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Sean Carroll is a theoretical physicist, author, and host of Mindscape podcast.

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33 Comments

  • @LexClips

    02/15/2025 - 9:25 AM

    Full podcast episode:


    Lex Fridman podcast channel: https://www.youtube.com/lexfridman
    Guest bio: Sean Carroll is a theoretical physicist, author, and host of Mindscape podcast.

  • @ryanv6785

    02/15/2025 - 9:25 AM

    Theoretical physicists are modern day philosophers. What are they actually doing?

  • @drcunda1

    02/15/2025 - 9:25 AM

    The holographic universe is widely revered as one of the most important breakthroughs of the past few decades.

    The reason is that it strikes at the mystery of quantum gravity – the long-sought unification of quantum physics, which governs particles and their interactions, and general relativity, which casts gravity as the product of warped space-time.

    Then again, you might wonder why the idea is held in such high regard given that it remains a mathematical conjecture, which means it is unproven, and that the model universe it applies to has a bizarre geometry that doesn’t resemble our universe.

    The answer, it turns out, is twofold.

    First, the holographic conjecture has helped to make sense of otherwise intractable problems in particle physics and black holes.

    Second, and more intriguing perhaps, physicists have finally begun to make headway in their attempts to demonstrate that the holographic principle applies to the cosmos we actually reside in.

    🍀
    NEW SCIENTIST

  • @3nealweber3

    02/15/2025 - 9:25 AM

    If you close your eyes, Sean’s voice sounds just like Alan Alda. 😂

  • @TheAptimn

    02/15/2025 - 9:25 AM

    It is claimed that humanity has already run out of data to train neural networks. Because of this, the development of virtual worlds to generate synthetic data for AI training has begun. Essentially, it’s a copy of the Earth—like Google Maps—with an emulation of the laws of physics. (Nvidia and Google have launched such projects.)

    A question arises:

    What if we ourselves were created to generate synthetic data to benefit a higher civilization? After all, certain ancient texts say we were created “in the image and likeness,” presumably to learn about good and evil. What is this if not training someone’s neural network?

    AI analyst Sergey Markov says that information processing has a maximum possible speed, and if you exceed it significantly, theoretically, the computer would evaporate. He then proposes a fanciful idea: if we assume the existence of advanced civilizations with insanely powerful neural networks, there’s some probability that their data centers are located in black holes because the laws of physics there are optimal for super-powerful computations. 🤔

    All of that is, of course, fascinating. But there’s a catch.

    If advanced civilizations are somehow benefiting from us, why should we be doing it for free? As of today, there’s no evidence that we voluntarily came into this world. In fact, there are hints to the contrary.

    In short, we may find out that we are created to live through scenarios that include suffering for the benefit of an alien Ai system.

    And then there are all sorts of myths, like the Tower of Babel. When humanity almost reaches the heavens, something catastrophic happens to reset it back to the starting position. Why is that? What are these myths really about? There’s also news about the sudden increase in UFO activity last year, and so on.

    Murphy’s laws and a strange statistical skew towards bad luck could give us a hint at this too.

    I repeat, I’m not asserting anything—just asking questions.

    Perhaps there is no way out of this aquarium at all.

  • @RUBBER_BULLET

    02/15/2025 - 9:25 AM

    "We're already getting quite speculative…"

  • @starwaving8857

    02/15/2025 - 9:25 AM

    Sean Carroll is wrong at least on most parts.. he has no idea but i respect him because i know he is smart.

  • @yoshyusmc

    02/15/2025 - 9:25 AM

    Sounds like a black holes purpose in our Universe is to condense matter, reshuffle and barf it all out into star forming nebulas? What a beautiful life cycle of stars.

  • @janiemiller825

    02/15/2025 - 9:25 AM

    All theories- no one’s truly fig it out yet 🤷‍♀️

  • @randyalbright7212

    02/15/2025 - 9:25 AM

    No doubt about it. I am.

  • @RedPillBroadcast

    02/15/2025 - 9:25 AM

    Calling cap

  • @hendrixj.8356

    02/15/2025 - 9:25 AM

    Black holes create planets when they explode

  • @cosmic_sky_mountain

    02/15/2025 - 9:25 AM

    sean would make a great used car salesman !

  • @portalsandmagicghostnumbercube

    02/15/2025 - 9:25 AM

    I can prove, in a general sense, that invisibility and holodecks are inverse forms of each other. You can turn an invisible object outside-in and you'll have a holodeck of any outside environment. Turn a holodeck inside-out and you'll have an invisible object again, but only in one strict environment that match up to the holodeck scenery. I know the exact inverse geometry between invisibility and holodecks; holodecks are a by-product of making an object invisible. That being said, and in search of a perfect symmetry between invisibility and holodecks, this asymmetry begs the existence of other realities where the holodeck does match up to the outside environment. An Invisible/Holographic Principle of the Multiverse!

  • @Healitnow

    02/15/2025 - 9:25 AM

    How We Were Created

    Regarding creation, I am a retired herbalist, full of health knowledge. I did not need God or so I thought. Then on Dec. 7/2022 I found a flaw in my research and died.

    I was gone for 27 min.

    When I was dead, my guide provided by God asked me if I had any questions, and boy did I.

    Question: How is the universe created?

    Answer. It is a giant self-directing simulation, a lot like the Simpsons or South Park is to you.

    The debate over what is actually stops when you look and see we are ones and zeros.

    Suddenly I understood. In a computer program, I can build or create as fast as I can program. I also do not need to follow scientific timelines or rules to create; rather, computer web design capabilities would determine what I could do. Under these conditions, I can build parts and activate and integrate them in any order I wish. I can build any program and launch it looking any age I wish. Even though our program called our universe is only about 6000 years old, it was made to look a lot older.

