What Happens at the End Of Time? . . . . [feat. Katie Mack] (Part 5)

We have no idea what happened before The Big Bang event, but we have a LOT of ideas about what will happen at the #endoftime. 💥 This series was supported by Nebula! Join now to watch as one episode with NO ADS: nebula.tv/videos/uno-dos-of-t...
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Katie is DEFINITELY worth a follow:
/ astrokatie
/ astrokatiemack
/ astrokatie
Pick up her book and support local booksellers
bookshop.org/p/books/the-end-...
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www.amazon.com/exec/obidos/AS...
www.indiebound.org/book/97819...
www.booksamillion.com/p/97819...
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books.apple.com/us/book/the-e...
Learn more about Katie here
www.astrokatie.com
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📶 EPISODE
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This episode I talk to my friend Dr Katie Mack about what will happen at the #EndofEverything! Together, we explore why time has to end, the Boltzmann Brain Problem, the Big Crunch, Vacuum Decay, and what causes a celebrated cosmologist/theoretical astrophysicist to have her mind blown.
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📚CHAPTERS
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0:00 How much farther can we go?!
2:03 What happens at the end of time?
5:33 All the ways we could be destroyed
7:52 Does it really have to end?
8:38 How to blow a theoretical physicists mind
12:20 The hellish nightmare of Poincaré Recurrence
14:15 You think you know, but you have no idea
18:42 The End of Everything!
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⏰ SERIES
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Time is a construct that we humans invented to try and explain the changes and movements of the universe that are happening around us. Time is our way of trying to bring order to cosmic chaos. So, you could say that this series is me, trying to bring a little order to my understanding of time! Where did time come from? What is time? Where does time exist? What is the base unit of time? Why do we even need time? Why does time seem to slow down when something crazy happens or when you’re bored? How did time come to be? What about relativity and quantum mechanics? What the HECK is this thing we call TIME?! You’ll have the answers. Let’s kick into it.
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🤯 SERIES LINKS: #ConceptOfTime
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PART 1 - What is Time? ( • Time Really IS a Flat ... )
PART 2 - Psychology of Time ( • Time Only Exists Insid... )
PART 3 - Is Time Real? ( • Block Universe: Free W... )
PART 4 - Is There Free Will? ( • Time is Not Real. (Par... )
PART 5 - The End of Time. [feat. Katie Mack] ( • What Happens at the En... )
Hey, thanks for watching! 😊
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🔦 SOURCES
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Does Time Really Flow? New Clues Come From a Century-Old Approach to Math.
www.quantamagazine.org/does-t...
Strangely, although we feel as if we sweep through time on the knife-edge between the fixed past and the open future, that edge - the present - appears nowhere in the existing laws of physics.
What Happened Before the Big Bang?
www.livescience.com/65254-wha...
Short answer: We don't know. Long answer: It could have been a lot of things, each mind-bending in its own way.
The block universe theory, where time travel is possible but time passing is an illusion
www.abc.net.au/news/science/2...
Your birth is out there in space-time. Your death, too, is in space-time. Every moment of your life is out there, somewhere, in space-time. So says the block universe model of our world.
The illusion of time
www.nature.com/articles/d4158...
Now Means Nothing: How Time Works In Our Universe
www.discovermagazine.com/the-...
What Is Time? A History of Physics, Biology, Clocks and Culture.
www.quantamagazine.org/what-i...
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Music by Epidemic Sound: epidemicsound.com/creator
Some vectors by Vecteezy www.vecteezy.com/
Love you, #nerdfam! Stay #curious!

Пікірлер: 78

  • @ShawnRavenfire
    @ShawnRavenfire3 жыл бұрын

    Anyone else immediately think of Hitchhiker's Guide to the Galaxy when she mentioned a grand piano appearing?

