Espiritdescali@futurology.todayM to Futurology@futurology.todayEnglish · 1 month agoGravity can exist without mass, dark matter could be myth: Studyinterestingengineering.comexternal-linkmessage-square42fedilinkarrow-up1148arrow-down116
arrow-up1132arrow-down1external-linkGravity can exist without mass, dark matter could be myth: Studyinterestingengineering.comEspiritdescali@futurology.todayM to Futurology@futurology.todayEnglish · 1 month agomessage-square42fedilink
minus-squareArbitraryValue@sh.itjust.workslinkfedilinkEnglisharrow-up6arrow-down1·1 month agoIs this the sort of negative mass that would possibly allow for stable wormholes and therefore time travel?
minus-squarepyr0ball@sh.itjust.workslinkfedilinkEnglisharrow-up2·1 month agoI’d recommend Stephen Baxter’s “Ring” novel as a primer on cosmic strings, domain walls (the shell-like mass described here) and using wormholes for time travel. Basically covers all of the funky science described in this article
minus-squareRevan343@lemmy.calinkfedilinkEnglisharrow-up2·1 month agoIt’s also really well written. You’ll have to read the rest of the Xeelee sequence afterwards though
minus-squarepyr0ball@sh.itjust.workslinkfedilinkEnglisharrow-up2·1 month agoAgreed. My favorite is still Raft
Is this the sort of negative mass that would possibly allow for stable wormholes and therefore time travel?
I’d recommend Stephen Baxter’s “Ring” novel as a primer on cosmic strings, domain walls (the shell-like mass described here) and using wormholes for time travel.
Basically covers all of the funky science described in this article
It’s also really well written. You’ll have to read the rest of the Xeelee sequence afterwards though
Agreed. My favorite is still Raft