    EG: On a computer, I can build a house that looks ultra modern or very old. Nether appearance date's the time I built it.

    Every glitch, every problem, everything considered a miracle, is solvable this way. On a hard drive, I can easily create talking donkeys, burning bushes that are not consumed, and resurrect anyone I wish, along with having universal floods and talking snakes. I also can have different realms not visible from Earth, such as heaven and hell. It makes total sense if you think about it. No other way does that I know of.

    As for the six days of creation, God could have put in one part on each of the 6 hard drives (one per day), plugged them in (one per day), then balanced the program. Then on day 7 sat back to enjoy his work and rest.

    Universe done!

    As for the positioning of distant galaxies, or using the creation of the solar system as proof of the age of the universe, on a computer program, I can place any object as far away as I want and make it any age I wish. I also can see it being flat, as this is the same here when we create things on our computers.

    God says that for those who will not believe, “He will send strong deception such that you will believe”. I think this calculation of the huge ages provable from these measurements, based on the laws of physics and astronomy, is part of it.

    Next, atheists and often Christian scientists try to use the day-to-day ways the universe works after creation to explain creation itself, and this is where the problem starts. The principles and programming needed to create a universe on a computer are different from how it works after it is created.

    If this was not true, we would have to be living by the rules of South Park and The Simpsons just to create them. We all know this is not so, as we have both programs, while our own reality remains unchanged.

    This is the essence of our creation, as to how it was, and is still being done.

    By the way, God has done a great job of heaven. I saw a small portion when I was there, and can not wait to go back. His building skills are truly awesome.

    In short, God is sitting at his computer, punching any key he wants. He can change reality in any way, including pressing delete.

    Instead, he has chosen not to and gives us all a chance at eternal life instead.

    To start your life long and beyond Christian journey, begin with this prayer, then find a good church and some good Christian friends.

    Jesus I believe in you, forgive me all my sins, come into my life and make it better, in Jesus' name, Amen.

  • @pohjiebarbosa

    02/15/2025 - 9:25 AM

    Age is volume

  • @pohjiebarbosa

    02/15/2025 - 9:25 AM

    1:42 Boom

  • @Oushimoto

    02/15/2025 - 9:25 AM

    Nothing is here as we know it. Everything has already happened light years away.

  • @sasca854

    02/15/2025 - 9:25 AM

    10:21 I think he's being reductive for brevity's sake here, but this part isn't strictly speaking true. Actually, from the perspective of a distant observer, it's just outright untrue. To any observer still causally connected to the universe we inhabit, anything and everything that has ever fallen into a black hole is still there, asymptotically approaching the horizon but never actually reaching it. Infalling matter gets so close to the horizon that, if you could still see the matter, it would appear smeared out all over the horizon. This is where the Holographic principle gets its name. Taking 3-dimensional information and spreading it out (or "encoding" it) over what is, for all intents and purposes, a 2-dimensional surface is, by definition, a hologram. Since nothing ever crosses the horizon, no information is ever lost. Quantum processes like Hawking radiation may "erode" away at the matter over eons of time, but this is simply changing energy from one form to another and is thus perfectly reversible from a theoretical standpoint (albeit not from a practical one).

  • @lutzresource7239

    02/15/2025 - 9:25 AM

    I experience time pretty differently

  • @pabhk

    02/15/2025 - 9:25 AM

    "The location of the singularity of a black hole is not in the middle of space but in our future" has to be the most contorted thing I've ever heard.

  • @late2thegatefpvdfreeman319

    02/15/2025 - 9:25 AM

    lex seeems relaxed lol

  • @kokomanation

    02/15/2025 - 9:25 AM

    The Holographic principle I assume must be closely related to string theory somehow

  • @mohammedgeissa9698

    02/15/2025 - 9:25 AM

    Why do u think the source of the data / data hub is contained in black holes ! It is scattered across what we can commonly refer to or identify as dark matter but it's not in a solid or stable state..it's the retrieval via communication frequencies x qbit synchronicity that matters..

  • @petar4002

    02/15/2025 - 9:25 AM

    A black hole is highly compressed gas.

  • @jesterlead

    02/15/2025 - 9:25 AM

    My fridge makes bespoked ice, and one of the types is what I like to call a high-energy Neutrino collector ice-cube (HENCIC). This two-inch spherical HENCIC coincidentally and perfectly fits inside a cocktail tumbler. One large Neutrino collector ice-cube, and some Blanton's bourbon has been my primary thesis for best experimental collection. I'll report back once I spot some Neutrino interactions, fingers crossed!

  • @cathyharris-cz5tu

    02/15/2025 - 9:25 AM

    Sean Carroll is the greatest, however with new discovery of James Webb telescope, we have to update our knowledge daily. Just this morning, I read ,that Stephen Hawking was wrong and information can't escape from Black Holes

  • @ericjshipe

    02/15/2025 - 9:25 AM

    Sean is smart.

  • @wilfredoriverajr.

    02/15/2025 - 9:25 AM

    The fact that we don't feel time dilation seems like an invitation to do it.

  • @Strifeart.

    02/15/2025 - 9:25 AM

    8:06 got to keep em separated 😂

  • @majorburly2007

    02/15/2025 - 9:25 AM

    You have a unique way of staying quiet yet asking questions on this production. All we can do is the best we can and hope our fellow humans can understand and adapt to.

  • @Ghoovchk

    02/15/2025 - 9:25 AM

    часы будут тикать одинаково, а время ?

  • @johndunn5272

    02/15/2025 - 9:25 AM

    What about gravitational attraction between black holes…this must say something about it's anchoring in spacetime

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