  • @rylaczero3740

    @rylaczero3740

    3 жыл бұрын

    @@B00s3 Impossible Drive or something

  • @B00s3
    @B00s33 жыл бұрын

    Absolutely loved the series! This part 5 though, oooh boy, I love these kinda theoretical ideas/concepts. Again, you do a great job of getting my mind kicking and excited. These definitely give me a dopamine or serotonin boost, or something, I need. Definitely going to pick up Katie Mack's book. The interview was great! Thank You Trace and Katie, great content!

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    IM SO GLAD!!! 😭 🤩

  • @rylaczero3740

    @rylaczero3740

    3 жыл бұрын

    @@TraceDominguez Please do invite her again sometime for a longer podcast type conversation.

  • @ItsJustKathleen
    @ItsJustKathleen3 жыл бұрын

    loved this series so much!!! totally broke my brain a few times but we love that

  • @eAsyLaWn
    @eAsyLaWn3 жыл бұрын

    My oldest self in the block universe reached out to me saying this will had been my all time favorite series on yt. Hence commenting for appreciation and algorithm. Awesome content Trace!

  • @jase_allen
    @jase_allen3 жыл бұрын

    As someone with severe ADD, that bright blue "What If" neon light is a huge distraction. I have to minimize the video window or cover it with another window so I can actually focus on what you're saying instead of on the sign.

  • @RebeccaRuano

    @RebeccaRuano

    3 жыл бұрын

    KZread on mobile makes it easier too. Ad/hd here.

  • @BarchBR00KS
    @BarchBR00KS3 жыл бұрын

    I love how you aren't afraid to get into the deep end.

  • @GuanoLad
    @GuanoLad3 жыл бұрын

    This was the big question I had about Time, and I'm gratified to see my own head-spinning twists and turns in trying to understand it also plague scientists in the same way, and that there are no easy answers. It all comes down to relativity, I guess. We can only measure time against change, and without change, there's essentially no measurable time, even if there may still be time actually continuing on in an essentially invisible state. My theory has always been you can't have a universe without gravity. I think you also can't have a universe without time. Once gravity met time, a universe came into being.

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    oooh I like that love story!

  • @JGHinton1989
    @JGHinton19893 жыл бұрын

    my personal motto or cliche "anyone who knows anything has more questions than answers" 15:40 basically the sum total of what i've ever learned "more research is needed"

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Saaame

  • @MrDarthT
    @MrDarthT3 жыл бұрын

    For Gallifrey! For VICTORY! FOR THE END... OF TIME... ITSELF!

  • @ninise
    @ninise3 жыл бұрын

    Your videos are fantastic. 😁👍👍

  • @rohannepal5428
    @rohannepal54283 жыл бұрын

    i was spaming "no trace of trace" in every seeker video and now finally i found you. love you broooo

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    I won’t ask you to update your spam to tell everyone where I am, but THANKS!

  • @rohannepal5428

    @rohannepal5428

    3 жыл бұрын

    @@TraceDominguez hahaha well that would be 09637908634790 comments to be updated. ON IT!

  • @rylaczero3740
    @rylaczero37403 жыл бұрын

    If I say you are no more than group of some trillion atoms, would you despair? You likely won't, because it is the effect that matters, it doesn't matter what concept is used to provide continuity to your existence. Similarly, why would it matter if you're Boltzmann brain or not, you cannot distinguish either way, and the idea of you is continuous. I would even say we might as well be continuous over different concepts that can support the implementation of the idea of us, and Boltzmann brain happened to be one of them, where by continuity I mean the sense that you have experienced your past in a continuous manner without any gaps.

  • @vankike7
    @vankike73 жыл бұрын

    Amazing series, definitely blew my mind! You should turn these into podcasts, I'd listen again for sure! Cheers from Mexico City!

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Podcasts are on the docket!!

  • @vankike7

    @vankike7

    3 жыл бұрын

    @@TraceDominguez Thanks for the reply! such a fan of your work, keep it up man!

