Physicist Reacts to What If You Fall Into a Black Hole?
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- Опубликовано: 5 окт 2024
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Original video by Kurzgesagt: • What If You Fall into ...
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You’re well on your way to becoming incredibly influential and motivational. You’re level of intelligence and ability to articulate is very impressive. Keep up the hard work brother.
Extremely kind words Trevor. Thank you so much. Just seeing your comment now and it really means a lot mate!
My understanding of black holes is that time and space kind of swap roles. Your space starts moving in 1 direction much like time does for us, but time flattens out and becomes traversable much like space is for us.
My lizard brain gets really confused when I try to think about stuff like 10^100 years
Your videos are amazing, keep doing them! I really like when you point out some things that are just theory or not entirely correct, It really helps a lot having an expert explaining Kurzgesagt videos. Thanks!
Man... save some jawline for the rest of us, it's hard out here.
You can train your jaw
No...
Hey dylan! Make a discord server... It'll be easier for us to report bugs related to your QAL VPN there!
Also you'll face no difficulty in finding those comments!
They make their videos based on already discussed topics with other physicists, why we get another physicist reacting to a THEORY.
Whoa whoa whoa... Albuquerque drive?? You mean, if I just take the left turn at Albuquerque I can make it out of a black hole??? Bugs Bunny is a GENIUS!
PBS Space Time has videos that do a pretty good job explaining Quantum Fields and the "virtual particle" stuff, it's still hard to understand, but I recommend you watch it to anyone interested.
Falling in a black hole…Sounds like a strange, fascinating, and beautiful way to die. Assuming there’s no pain.
You'd be long dead before any of that interesting stuff happens. You hear how he talks about how we can only see Black Holes because the friction of the particles speeding up to near infinity get so hot?
Yeah, you'd be burned alive long before you even arrive at the event horizon. And even if you did manage to get there, you'd practically be burning forever. So in a way, a black hole is literally hell.
Amazing series, always excited when you upload!
No matter how informative or empirical a black hole video is, the more I watch, I the less I seem to know.
Love watching your videos. Keep being you bro
Man..as a former student of aerospace engineering ....... And a big big fan of your thoughtp4ocesses along with kuzregast videos .......is just a 🔥 combination
Uwa😖, as a german I just got massive shivers run down my spine from the way you spelled kurzgesagt.
Btw, kurzgesagt is basically just a compound word consisting of kurz (=short/brief) and gesagt (=said)
So it means "briefly said" or "in a nutshell"
I really enjoy your content -- thank you!
i like to imagine that there is a universe out there opposite of ours. where white holes are as common as black holes are to us, and where black holes are only theoretical like white holes are to us. and their big mystery is were the matter is coming from versus our mystery of where is the matter going. its a cool thought that we can go to their universe through the black hole but wouldnt be able to go back
Those white holes could exist inside black holes. If space streches out infinitly in there, you might see the black hole as the "entrance" and white holes as the "exit" to universes. Though they might manifest completely different from anything we can imagine and are probably undetectable, or at least not by orthodox methods.
Similar to our universe which always expands. In those there are more black holes forming entrances to other universes and this could loop on for ever.
I am completley wrong though same as probably every other theory we have so far, but at least nowadays we are able to store those ideas for the far future, so people have something to laugh about there.
The answer is probably something so simple and obviouse that people will face palm themselves for not understanding it earlier.
The issue with that is that the matter falling into black holes can't go anywhere, because we know the mass of anything falling in adds to the mass of the black hole
12:34 that blue-shift you were talking about looks like it was put into the video at that point it just wasn't there for very long
Love how you embrace scientific humility. Knowing what we don't know inspires humanity to keep pushing science forward!
"[...] albuquerque drive [...]"
I almost inhaled my damn food.
Something I’ve been wondering recently is whether the universe is actually expanding or whether one of the higher dimensions proposed by string theory is creating the illusion of expansion to our limited 3-dimensional perspective
I'd love to see you react to some of Cool Worlds' videos, even though its explained well by Dr. Kipping, it would be very interesting to hear your takes on the topics he explores.
