Introduction
Introduction Statistics Contact Development Disclaimer Help
Post AoO2174sMPYajIaIgi by [email protected]
More posts by [email protected]
Post #AoH2KSvbz6sNtSlAJM by [email protected]
0 likes, 0 repeats
As you're freely falling through the air you don't feel any force excep…
Post #AoH2zSYSHIlUblTZ8S by [email protected]
0 likes, 0 repeats
@johncarlosbaez One of my favourite black hole fun facts!
Post #AoH39GEyusS1JR2bC4 by [email protected]
0 likes, 0 repeats
@johncarlosbaez I believe this process is called spaghettification
Post #AoH7I4ChRDCQP6QbAG by [email protected]
0 likes, 0 repeats
@johncarlosbaez :>water on the sunny side of the Earth is pulled toward the …
Post #AoH87NRvduTYrV1B2G by [email protected]
0 likes, 0 repeats
@johncarlosbaez isn't the wind resistance much stronger than the gravitatio…
Post #AoH9PeHNuMHuE3MX56 by [email protected]
0 likes, 0 repeats
@johncarlosbaez "We could be falling through the event horizon of a truly …
Post #AoHAHffyvmseC9cxsW by [email protected]
0 likes, 0 repeats
@clusterfcku - yes, the wind resistance vastly exceeds the tidal forces for a p…
Post #AoHCfimPF91KgAECky by [email protected]
0 likes, 0 repeats
@BartoszMilewski - if you fall through the event horizon of an enormous black h…
Post #AoHGMi9fk2Ex3XIkYi by [email protected]
0 likes, 0 repeats
@johncarlosbaez If my hand doesn't disappear, it means I can see things in …
Post #AoHM5xlp1wcsHvXiMK by [email protected]
0 likes, 0 repeats
@BartoszMilewski - light never comes out through the horizon, yet your outstret…
Post #AoHNUau1HzXOYhgbJo by [email protected]
0 likes, 0 repeats
@BartoszMilewski - both these questions can be answered using the Penrose diagr…
Post #AoHOuEW9ErEKcGJGXQ by [email protected]
0 likes, 0 repeats
@TobyBartels @johncarlosbaez Just to add some quantitative pedantry, the tidal …
Post #AoHOuEgmbJjl9FHl7A by [email protected]
0 likes, 0 repeats
@RobJLow @johncarlosbaez : So when a supervillain threatens to destroy the Moo…
Post #AoHOuEpe4MpHajQpvc by [email protected]
0 likes, 0 repeats
@TobyBartels @johncarlosbaez Well, it might not be top of the list of things to…
Post #AoHOuF1LMsBSB0uBA8 by [email protected]
0 likes, 0 repeats
@RobJLow @TobyBartels - since the Moon is held together by its gravity, I'm…
Post #AoHP9cJ14pZmjnVFWC by [email protected]
0 likes, 0 repeats
@TobyBartels wrote: "You probably know this, but it seems weird to focus o…
Post #AoHPlLNqRQEPG6kdHM by [email protected]
0 likes, 0 repeats
@johncarlosbaez @BartoszMilewski When I read the sentence, "We could be fa…
Post #AoHTr7ooBkfQk2NKjY by [email protected]
0 likes, 0 repeats
@johncarlosbaez says"We could be falling through the event horizon of a tr…
Post #AoHgSFSfvxDmbuUV0K by [email protected]
0 likes, 0 repeats
@johncarlosbaez @BartoszMilewski also, on a side note: It just occurred to me t…
Post #AoHgSFZlVatOxtoA3U by [email protected]
0 likes, 0 repeats
@vacuumbubbles @BartoszMilewski - You're right, Vanessa, this business abou…
Post #AoHhI2bYynFbnKLR9k by [email protected]
0 likes, 0 repeats
@MartinEscardo - to not notice that we were falling into an enormous black hole…
Post #AoHti5Kef2mTEScZgu by [email protected]
0 likes, 0 repeats
@johncarlosbaez But presumably @BartoszMilewski's statement that "you&…
Post #AoHurUvaxvm9B0x5OK by [email protected]
0 likes, 0 repeats
@johncarlosbaez @MartinEscardo : And if we're falling into a black hole ju…
Post #AoI5kRALeZjmyfgk4G by [email protected]
0 likes, 0 repeats
@internic @BartoszMilewski - right, as you approach the horizon it looks dark e…
Post #AoI6DJpM187ocCdlUu by [email protected]
0 likes, 0 repeats
@TobyBartels @MartinEscardo - the entire observable universe could be falling i…