  • @dragonxstormx9101
    @dragonxstormx91013 жыл бұрын

    Gotta love these videos so funny with the blue shirt haha interesting topic about time and space me trace is such a nerd reminds me of my mum haha I'm abit of a nerd too though especially with it being about space time lol

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Glad you enjoyed! I couldn't NOT do the blue shirt gag after she mentioned that haha

  • @The1Overmind
    @The1Overmind3 жыл бұрын

    Trace, you okay bud? You look worried with your friend's explanation of space and time lol. From what I'm gathering it sounds like it's most likely we're in a big brain floating through a void. I'll chalk this up as "we're living in a simulation". I love this topic!

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    SO COOL RIGHT?!

  • @BlueSparrow23
    @BlueSparrow233 жыл бұрын

    I was fascinated by the idea of what's beyond the observable universe, because I too am convinced that there is more. As for not being able to know anything about the Unobservable Universe... I'm not sure how accurate that is. Sure we can't DIRECTLY observe it, because it's outside our light cones, but in theory, if we found something right on the edge of the Observable Universe, could we measure it's motion and gravity and use that to make inferences about what might be out there? We'd probably only get a very vague idea about the immediate boundaries, but since everything has it's own light cone, is it not possible to observe objects near the edge of one's light cone, and make inferences about the environment it finds itself in? Or maybe it's expanding away from us at such a rate that we can't see it due to light-shifting anyway... Either way, I think it's likely a misconception to imagine the Universe as a Closed System. I think it's more likely infinite, or has other parallel universes nestled next to it extradimensionally in ways that can affect each other. Perhaps Dark Matter/Energy is the effects of those other Universes rippling our SpaceTime.

  • @Toastmaster_5000
    @Toastmaster_50003 жыл бұрын

    I never did and still don't find any answers to the beginning or the end of the universe to be satisfactory. If time effectively stops after the heat death, what was the purpose of anything at all existing? I'm not asking in a human perspective, but rather just in the perspective of the entire universe. There's the saying "it's not the destination that matters, it's the journey along the way". But a journey only matters when it actually has an end. The heat death isn't really an end, it's more like an infinite pause. But suppose the Big Crunch happens: that also makes the entire part of the journey moot, because everything that ever happened was erased from history. And then there's the whole issue with the beginning of time, where somehow, the singularity exists. If nothing came before it and time can't move, how does the big bang ever happen?

  • @rylaczero3740

    @rylaczero3740

    3 жыл бұрын

    I don't know, man. But the idea where the idea of you exist infinitely is beautiful (not horrifying as the speaker says in video), and you are not just popping in and out, you are continuous, as you must have felt there are no gaps in history, so maybe all possible journeys that can be travelled by you will be travelled by you, is being unfolded through you, and you are free to choose whichever one version you want to experience through your actions.

  • @phizicks
    @phizicks3 жыл бұрын

    Time didn't exist before the big bang, so there's no sense to ask what happened 'before' the big bang. Time ends when entropy ends, there's no change which is what we determine has time elapse. So if there's no atoms, no decay, nothing, then there's no time.

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Thank you for restating what we've been talking about in a comment

  • @Pjs-ge7gk

    @Pjs-ge7gk

    3 жыл бұрын

    But there was a "before" the big bang. There was immense heat and energy ergo atoms had to have existed. There's also no way to say the big bang and heat death are singular events. Perhaps they have happened or will happen multiple times. It's as accurate to state an infinite amount of time passed before the big bang, as it is to state that no time passed at all.

  • @davidroddini1512

    @davidroddini1512

    3 жыл бұрын

    @Phizicks: So when the Mrs. asks for something to get done, I can say “Don’t worry, I’ll do it in ‘no time’.” That gives me quite a while to put it off!

  • @Toastmaster_5000

    @Toastmaster_5000

    3 жыл бұрын

    But there's still the question of how it all got to be that way in the first place

  • @phizicks

    @phizicks

    3 жыл бұрын

    @@Toastmaster_5000 doesn't mean it occurs in that space/time, could be a higher dimension of membranes but that's not what people usually mean by what happened before, they usually mean within that space/time.

