Michio Kaku: A Black Hole in Our Own Backyard? | Big Think
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- Опубліковано 7 чер 2024
- A Black Hole in Our Own Backyard?
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Dr. Kaku addresses this question from DeborahC: Astronomers discovered what are believed to be the largest black holes in the universe. Now it’s possible that they may have found the smallest. What's the Significance?
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Michio Kaku:
Dr. Michio Kaku is the co-founder of string field theory, and is one of the most widely recognized scientists in the world today. He has written 4 New York Times Best Sellers, is the science correspondent for CBS This Morning and has hosted numerous science specials for BBC-TV, the Discovery/Science Channel. His radio show broadcasts to 100 radio stations every week. Dr. Kaku holds the Henry Semat Chair and Professorship in theoretical physics at the City College of New York (CUNY), where he has taught for over 25 years. He has also been a visiting professor at the Institute for Advanced Study as well as New York University (NYU).
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---------------------------------------------------------------------------------- - Наука та технологія
I'm fairly certain that if a black hole came wandering into our backyard, a policeman would just shoot it dead, no questions asked.
Edward V Why they got to call it black hole. Why not white hole? RACISM IS STILL ALIVE!
Edward V
nice :)
***** actually there is no racism coz in theory white holes also exist
***** same was said about black holes.
All Blackholes lives matter
3:22 - "there's glass inside your glasses." Yes, yes there is.
00:27
"Go out side, look at the direction of Sagitarius"
And where is exactly this Sagitarius, mister??
Well, you would want to be able to see it first. So, you would want to be in a relatively dark location to see the Milky Way. The center of the Milky Way will appear as a bulge in the cosmic dust with a bright light crackling through. The Black Hole will be in the center (although you won't be able to see it).
The Sagittarius constellation will be near, in the southern sky. Usually to the left of the center of the Milky Way. They will appear as an Archer facing the constellation of Scorpius. Usually depicted as a Centaur with a bow, but it was originally thought to be an Archer standing straight with his bow.
If you know the constellation Orion, Sagittarius and the galactic centre are in the opposite part of the sky to Orion.
Cosmopolitan hahhhaha
LOL good question XD
Well obviously in the direction of the galactic centre, you dum dum
I read all of his books in his voice. It is awesome.
It is my life goal to just comunicate with this amazingly super genius. And possibly the best physicist of all time ?!!!!
me too
I would say that too but I don't think I deserve it yet, he would think I'm so boring
What a delightful story.
I have to admit, this guy is amazing at understanding complex ideas and putting them into a easy to understand analogy!
Fantastic video. Thanks.
i miss people like this guy that actually do something in their lifes
they're still out there, don't generalize us just because you're too dumb to notice anybody else.
i wanna hear about white holes, not black holes
they call it black hole because they steal everything even light
How about ass holes ?
hey doo doo mouf, no one wanna hear that shit
Tuna Toon ok ,so white holes r also existing in theories, they r opposite of black holes and throw matter out. but not proved yet.
white holes do exist
Real nice way of explaining.
michio kaku is awesome. Thank you for these great videos
I think that black holes are not only black holes. They are black holes in one side and white holes in the other side.
Carpe Diem old myth
+mohit bidhu *New theory is what you mean.
And That Nonsense Sometime Called As Wormhole!
welp we'll be long dead before a blackhole gets close enough to destroy. I'll let my super advanced descendants worry about that stuff
manninla and that’s how global warming happeneds
i have seen no one clearing concepts so efficiently as Dr. Kaku does.
thank you for giving us hope.
a black hole is *black*
I'm enlightened
Black holes are good.
Orange man bad
This is proof that ignorance is bliss. Now I'm paranoid af
Dont worry, the sun is gonna die in about 8 billion years, in a few hundred million we are merging with the Andromeda galaxy, thats if we dont get smacked by a meteorite like what happened with the dinosaurs
Jonas Gregor I don’t think your comment eased his paranoia in the slightest 😂
finally Michio Kaku for whom i subscribed to this channel
i just luv tht man
well running is an option but alpha centauri is 5 lightyears away and kepler 25b (or was it glise 851) is 20 lightyears , how far could we go before it catches up ??? really interesting thing to think about ...
Can you imagine waking up in the morning and when you looked up into the sky, the sun isn't there anymore...
Deo Gratias I think the first thing you would think of is that the clocks are wrong. Then after a few hours you would start to worry.
How would you know if you can't see anything? You'd think you're blind, not that the sun is missing. GOTCHA!
Nesrocks Gaming Videos there are other light sources other than the sun you know... like lamp for example... or your phone...
Yeah I know, it was just a joke :) It would actually be "still night" and we can see at night just fine.
Deo Gratias how would you know if it is breakfast or day time for that matter?
And I wonder why I drink .... end of comment .
Peter Meissnitzer enjoy life is the message,
this man is not only brilliant, but also has a talent for teaching!
Yes master thanks for your teachings. After 10+ years of seen him on tv.
