EspiritdescaliMA to FuturologyEnglish · 2 days agoGravity can exist without mass, dark matter could be myth: Studyinterestingengineering.comexternal-linkmessage-square42fedilinkarrow-up1149arrow-down116
arrow-up1133arrow-down1external-linkGravity can exist without mass, dark matter could be myth: Studyinterestingengineering.comEspiritdescaliMA to FuturologyEnglish · 2 days agomessage-square42fedilink
minus-squareArbitraryValue@sh.itjust.workslinkfedilinkEnglisharrow-up6arrow-down1·2 days agoIs this the sort of negative mass that would possibly allow for stable wormholes and therefore time travel?
minus-squarepyr0ball@sh.itjust.workslinkfedilinkEnglisharrow-up2·2 days 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-up2·2 days agoIt’s also really well written. You’ll have to read the rest of the Xeelee sequence afterwards though
minus-squarepyr0ball@sh.itjust.workslinkfedilinkEnglisharrow-up2·2 days 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