itjust.worksworldinprogress@lemmy.worldastronomy@mander.xyz
arrow-up1488arrow-down1external-linkNASA's solar sail successfully spreads its wings in spacewww.space.com@kalkulat@lemmy.world to science@lemmy.world • 2 months agomessage-square69fedilinkcross-posted to: technology@lemmy.worldspaceflight@sh.itjust.worksworldinprogress@lemmy.worldastronomy@mander.xyz
minus-square@MonkderVierte@lemmy.mllinkfedilink1•2 months agoElse they don’t. We are talking quantum here.
So photons do have mass?
only as long as they exist
Else they don’t. We are talking quantum here.