Post #AoI6eqYiQi5Lwuz53Q by [email protected]
0 likes, 0 repeats
@RobJLow @TobyBartels @johncarlosbaez And the coolest tidal fact of all (which …
Post #AoI6eqizoUJCSnnI4u by [email protected]
0 likes, 0 repeats
@gregeganSF @RobJLow @johncarlosbaez : Neat! Above, when I described the Moon…
Post #AoI6eqtHCGX2ygbV6O by [email protected]
0 likes, 0 repeats
@TobyBartels @gregeganSF @RobJLow @johncarlosbaez The Road to Reality makes thi…
Post #AoI6er1Qhx3PNyQ0oK by [email protected]
0 likes, 0 repeats
@abecedarius @TobyBartels @gregeganSF @RobJLow - that's a really cool thing…
Post #AoIHdkvOzUEzgKHISu by [email protected]
0 likes, 0 repeats
@johncarlosbaez @BartoszMilewski I just looked it up, and I seem to have misrem…
Post #AoILCqWuRXhd3yFIR6 by [email protected]
0 likes, 0 repeats
@johncarlosbaez @MartinEscardo : The sky facing the black hole wouldn't be…
Post #AoIT4H5B9PJIRShNRI by [email protected]
0 likes, 0 repeats
@johncarlosbaez @internic This is NASA simulation of a fall into a black hole. …
Post #AoIUWri0fVIg6C3gf2 by [email protected]
0 likes, 0 repeats
@johncarlosbaez @internic So you see my confusion: If the approaching horizon l…
Post #AoJ7hY7xhys8lYHbZw by [email protected]
0 likes, 0 repeats
@BartoszMilewskiAs far as I understand GR, even long before you actually arrive…
Post #AoJ7hYIF5l5zHR5obQ by [email protected]
0 likes, 0 repeats
@j_bertolotti @BartoszMilewski Right. The situation with your arm is different…
Post #AoJ7hYSWTXJpnJu1cu by [email protected]
0 likes, 0 repeats
@internic @j_bertolotti @johncarlosbaez Let's simplify the problem. Two obs…
Post #AoJ7hYbNwaPMEo36RM by [email protected]
0 likes, 0 repeats
@BartoszMilewski @j_bertolotti @johncarlosbaez No, from the perspective of the …
Post #AoJ7hYi7XXnOZhCTwG by [email protected]
0 likes, 0 repeats
@internic @BartoszMilewski @j_bertolotti - Nick is right.
Post #AoJ9H1ck8J8gKyA12G by [email protected]
0 likes, 0 repeats
@johncarlosbaez @MartinEscardo I’m not a physicist but I do find it curious t…
Post #AoJ9H1kXfJNSj9oFBw by [email protected]
0 likes, 0 repeats
@emily - the order-of-magntitude similarity between • the Schwarzschild radiu…
Post #AoJAOdCOvaYkr71vBg by [email protected]
0 likes, 0 repeats
@johncarlosbaez @internic @j_bertolotti I'm trying to visualize this. Right…
Post #AoJJlUATZQJX5u6OXo by [email protected]
0 likes, 0 repeats
@BartoszMilewski @internic @j_bertolotti - but they're redshifted to oblivi…
Post #AoJKcWyTrlz998mkyW by [email protected]
0 likes, 0 repeats
@johncarlosbaez @BartoszMilewski This is why I have problem with the firewall i…
Post #AoJNFwx3Pz6Kum2gQS by [email protected]
0 likes, 0 repeats
@johncarlosbaez @internic @j_bertolotti So back to the original question: Can y…
Post #AoJOUW2VrH3HkM6ZU0 by [email protected]
0 likes, 0 repeats
@johncarlosbaez @TobyBartels @gregeganSF @RobJLow At Catalina Island once I cou…
Post #AoJOVN46i4oqCeG5pI by [email protected]
0 likes, 0 repeats
@johncarlosbaez @j_bertolotti I would expect the movie @BartoszMilewski posted…
Post #AoJbLpFqLYwG8fWimW by [email protected]
0 likes, 0 repeats
@BartoszMilewski @internic @j_bertolotti - the larger the black hole the harder…
Post #AoJj4pdmSQ7O2x8BCy by [email protected]
0 likes, 0 repeats
@johncarlosbaez @internic @j_bertolotti So what do you see when you look toward…
Post #AoJmXuzpvKBUux0aRs by [email protected]
0 likes, 0 repeats
@BartoszMilewski - I hope you read this... another branch of this sprawling thr…
Post #AoLDOZzVXkEL5KaOem by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @internic @j_bertolotti a little bit off topic…
Post #AoLDOa6x64BXSQ4LGC by [email protected]
0 likes, 0 repeats