قال الله تعالى:
وَالسَّمَاءِ وَالطَّارِقِ (1) وَمَا أَدْرَاكَ مَا الطَّارِقُ (2) النَّجْمُ الثَّاقِبُ (3)
Holy Quran:
the sky and the knocker - 86:1
And what can make you know what is the knocker?. 86:2
It is the piercing star - 86:3
Nikola Tesla
I'm pretty sure YOUR god, wouldn't want you to be cursing at others you damn tesla cultist
your reaction shows that you are completely 100% an ignorant who knows nothing ... LOL
I only watch Bigthink for this guy, so interesting and yeah wish he taught my science class
I love how he just casually describes the possible end of all human existence with a smile on his face and a gleam in his eyes.
It's chilling to think about how vulnerable we are to all manner of space phenomena.
Could listen to u school me all day. Ty
Hey Michio, what happens if two wandering black holes or if galaxies collide with one another would their be different outcomes.
Michio Kaku has such an awesome job: Making science interesting to the most of us who don't understand any of it.
The music at the end makes eeeeeeverything better
hey doctor, I don't know if you watch this channel, but here's a question; can light that is bent around a black hole and sent back in the same direction be captured to give us a picture of the earth sometime ago?
The matter that forms and feeds a singularity breaks down to a point where it's not even considered a phase of matter... but obviously it still generates gravity, as a black hole can grow as it "feeds", increasing its' gravitational signature. If the... stuff... that forms a black hole still interacts with gravity, even if it's not classical matter in any way we understand, that means that it must still have mass. Weight is the interaction of gravity with mass, and so, a black hole has weight.
This made my day
does Mr. Kaku make these videos exclusively for UA-cam or are they redirected from somewhere else?
so, is waster invisible ?. since the light reflects the water and we can see the water and the bottom of the surface on some of the oceans taht are clean water?
how do u spell it so i can search the thing on google then later on i can do that
Yeah, it did occur to me after writing the comment, but thanks for the explanation anyway! :)
I think he's the most respected physicist in this world! There are so many physicists out there in this world but he's the only one who could actually explain these complicated stuff in logical, layman terms!
oh okay i just looked up what a quasar is, makes sense :) thank you for your comment!
Question: What makes a black hole end or are they ever lasting?
more Kaku please ^ ^
OFMG my parents took my Michio Kaku book : paraler words :DDDD without even knew that i watch his videos !!! im very happy :) love you Michio
this is the only reason i subbet to this channnel
Michio I have a question, as a physicist do you touch on all "sub genres" of science in your work?
Nice tie
When dust clouds are swallowed by black holes, they get pulled REALLY hard. That pull causes friction, which in turn heats the gas up until it emits light.
At least I think it's something like this, but yeah. The black hole itself isn't emmitting the light, the stuff it swallows is.
OUTSTANDING.
thanks for the scary knowledge Sir.
Interesting question! hope you get an answer
Thanks for the correction. And yes I agree with your reasoning
i think the singularity at the heart of a black hole is infinitely small and infinitely dense, but the event horizon area around it can be quite big, as it is with supermassive blackholes at the heart of galaxies.
A black hole is less a function of mass than density. The important factor is the warping of space/time. So a black hole could be smaller than a star in mass, provided that the mass is all tightly compacted into a singularity.
One thing for sure it would suck if there was a black-hole big enough to swallow Antares, or even multiple galaxies at a time, but then again what would happen, what by enter a one of them it alter human abilities, but drastically similar to being on the floor compared to the moon you weigh less thus jumping higher. Be interesting to what would happen if its non-threatening.
Finally nice to make acquaintance of someone with a smart mind.
"Mini black holes . . . Weigh a few times more than our sun."
Man the chills going down my spine
You don't hear the words in your head when you read e.g. a book? Well that's what he meant. For example when I read a Discworld novel the voice in my head doing the storytelling sounds different than the voice of e.g. Rincewind saying something in the book, Death has again another voice when I read passages where he speaks. So when he reads Kaku's books the voice in his head sounds like Kaku.
Well motion is relative. Think of some of the many ways we move around: earth orbiting the sun, our system orbiting in the milky way, the milky way traveling through space, and the universe itself expanding. It's a lot easier to think of if perhaps everything else is moving by.
So how long time can it be til it comes? :(
Scary shit man!!!
Crazy question here but does a black hole have limitations? What would happen if it just continued to grow for long periods of time, would it implode or something?
I... I.. have to stop watching videos like this I won't sleep for a week
will you please tell me what would happen if two black holes met? please :)
Aha!!, The biggest takeaway for me from this videos is the fact that "there's glass inside your glasses"!!
I love how he says this, with a smile..
Acting as if he just ended on a positive note.
anybody knows, what if 2 wandering, or any other black holes colide?