What happens to all of the light and other matter that gets flung off into deep space? Say there’s a black hole in the furthest galaxy from the centre of the universe and a photon gets flung away into the region with nothing there, does it just keep going forever?
Light travels forever, but it does eventually fade. Light is an electromagnetic wave that can travel through a vacuum and never lose its energy. However, when light passes through matter such as air or water, some of the energy is absorbed by the particles in those materials and converted into heat.
I've seen many videos about what would happen if you fall into a black hole, but I've never seen one ask whether crossing the event horizon is actually survivable or even possible. This is something I've been wondering for long.
Because you don't just teleport to the inside of a black hole, you cross the event horizon gradually. At any moment when you're half inside and half outside, wouldn't the 'connections' between the cells, molecules and even atoms on either side of the event horizon be completely cut off momentarily? Essentially causing you to enter the black hole in slivers instead of as a whole.
And what about extreme time dilation while being extremely close to the event horizon? Wouldn't that kill you due to your body part most close to the black hole experiencing time passing vastly different than the rest of your body?
Is it even possible to reach the event horizon without the black hole evaporating before you because time dilation causes your clock to be slowed down to such a degree that the black hole evaporates through Hawking radiation before you reach the horizon?
I don't comment often on youtube videos but these are questions that have literally kept me awake at times.
the horizon isnt a hard line where you suddenly speed up, a blackhole is like a planet, just a lot denser and with more gravity.... the closer you get the faster towords it you will move, but that is spread out farther into space, ie, your acceleration speeds up gradually, so you wouldnt die from passing an arbitrary point in space near the hole
Spacetime is still locally flat, even as it gets extreme. Think about it like this: a signal going from your feet to your head might still be getting closer to the black hole center, but you yourself are getting closer to the center faster.
No. You would not survive.
You'd be dead long before you got anywhere near the event horizon.
Imagine if entering the black hole is actually a way to exit our hyperplane
The way I understand it is that the "dip" in the stretchy sheet of space-time formed by black holes, at the event horizion, the slope for space is so steep that it becomes the planck length, resulting in time itself not having meaning anymore. The singularity I guess is the asymptote, but the event horizon is just the point on the curve where the derivative is too steep for physics.
Signed up, I'm an IT guy myself, while i don't have the patience to learn coding, I'm a Networks guy, so I understand the importance. I'd love a conversation about how this is going to be implemented at the layer 2, 3 and 4 level tbh, and at what level of languages we're talking about here (as in what constitutes a processor and BUS in a Quantum Computer and the bitrates we're looking at here).
Edit: strange that I had to use a VPN to even comment on here btw lol, as someone from the UK I had to change location to Down Under to even be able to comment!😅
Your videos are really amazing and informative... You are an inspiring person, it's just great to learn more about the universe from you....
Man, I'd love to see you on StarTalk Radio as a guest. It'd be an awesome crossover imo
GR is absolutely beautiful, I can't wait to learn differential geometry and tensor calculus and finally learn GR!! it's so cool!!!
Anyone reaching the center of a black hole will probably find some plastic trash in there.
If black holes are connected to another universe via white holes, then the two universes are in fact a single universe since they share the same space-time. But we haven't observed any white holes yet in our universe. Also, the mass of the object adds up to the mass of the black hole, so you not leaving anywhere. So this theory is improbable
Wouldn't be surprising somehow if it was a one way trip if that theory was correct
Why would white holes need to exist in our universe for this theory to be true? I'd assume it would be kind of like an hourglass, where there is the hole in the middle that stuff falls into, and then it falls into the other side. Everything that comes in at the top comes out at the bottom, but it's still the same surface. So basically the idea would be that every black hole leads to a universe that only has white holes.
@@EskChan19 So the both universe share same space time if it were to 'come through opposite side' , so both are the same universe as there is no distinction between them
Wouldn't the white hole in our universe be the big bang if they create the universe
@@kai7692 We don't know. Some say big bang was a white hole. We haven't observed any white holes inside our observable universe
About Black Holes
I recommend videos of “Astrum” or “The Science Clip”
Their contents are not too basic, but still explain in understandable ways.
Do the Fermi paradox next
Subscribed. I love this stuff 😍
You should react to "The science asylum", I think it might be interesting.