  • @sono101zero
    @sono101zero3 жыл бұрын

    11:55 the thing i dont quite understand about boltzman(?) brain is that a brain requires constant source of energy and is constantly changing; it isnt a static thing that just works

  • @sono101zero

    @sono101zero

    3 жыл бұрын

    so how would a specific combination of atoms coming together create a brain? a brain is a system not an object (like a diamond or something)

  • @RebeccaRuano
    @RebeccaRuano3 жыл бұрын

    Do I recognize Katie’s voice from Waking Life, the movie?

  • @shwappler
    @shwappler3 жыл бұрын

    17:10 song name ?

  • @Negentropy.
    @Negentropy.3 жыл бұрын

    I know what happens before and I know what will happen in The End Kneel before me if you want to know the answers you seek

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    or just listen to Katie, because she knows what happens at the end too (well, at least as much as any scientist in her field who just wrote a whole book about exactly that topic does)

  • @Negentropy.

    @Negentropy.

    3 жыл бұрын

    @@TraceDominguez who reads in 2020....it's all about the audiobooks now

  • @ShawnRavenfire
    @ShawnRavenfire3 жыл бұрын

    When I was in gradeshool, they told me God created everything, and so I asked where God came from, and nobody could give me a satisfactory answer. So I thought about it, and somehow, an idea popped into my head, that if a bunch of particles were moving around for an unlimited amount of time, they would eventually form into an intelligence, that would become so bored that it would hallucinate the universe and develop multiple personalities. I kind of forgot about that until now.

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Welcome to theoretical physics!

  • @ShawnRavenfire

    @ShawnRavenfire

    3 жыл бұрын

    @@B00s3 Yes, when they pictured the floating brain in the video, I immediately thought of Ego too.

  • @ursaltydog
    @ursaltydog3 жыл бұрын

    If the universe is indeed expanding, wouldn't it have been kewl to have been several billion years younger, and have been closer in proximity to other developing intelligent races on planets closer to us?

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Oh that would be so cool! There are some theories that describe the reasons we haven’t seen aliens yet is because we are some of the first to be able to evolve. Like, we are in the first wave of sentient life… The universe is still empty, while other forms are evolving. I’m not saying this is a theory that I ascribe to, but it is one!

  • @ursaltydog

    @ursaltydog

    3 жыл бұрын

    @@TraceDominguez Me neither... I kinda hope there are better and more intelligent beings than are here at home! LOL

  • @ursaltydog

    @ursaltydog

    3 жыл бұрын

    @@maneeshd3 I'm good with that. as long as they still aren't currently muckin' around with us... I do not want them to do the anal probing... *turns head upward to look at ceiling*

  • @NotHPotter
    @NotHPotter3 жыл бұрын

    Eternal recurrence isn't horrifying. It's a thought experiment to live such that if you were to experience eternal recurrence, that you would be satisfied with reliving the same life over and over again, more along the lines of living without regrets.

  • @RebeccaRuano
    @RebeccaRuano3 жыл бұрын

    I wonder if you or Katie ever consider that our entire solar system is in a black hole. Maybe that’s why other galaxies appear to be getting farther apart. Since we don’t know much about black holes and we don’t know much about outer space... and everything else..., do you think that’s possible?

  • @hotsistersue
    @hotsistersue3 жыл бұрын

    Do I understand time better? in a way, yes I do, but in another way my confusion is SO MUCH WORSE THAN BEFORE!