Well, I wouldn't call it a failing. What does it even mean for one point object A to overlap a point O for an instant in time, and experience "infinite gravity"? This kind of singularity isn't so bad, since the rest of the path of A is consistent and you can just "fill in" the missing dot if you want. It's like how the function f = 2x/x is undefined when x = 0, but the rest of f evaluates to 2, so you can "complete" f by setting f(0) = 2.
Also If they do travel faster than light and one is coming right at us, wouldn't we never see it coming as it would be moving faster than the distortions in light we need to see to detect it?
The Greatest Breakthrough In 21st Century Science @3:21. Kaku is a genius. Nobel Prize ALREADY!
You never cease to give me reason to fear for my life
bigthink : can you ask Michio Kaku if black holes can expand or if these things have a life ? can dissapear/die ? are black holes(power) fed by absorbed matter ? i guess no one knows but at must be at least a theory ..TY , waiting reply
Anyone else pictured a menacing black hole sneaking up behind you and going :"BOO!" @3:57. Or was it just me?
Yes it's a bit weird but that's because kaku is one of the few scientists trying to explain things to people who for example never studied anything to do with physics and do not have the vocabulary to make it easier to explain these things to them. Outer space is the laymans term in this case for interstellar and intergalactic space I think. iow outside any solar system, and yes there is a big difference between these 2 spaces. near stars space is less vacuous has solar winds etc.
They actually evaporate slowly with time, when the matter consumption is outweighed by the evaporation rate.
They have actually done studies on this. Physicists believe that they will either combine or fling themselves away from each other. It is actually why some of these wandering black holes are suspected to exist. One black hole passing near another ejected it from its resting place.
What university is that?
That was my reaction, almost literally. I saw his pic/name and went "YES!! WHAT'S HE SAYING NOW?!"
when I did my first solo scuba diving, in around 19-22m (metric) I guess i was scared, as i was going deeper an deeper the light was vanishing and colors also, i felt scared and strange at the same time, i would love to feel the space around me wearing a the fantastic suit……..i would go with no 2nd thought
i love this man so much.
Could light builds matter in fact spotting a full spectrum light on a black hole or carbon dioxide give light mass properties
Hi! Dr. Michio kaku, here is a question :- Are black holes actually wormholes or something similar as nothing escapes from it and perhaps gets transported into higher dimensions or other universes? (I think Black holes are the edge of that point where things gets transported/teleported into other dimensions/universes. And also its pitch black because there is nothing because everything got teleported)
Probably just a placeholder for new energy at some great future. Your personal info would be irrevocably lost in the process. Wormholes are a totally separate theory.
Everything in the Universe is moving due to Universe expansion, its just that some things expand faster than others. So the "wandering black hole" has a set trajectory that is harder to skew than most trajectories due to its massive center of mass. Our galaxy, and Earth in fact, is moving a lot faster than one might think. Sure we rotate/orbit around the sun but our solar system is on the same trajectory as our galaxy, even though we orbit around our own black hole.
Correct!
It would be amazing to find out what's on the other side of a black hole,and if we're orbiting a black hole does it pull solar system's as well in which case i we are in orbit won't we all eventually sucked up by the black hole
Here's a thought... could what people think are ghosts just mini black holes? ..like he said they're invisible but distort light ... how often do u hear people say I saw a ghost and when they describe it, its's just like a white light for only a few seconds. Could bit be they're actually seeing small black holes passing via the earth?
Waaaaay cool!!! I love Michio!!!
They can calculate the mass of the black hole by measuring the distortions. They can measure things about the stars behind the black hole's path. Through calculations, they can determine the mass of the black hole. They also see phenomena like gravitational lensing, which can produce 2 images of the same galaxy(or star) that is directly behind the black hole. But yeah, I guess it could be some really massive machine that has the same properties as a black hole from our view. Unlikely though.
one more thing about black holes if our universe can be discribed as a sheet of spacetime then suppose you have multiple sheets and that a blackhole is a point in which gravity has become so great that it has cause two of these sheets to coinside or merge if only at a point with each other?
easy way to understand. put a stopper in your kitchen sink. fill it to the brim. color the water dark enough to not see the drain. unstopper the drain. and put your hand near the drain. you can't see the drain, but you can't feel it. its similar.
Our universe is so amazing. Thank professor Michio Kaku.
I subscribed to him Michio Kaku because he makes all sorts of science understandable to the regular human brain.
lol, besides the being torn apart aspect... The pull of the earth would hold you down as the black hole pulls on you tearing you apart....
Now I'm paranoid about wandering black holes
can't we use energy or store energy from black whole
link to the pics
quite true
someone else answered in a more complex matter, and said in closing they thought it was more belief then anything esle. partly true. we believe that's the case based on what we know so far.
put simply:
what causes light? energy/heat
what causes enregy/heat? friction
what causes friction, movement of particles against eachother
thus the accelerated movement of objects being drawn into a black hole creates the light due to increased friction. it's not made by the hole, it's a symptom of it.
I swear I learn more high watching these videos than I do at University.
AMAZING. seriously.