I have a few suggestions for your videos If you don't mind the unsolicited advice from a lighting technician, notwithstanding stylistic choices.
1. Put a white sheet in front of you and behind the camera, keep the light where it is but point it into the sheet to soften the light with more fill. Your face is a little hot, (overlit) and the camera lens is getting lightly flared.
2. Turn off your camera's autofocus or, depending on your space constraints, pull the camera back a bit. That way you can be animated with your hands without triggering an autofocus.
3. Get a tiny light behind you playing up to frame your hair and give your head more depth.
Thank you for the quality analysis and clarification!
Albuquerque Drive. I love it.
yeah, the reason you cant escape a black hole is that inside the event horizon things move faster than the speed of light, and in theory nothing with mass can move faster than light, hence, you cant ever speed up enough to get out, however, there are theoretical models for things such as an allicubere (not spelt right lol) drive which in theory would bend space around a ship in such a way (i think it expands space behind it, and shrinks it in front) that it basically causes the universe itself to push you faster than light, not by actually *moving* that fast, but by moving the fabric of space itself, a good way i look at something like this is, if you can move at X speed forward, and you surround yourself in a totally frictionless bubble, and outside the bubble you force space itself to move backwards at X speed, then you are effectively moving forward at 2x speed. so if X is "at or near the speed of light" then you are effectively moving in total near 2x the speed of light
which would in essense allow you to leave the event horizon... of course drives like this is purely theoretical afaik and by the time we could make something like that a blackhole will probably already be harnessed for energy tbh
I always assumed the reason you can't escape a black hole is because it would kill you before you could blink.
I 100% know that you know what you're talking about but I died when you said Albuquerque drive
"Albuquerque drives" you mean... Alcubierre drives? 🤣🤣🤣🤣
i don't think the hard part is making something that can escape black holes. just "simple" accelerate space to faster than c. the hard part would be what the definition of inside even means at that point as everything made from matter or energy and maybe even dark matter would be destroyed on a sub atomic level so the only way to be "inside" is to have a space time bubble around you but at that point aren't you not simply in some random normal space surrounded by space that is inside of a black hole.
What if the space in our universe that we say is expanding is accelerating towards the singularity of a blackhole we are inside in. Every direction we look at right now eventually points towards that singularity.
I literally laughed when you said Albuquerque drives.
Love that u are uploading so frequently!
Albuquerque drives made my day
Alcubierre Drive not Albuquerque Drive hahaha that joke killed me
13:00 speaking of ways to escape a black hole, do you think that ringularity of a Kerr black hole might be the gate to other universe?
Since black holes shrink over time while emitting Hawking Radiation, if some form of technology (maybe some sci-fi anti-gravity thing) allowed you to slow your movement toward the singularity enough to remain just on the edge of the event horizon, could you eventually "escape" by simply finding that your black hole shrunk enough that you no longer were trapped?
“Wrap your head around that” 😂😂😂
I’m still waiting on my Albuquerque drive.
Albuquerque drives lmao nice haven't heard that one 🤣
hell, i wouldnt mind like if you make a series on black holes if you want. lol
12:06 he tried to hold his laugh in 😂😂😂😂
Wouldn't the gravitational blueshift only occure when you are stationary near the black hole or accellerate against the black holes gravity? Since when you're in freefall the photons would essentally fall into the black hole with you so they should not be shifted?
Same thoughts!
This is how it would seem to a 3rd party observer who remains stationary in relation to the black hole.
But the speed of light being a constant regardless of your reference frame means there is no relative speed. Even if a person was moving towards the horizon at 0.99C, photons will not move "with them" and, but still impact them with a full 1C regardless. Which would actually result in even more blue shifting to the person who is falling towards the horizon.
They do have a video about the Information Paradox, you should check it out.
I watched all 28 minutes and I have no idea what was said because I was too distracted by the BEAUTY what the hell
You really should watch the "ScienceClic English" channel as well. It explains physical concepts so well, partially by using great visualizations.
Short answer from a layman with only a rudimentary understanding of black holes: nothing good.
The more I hear about Singularities the more they sound like an elementary particle.