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    THATS EXACTLY RIGHT

  • @ishfishe
    @ishfishe3 жыл бұрын

    I have an existential crisis every time I watch one of Trace's vids :/

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    i have one every time i make one of these vids

  • @davidroddini1512
    @davidroddini15123 жыл бұрын

    0:36 “…dense, infinite and ultra hot; just like me.” Uh, I don’t know. I can’t comment on the infinite part. And I am not particularly attracted to Trace (though I can believe others might be). But I definitely would not describe him as dense. I’ve worked with some pretty dense people. I know what dense looks like. Edit: I watched all 5 episodes but couldn’t watch anything else because I ran out of time 😉

  • @ursaltydog
    @ursaltydog3 жыл бұрын

    Oooooo... did you just propose to your beau, Trace at 20:00 mark? :D

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    I did that at the end of 2019! There’s a video on the channel about it ;)))) it’s cuuuute

  • @ursaltydog

    @ursaltydog

    3 жыл бұрын

    @@TraceDominguez oh dayumm... I missed that!

  • @mrrstarrk
    @mrrstarrk3 жыл бұрын

    I'm not first but I'm taking it because no one said it. FIRST! 😂

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Welcome!

  • @mrrstarrk

    @mrrstarrk

    3 жыл бұрын

    @@TraceDominguez been with you since D news bro. Keep em comin 💪🏾💪🏾💞 There a best way to suggest topics?

  • @sharmavikram
    @sharmavikram3 жыл бұрын

    @Tracy you are turning more red every episode. Use natural colors.

  • @LPMatthi
    @LPMatthi3 жыл бұрын

    mmm

  • @TraceDominguez

    @TraceDominguez

    3 жыл бұрын

    Ooo

  • @davidroddini1512

    @davidroddini1512

    3 жыл бұрын

    Mmmooo

  • @AliciaWag

    @AliciaWag

    3 жыл бұрын

    David Roddini 🤣🤣🤣

  • @joesguiltyguitar
    @joesguiltyguitar3 жыл бұрын

    If I told the you all the big bang wasn't right you wouldn't hear me but I'm telling it's not right because it's a unknown .... Please hear me this once before you judge my words .. Before I begin telling you everything in my part bigger theory you need to know a few things about me .... I've sinned nearly Daly that I hate myself for never overcoming the worldly body that holds me down to this reality .... You can think I'm crazy for anything you want but that doesn't mean I'm not right when I tell you my thoughts .... I believe in the Lord Jesus Christ always but in times I'm ruled by my body that seeks wantings for a lustful thing that overwhelmed my mind .... But now that's clear to you that I don't lie nor do I want to lie to anyone so let me start the words I wanted to tell you .... Scientist and science tells us that the CMB is growing out in speed and is always getting faster but I'm telling you it's not all as one set speed in the reaches of space and everything your seeing is moving together at different times and speeds and the full body of the CMB isn't as one full picture, just like the ocean is wide and flowing.... The flowing space has bubbles that formed liken that of trash on the sea but yet it has bubbles that explode into galaxies and voids that look like fireworks 🎆 this all shows up but their not telling everyone about it.... I can see it in the stars that are like patterns ..... I can't tell you anymore because my brain just shut off on me and my big bang theory isn't the big bang theory , it's a flowing sea of void that gravity in energy from light and mass that work as one layer over the other again and again until it's light forms a endless loop in space and time.... Is there a bottom in the sea of space well maybe the Lord can tell us some day if that's even important to us in the after life we all will see some day ..... Have a wonderful time and I hope some day we all can enjoy a spirit life ..... Peace ✌️

  • @joesguiltyguitar

    @joesguiltyguitar

    3 жыл бұрын

    I texted all this before I watched this video pass the minute mark ..... LoL I feel like someone took parts of my comment from the other times I tried to communicate with KZreadrs about all this ..... I'll never know if Google stole any of my opinion on this stuff .... O' well I couldn't use it for anything if I did come up with it by myself ..... But I really feel like tech has their ways to take anyone's time away for claiming others ideas and I'm not saying she took any of my stuff ... I'm not calling her a person that took any of my ideas ...... But may she think about the way I told about space as a bigger size space time wave that can have smaller ripples through them and it's liken a wave down deep in water but it's all space .... Note Also that gravity is layers of mass from locked energy that is also light inside of all mass but know mass isn't formed without energy