EspiritdescaliMA to FuturologyEnglish · 3 months agoGravity can exist without mass, dark matter could be myth: Studyinterestingengineering.comexternal-linkmessage-square42fedilinkarrow-up1151arrow-down117
arrow-up1134arrow-down1external-linkGravity can exist without mass, dark matter could be myth: Studyinterestingengineering.comEspiritdescaliMA to FuturologyEnglish · 3 months agomessage-square42fedilink
minus-squareArbitraryValue@sh.itjust.workslinkfedilinkEnglisharrow-up6arrow-down1·3 months agoIs this the sort of negative mass that would possibly allow for stable wormholes and therefore time travel?
minus-squarepyr0ball@sh.itjust.workslinkfedilinkEnglisharrow-up2·3 months 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-up2·3 months agoIt’s also really well written. You’ll have to read the rest of the Xeelee sequence afterwards though
minus-squarepyr0ball@sh.itjust.workslinkfedilinkEnglisharrow-up2·3 months 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