You should try reacting to ScienceClic stuff, they also have a video showing what happens when you fall into the black hole but also many other great videos.
Did he seriously just say an "Albuquerque drive"? I'm fairly certain it's Alcubierre drive..... lmfao
Thank you for the video.
PBS Space Time has a video explaining Hawking radiation in QFT terms and another about how it’s a specific case of horizon radiation. Well worth watching.
Edit: It makes sense that a rotating black hole should become increasingly unable to gain angular momentum as it spins faster until it reaches an asymptote at which infalling matter can only remove it, never add more.
For the lag thing, it's clearly the video recording making it lag. So here's what I suggest now:
Do NOT record the video + webcam.
Just record your webcam and then put the video in the montage itself. This should be less strain on your CPU and more enjoyment to us :)
Harder to edit though he has to stop the video when he talks
@@reino1234 Syncing is easy.
Would your eyes even be able to see under all that gravitational force? Like, structurally
Please keep reacting and explaining further in Kurges^%^$&^%* videos! :D
28:27 kugelblitz right there on the right
We could gravitate very close to the Black hole and accelerate enough by his gravity that we could get ejected out of it like interestellar
First ten numbers
(0, 1, 2, 3,...9)
First ten dimensions
(0D, 1D, 2D, 3D...9D)
Newton:
"0 is contingent/not-necessary" 🚫
and
"1-9 are necessary" 🚫
(this is the basis of Newton Calculus/Physics/Geometry/Logic).
Leibniz:
"0 is necessary" ✅
and
"1-9 are contingent (on their predecessor with the exception of 0)" ✅
(this is the basis of Leibniz Calculus/Physics/Geometry/Logic).
[Info on Zero]:
Is zero the most important number?
Zero is the most important number in mathematics. Zero functions as a placeholder.
Which is the greatest whole number?
Every whole number has an immediate predecessor, except 0.
(A decimal number or a fraction that falls between two whole numbers is not a whole number)
Is 0 a rational number?
Yes, 0 is a rational number. Since we know, a rational number can be expressed as p/q, where p and q are integers and q is not equal to zero. Thus, we can express 0 as p/q, where p is equal to zero and q is an integer.
Is 0 A whole number?
The whole numbers are the numbers 0, 1, 2, 3, 4, and so on (the natural numbers and zero). Negative numbers are not considered "whole numbers." All natural numbers are whole numbers, but not all whole numbers are natural numbers since zero is a whole number but not a natural number.
Why is 0 a good number?
Zero helps us understand that we can use math to think about things that have no counterpart in a physical lived experience; imaginary numbers don't exist but are crucial to understanding electrical systems.
Zero also helps us understand its antithesis, infinity, in all of its extreme weirdness. 🔘 ♾ ☯️
What 0D looks like?
Zero Dimension (0D): A point which has no dimensions. It has no length, width, or height. It has no size and tells about the location only. We usually represent it by a dot.
Does 0D exist?
There exists only one connected 0D shape: the point. This is the member of all shape families with a zero-dimensional member; this makes it the zero-dimensional hypercube, hyperball, cross polytope, as well as the only zero-dimensional rotatope and toratope.
[Newton vs Leibniz]:
Do you agree with Newton that "0 is contingent" and "1-9 are necessary"?
Newton was a fraud and a moron. Clearly (shown) his logic is flawed at the fundamental level.
(9 is contingent on 8,
8 is contingent on 7, and so on with the exception of 0; necessary)
So why are we learning Newton's backwards Calculus/Physics/Geometry/Logic?
[Newton vs Leibniz Calculus]:
What is the difference between Newton and Leibniz calculus?
Newton's calculus is about functions.
Leibniz's calculus is about relations defined by constraints.
In Newton's calculus, there is (what would now be called) a limit built into every operation.
(0D entirely disregarded, 1D-9D "empirical" only; no correctly defined dimension above 3D)
In Leibniz's calculus, the limit is a separate operation.
(0D necessary and 1D-9D contingent).
6:30 SPHERICAL GEOMETRY!
In special relativity nothing can travel faster than the speed of light, therefore is it correct to say that you can't really cross the event horizon or fall past it? Only fall closer and closer to it.