@davidsuculum - have you read Gravitation by Misner, Thorne and Wheeler, or Gen…
Post #AoLDjBPC9CY4unQRUG by [email protected]
0 likes, 0 repeats
@BartoszMilewski Your personal clock is only a tiny bit redshifted from the thi…
Post #AoLDjBUro75NCO4yKO by [email protected]
0 likes, 0 repeats
@4raylee @BartoszMilewski @internic @j_bertolotti - one crucial thing, when doi…
Post #AoLSOef7fsSSsvXrI8 by [email protected]
0 likes, 0 repeats
@johncarlosbaez @4raylee @internic @j_bertolotti I'm interested in a free f…
Post #AoLc66FFtgpeTGEk7c by [email protected]
0 likes, 0 repeats
@RobJLow @BartoszMilewski - as far as I'm concerned, the firewall hypothesi…
Post #AoLq0Gdxio1iLGuFuK by [email protected]
0 likes, 0 repeats
@RobJLow @johncarlosbaez have you ever read Chandrasekhar? Wald seems much more…
Post #AoLqWJzcnuzlzrK72O by [email protected]
0 likes, 0 repeats
@davidsuculum @RobJLow - I could never fight my way through Chandresekhar's…
Post #AoLqhkrJG2cSVNsz0i by [email protected]
0 likes, 0 repeats
@johncarlosbaez @davidsuculum @RobJLow When I was a kid I had some magazines or…
Post #AoLqxfUOzNkmU9l7po by [email protected]
0 likes, 0 repeats
@dpiponi - Nice! Like travel brochures.@davidsuculum @RobJLow
Post #AoM6sPkffjfFUjsxpQ by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @internic : You never see your hand (or anyth…
Post #AoM6sPuF69JvyQMbkO by [email protected]
0 likes, 0 repeats
@TobyBartels @BartoszMilewski @internic - I told Bartosz to contemplate the Pen…
Post #AoMA2R1Y63GUCOFXtY by [email protected]
0 likes, 0 repeats
@johncarlosbaez @TobyBartels @BartoszMilewski @internic I did a long set of cal…
Post #AoMF15UbAEmItx0wuu by [email protected]
0 likes, 0 repeats
@gregeganSF - by the way, your page makes me a bit sad that I went along with C…
Post #AoMI4p94BVW9DpPrbk by [email protected]
0 likes, 0 repeats
@johncarlosbaez @gregeganSF : It's also on the Wayback Machine (just barel…
Post #AoMIPaUrqGfXs8Vwlk by [email protected]
0 likes, 0 repeats
@TobyBartels @gregeganSF - thanks, Toby. I have no idea what became to Chris.…
Post #AoMPDPp0PDQsy44obY by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @internic @j_bertolotti the event horizon is a…
Post #AoMPDPyZpd5ZRkYSWW by [email protected]
0 likes, 0 repeats
@sergedroz @BartoszMilewski @internic @j_bertolotti - right! Your example sho…
Post #AoMaSLQw6OnzCJ8j8i by [email protected]
0 likes, 0 repeats
@johncarlosbaez @TobyBartels @gregeganSF Oh no! I'd no idea that had happen…
Post #AoMxwQ6pa2jjKf2ttI by [email protected]
0 likes, 0 repeats
@johncarlosbaez @TobyBartels @internic Yes, it takes practice to read Penrose d…
Post #AoO0M7yO1jVjgBRSc4 by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @TobyBartels @internic If you mean the world l…
Post #AoO0M8G6xpgmZ9jcEy by [email protected]
0 likes, 0 repeats
@gregeganSF @johncarlosbaez @TobyBartels @internic The scenario I'm interes…
Post #AoO0Oz37f3TAs81F4K by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @TobyBartels @internic OK, Alice jumps first, …
Post #AoO0OzD349PRMufAXY by [email protected]
0 likes, 0 repeats
@gregeganSF @johncarlosbaez @TobyBartels @internic Assume that they are both fa…
Post #AoO0OzMGVsmXpUyWuG by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @TobyBartels @internic OK, I see what’s trou…
Post #AoO0OzV7yvs4Gz7bii by [email protected]
0 likes, 0 repeats
@gregeganSF @johncarlosbaez @TobyBartels @internic I think we have to assume th…
Post #AoO0OzhBG7VosMlEVU by [email protected]
0 likes, 0 repeats
@BartoszMilewski wrote:"I think we have to assume that "passing the h…
Post #AoO216vIvztuFc6elk by [email protected]
0 likes, 0 repeats
