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118,883 Views • Feb 19, 2023 • Click to toggle off description
0:00 Do Black Holes Create Dark Energy?
0:46 Is the Universe Expanding?
3:26 Gravity Vs Dark Energy
6:41 The Growth of Black Holes
8:48 Those That Stare at Black Holes
11:15 Do Black Holes Make the Universe Expand?
13:46 The Fate of the Universe
#blackhole #darkenergy #breakthrough
Links to papers here:
iopscience.iop.org/article/10.3847/2041-8213/acb70…
iopscience.iop.org/article/10.3847/1538-4357/acac2…
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Views : 118,883
Genre: Science & Technology
Date of upload: Feb 19, 2023 ^^
Rating : 4.889 (111/3,891 LTDR)
RYD date created : 2024-03-30T22:05:23.142874Z
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YouTube Comments - 533 Comments
Top Comments of this video!! :3
I studied degree level physics over thirty years ago and always thought black holes might have something to do with the expanding universe.
For me this is an exciting development, great time to be alive.
44 |
In a half asleep dream imagining, I pictured this: Blackholes not only Frame drag the "grid" of spacetime around in a kind of torque, they also Frame SUCK the spacetime inward as well. So the expansion of spacetime is the pulling of the 'sheets' down each big black hole- so the 'grid' between black holes gets stretched, and thats the redshift we see, as opposed to any actual expansion.
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I knew this intuitively since I first heard the terms " dark energy/ dark matter".
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Huh, weird. I think I must have fundamentally misunderstood what Hawking Radiation was, cause I thought it was the mechanism that made Black Holes shrink - not was another source of feeding them?
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Sabine Hossenfelder pooh-poohs this in her latest Science News video, saying "I really think physicists keep screwing themselves over by calling this [Cosmological] constant Dark Energy" and "It seems likely to me that soon enough someone else will come up with a perfectly mundane explanation for the data and you'll never hear of this idea again." I give her more credence and weight than that latest headline-grabber.
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The implications are incredible. That means there is a way to use matter to power space time motion which means an Alcumbierre drive is feasible.
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I love having access to all this new information so quickly. I love learning allot more now than I did in school. Thank you.
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This has been my own theory on the universe, which is that black holes are recycling machines, breaking down matter into its most basic form and spitting it out back into something that becomes nebulae, stars, star systems, galaxies, and once again black holes.
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I just discovered this research, I am not specialist in astrophysics, just interested. Thanks for the information. I tried to have a look at the original papers, they are far above my level of understanding, but I feel this is a key discovery.
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this was my first time checking out both your channel & your content; truly I am so grateful that the algorithm allowed me to stumble upon your neck of the Youtube forest because so often I get the feeling that both the algorithm + Youtube are secretly plotting ways to either drive ppl to new even more insane levels of insidiousness by putting only the fringyest of fringe theory-styled programing that while i admit that can be entertaining..., ultimately though it's not a very worthwhile undertaking in most situations & it would become a choice between watching something just to kill some time or being pleasantly surprised by what the algorithm has dished out to me at the just the right time when i'm in just the right kind of receptive headspace so as to actually harken unto your very informative yet at the same time completely entertaining proving that once again deeply intense concepts don't have to be presented in a stark, sterile & mind-numbingly overbearing in tone:body-green-covering-eyes: to the point of feeling as if you don't adhere to what the content creator is providing; well then damned be ye all , the fact you've found a way to remove the pretensions that seem somehow inherent in the subject matter on a molecular level therefore the one that presents these concepts, ideas & theories must also be , well you & a few other amazingly gifted individuals on this platform choose to do these things your own way & at your own pace....Bravo & kudos ! Stumbling onto this video turned a blaise day into a now super-charged & most awesome day ...thanx for that...& i'm looking forward to future uploads¬KEEP UP THE GREAT JOB YOU'RE DOING until next time L8rsk8r🛹😋🤘
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🤩👍 this is a great explanation :) I've read three or four popular-science articles on those two papers, but until now noone was able to summarise it clearly enough for me :) thanks
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Thanks for this Nice, Simple and Elegant explanation of complex aspects of our universe. I wonder if our scientists ever consider the existence of energy/mater in dimensions that we can’t see. Mathematically any number of dimensions can be modeled but we are trapped into 3 dimensions (or 4th, considering time), so technically we can’t understand what could really be in other potential dimensions. At the most we could only perceive weird things happening in our universe as a consequence of us touching the plane (space) of higher dimensions. I would love to see a video of Dr Ben about other dimensions and how scientists understand this. Congratulations for this channel and for making science available to the general public.
11 |
Thank you for this excellent break down. I saw the news and I didn't really understand it. This was a perfect explanation.
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Thank you for producing this video. 7:00, my understanding is that a neutron star/black hole is not produced by the force of gravity in a supernova, but rather due to implosion. The explosion is extremely powerful, but there is a medium point in the star where the matter just cannot escape fast enough (i.e. explosion), so the forces causes matter inside the medium point i.e. the core, as said, becomes a neutron star or, if more mass, a black hole.
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A beautiful conjecture that, if proven, will reshape all we know about the universe.
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Black holes... dark energy... I guess it should have been obvious from the start. Feels to me like there are some holes in this as an idea. I'm left with a sentiment of, "ok, but how?" What do you think?
7 |
Talking about cosmology and the future death of the universe is often a depressing topic, but this is actually good news.
If black holes are able to exert this kind of control over the fabric of spacetime, that means a whole lot of wild technologies just became theoretically feasible, up to and possibly including faster-than-light-travel and backwards time travel (both of which are actually the same thing).
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Thanks. Very interesting. It is perhaps important to keep in mind that light [EM radiation of all types] does add energy density to a black hole. So it would seem that, even if a black hole isn't actively feeding, all the EM radiation out there would still increase it's size / mass. Witness the Kugel blitz. Over billions of years this would (presumably) add up. Of course, other things could be going on, too. I've been thinking a lot lately that the simplest explanation for dark energy ought to have something to do with gravitation, but black holes themselves hadn't entered my mind. It'll be fun to follow this. tavi.
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thank you, Dr. Miles!
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@DrBenMiles
1 year ago
@DrBecky has a great critical review of this breakthrough. It's her field and I'd recommend checking it out: https://youtu.be/3gg1OS435UE
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