How can a black hole die in 10^67 years if its being fed with mass?
There's a 360 simulation on RUclips, I couldn't watch it more than 10 secs let alone look around lmao
00:14:28 apart from the small part of the black hole where there is a tiny spot of universe behind you. isn't that direction away from the singularity?
00:14:24*
1:30 (Physicist RUclipsr opens up a black hole 🕳 on their computer screen)
From an outside frame of reference, as a star collapses to form a black hole, the collapsing matter should appear to slow down as it approaches its Schwarzschild radius (by the exact same reasoning as watching something fall in from outside). How does the matter inside the black hole spin/rotate if the rate of time in that region of space approaches zero? (again, still from an outside observer's frame)
Im just wondering if blackholes are so strong that it affects time and space itself would it be possible like to theorize a mirror effect? If a person manages to reach the inside of a blackhole where singularity exist everywhere, the said person will not be able to exit the blackhole but is ejected to a similar version of our universe through a white hole which is located at the exact point in our universe as the blackhole.
What if you make entangled particles and send one of the pair into the black hole? Can you use the other particle to take measurements and probe the black hole, beyond the event horizon, maybe even the singularity itself?
It would depend largely on the solution for the information paradox. But without understanding that, we have no clue tbh
So...if a black hole eventually radiates away into nothing, wouldn't the gravity reduce to a point where the "internal" pressure pushes mass back out...almost like a white hole? I would have thought a singularity was a one-way street...ow, my brain hurts...
These topics are ones in which you have to stop and remind yourself that these are REAL, not just brain food.
Informative video, question though. Why do you go from a regular talking volume to whisper?
00:12:50 you could quantum tunnel out, or warp spacetime in a way to push you out of the black hole
true
OK, this is maybe unrelated maybe kind of not. But I was just waking up for the day getting my thoughts going when it occurred to me that if anything that could fit anywhere was to actually be placed every where that It could, pretty much everything would destroy itself because you have so many Things going where they fit but don’t actually belong…
… which makes me think, anything that can happen doesn’t actually happen.
Rather,It’s more like anything that can happen did happen already.
What do you think I don’t know
The part that puzzled me a bit is the death for "spaghettification": does fabric of space affect matter? I have this mental image of the Mercator projection of the world, when someone drags Greenland to the equator to show it's not that big: the land doesn't change, just its projection in space. Maybe one wouldn't die, in a black hole? Maybe they would be stuck in this stretched space-time, getting bored? Maybe I'm asking a too big of a question for someone with a RUclips-level of astrophysics knowledge 😅
1:47 They're Spinning Ball of Madness
What if when you fall into a black hole you just fall infinitely? Falling forever and ever...
Apparently you never reach the singularity. There's a video made by SEA called "The other side of a black hole". Strongly suggest you to check it out.
@@LukeD02 But what CAN reach the singularity is a Lazer. (Yes, really) If you are inside a blackhole and pointed your lazer, it'd bend 45° and hit the singularity. If you pointed your lazer at the black hole but you were not in it. It'd bend past the universe into infinity.
Funny how you became a Chad when you changed studio
I've recently become a fan of your channel.... Thank you for making science sexy again. Lol
He should react to the RUclipsr Riddle instead for “what would happen if you fell into a black hole”
Only thing I learned is that this man hates fridays
Get bent, light!
Re: the visuals with falling into a black at roughly 8:20 - that's actually wrong. What is being depicted on screen would be true with a static observer - someone who's just floating in place. However, with a falling observer (which would also be any observer below the event horizon), black hole shadow will only ever take up half of your field of view, as the universe above you gets more and more stretched out looking the closer you get to the singularity. Remember - at that point, you're literally falling WITH light that has been captured. There are many simulations elsewhere on RUclips that show this.
Hey could u do melodysheep time-lapse of the future video ?
I get mogged anytime I see bros thumbnails
Would the white hole produce enough matter to be the equivalent of a big bang to a new universe?
A very handsome physicist reacts to random science related videos, the youtuber
I thought the GRB were the champs of brightness?
You should check out melody’s sheep channel. I think it’s right up your alley
There was like 15 ads in this video ..