@gregeganSF @BartoszMilewski @johncarlosbaez @TobyBartels @internic This whole …
Post #AoO2174sMPYajIaIgi by [email protected]
0 likes, 0 repeats
@j_bertolotti @gregeganSF @BartoszMilewski @johncarlosbaez @TobyBartels I agree…
Post #AoO217F9kBmRFBOViC by [email protected]
0 likes, 0 repeats
@internic @j_bertolotti @gregeganSF @BartoszMilewski @TobyBartels - I don't…
Post #AoO4GYslSvAfDTPiAy by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @TobyBartels I wonder if it might be helpful …
Post #AoO4GZ32qhOVjMDvCS by [email protected]
0 likes, 0 repeats
@internic wrote: "I'll leave it to others whose GR is stronger than mi…
Post #AoOS7m2hZ3BuKGP7qK by [email protected]
0 likes, 0 repeats
@johncarlosbaez @BartoszMilewski @gregeganSF @TobyBartels @internic Hmm, I don&…
Post #AoOWk2cUmJNEYneJfs by [email protected]
0 likes, 0 repeats
@GerardWestendorp @johncarlosbaez @BartoszMilewski @TobyBartels @internic Time …
Post #AoOWk2mQBPJV3aIF96 by [email protected]
0 likes, 0 repeats
@GerardWestendorp - the time reverse of a black hole is a white hole. In a bla…
Post #AoOaHPd8XyMZLPYNSy by [email protected]
0 likes, 0 repeats
@mojala - I'd never seen it before - thanks! It seems completely different…
Post #AoOajCPZHuHmSHSN1s by [email protected]
0 likes, 0 repeats
@johncarlosbaez @GerardWestendorp @BartoszMilewski @TobyBartels @internic @greg…
Post #AoP00QS4pvolmHwPEu by [email protected]
0 likes, 0 repeats
@johncarlosbaez @gregeganSF @TobyBartels @internic "No, the event horizon …
Post #AoPRKiKilGQdn2OnoW by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @gregeganSF @internic :>A free falling obse…
Post #AoPRKiYBxBCiSohYoK by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @gregeganSF @internic (2/3):As we approach the…
Post #AoPRKii7MH8yxbLUHY by [email protected]
0 likes, 0 repeats
@BartoszMilewski @johncarlosbaez @gregeganSF @internic (3/3):Anyway, as Bob fal…
Post #AoPRKiskijePUaJyrI by [email protected]
0 likes, 0 repeats
@TobyBartels @johncarlosbaez @gregeganSF @internic "So he sees Alice reach…
Post #AoPRKj0CH3bbrfnvSi by [email protected]
0 likes, 0 repeats
@BartoszMilewski - I think you're treating the horizon as something you see…
Post #AoPRr2FiEnAEppT6ES by [email protected]
0 likes, 0 repeats
@TobyBartels wrote:"So he sees Alice reach the horizon at exactly the same…
Post #AoPTEsTuJkl3R12aEi by [email protected]
0 likes, 0 repeats
@BartoszMilewski @TobyBartels @johncarlosbaez @gregeganSF @internic He sees her…
Post #AoPTEseXgDGTy014oS by [email protected]
0 likes, 0 repeats
@BartoszMilewski @TobyBartels @johncarlosbaez @gregeganSF @internic If Bob coul…
Post #AoPTEskvIUMwHn0Al6 by [email protected]
0 likes, 0 repeats
@glocq wrote:"f Bob could see the horizon, at the moment he crossed it, he…
Post #AoPUUIhhCnrb3mPN8S by [email protected]
0 likes, 0 repeats
@johncarlosbaez I think you explained it well by saying that it's a surface…
Post #AoPUqXoRiBdmI3Ajbs by [email protected]
0 likes, 0 repeats
@glocq @BartoszMilewski @TobyBartels @gregeganSF @arxiv_math I wrote: "You…
Post #AoPUzQARVQ2JBXh4Fs by [email protected]
0 likes, 0 repeats
@johncarlosbaez @BartoszMilewski @TobyBartels @gregeganSF @internic Thank you, …
Post #AoPVF6GPH8Lu5VxYUy by [email protected]
0 likes, 0 repeats
@BartoszMilewski - I guess it's not a fixed sphere, though I don't even…
Post #AoPVcW2Rbxw8ggauK8 by [email protected]
0 likes, 0 repeats
@glocq - I wrote this elsewhere a minute ago:"Things get more tricky if we…
Post #AoPWEkbpsySWslNdWi by [email protected]
0 likes, 0 repeats
@johncarlosbaez Ahh you're right, I didn't think about that. So I guess…
You are viewing proxied material from pleroma.anduin.net. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.