Science & Technology
Astrophysicist Explains Black Holes in 5 Levels of Difficulty | WIRED
Astrophysicist Janna Levin, PhD, is asked to explain black holes to 5 different people; a child, a teen, a college student, a grad student, and an expert. Special thanks to our host Janna Levin who’s literally written the book on black holes ‘Black Hole Survival Guide’ more science and space insights follow Jann on twitter…
Science & Technology
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Binance founder, Changpeng Zhao, pled guilty to failing to maintain an anti-money-laundering program. He’s now been sentenced to four months in prison and agreed to pay a $50 million fine. Between Binance’s money laundering and FTX’s fraud scandal, can crypto be trusted now that these bad actors are in jail? Some folks view crypto as…
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Peter Nooteboom
March 24, 2022 at 8:07 pm
“I know more and less” is such a profound statement that so many people have trouble realizing.
Ethan
March 25, 2022 at 1:10 am
Do you mean the phrase “more or less”?
Nikki Tenbrink
March 24, 2022 at 8:08 pm
I love the college student’s voice. Super vibrant and strong.
xSawl
March 24, 2022 at 8:08 pm
That’s a smart kid. I was kind of a toolbox at that age.
Mia 💖𝓕**СК МЕ - СНЕ𝓒𝓚 𝓜𝓨 Р𝓡0𝓕𝓘𝓛Е
March 24, 2022 at 8:37 pm
My view of gravitational objects is that if they are collapsing uncontrollably, then they will do so all the way to the virtual particle level. At some point or other when they run out of new matter to fuel them the collapse becomes inefficient, and its just a matter of time before that dense mass flattens and evens out over space until the distortion is space is minimized (but never totally eliminated).
Riley Based
March 24, 2022 at 8:49 pm
squid games fit
TheCacophony
March 24, 2022 at 9:12 pm
I love that 90% of the people in this video are women.
memlordanny.
March 24, 2022 at 9:17 pm
LETSS GOOO JOYYYYYY
Monkeybuji
March 24, 2022 at 10:44 pm
DANNYYYYYYYY
Ian Chivers
March 24, 2022 at 9:49 pm
She said that the universe isn’t old enough to account for the size of some black holes. Can someone expand on that?
Ντένη Μαρκορά
March 24, 2022 at 9:54 pm
Black holes are flat.
asksearchknock
March 24, 2022 at 10:06 pm
Reminds me of “the science of interstellar” book by Kip Thorne
Tony M
March 24, 2022 at 10:20 pm
Go Clare! I love you <3 You're SOOOO pretty :heart-eyes emoji:
Grump
March 24, 2022 at 10:23 pm
omg her again? thanks for bringing her back!! love her <3
blank
March 24, 2022 at 10:30 pm
The grad student needs to start a science YouTube channel! She’s got the brain and the look to do it..
A'Diana Whitworth
March 24, 2022 at 10:50 pm
SHE’S BACK!!!!
whatsapp±①⑧①③⑨③⑨①⑧⑦⑤
March 24, 2022 at 10:52 pm
*👆👆👆Thanks for watching send a direct message right away on the above number immediately ☝️☝️for more ❤️❤️ enlightenment••••*
ferbobian
March 24, 2022 at 11:49 pm
This is very cool. 🙂
smyger
March 24, 2022 at 11:52 pm
I’m more a fan of the human kind of black holes. Urologists would agree.
materia79
March 24, 2022 at 11:52 pm
10:00 I would say it (the stars core mass) goes directly into the future due to gravitational time dilation. The singularity and the event horizon is what remains.
Stratomacaster
March 25, 2022 at 12:11 am
So let’s figure out how to put a black hole through a fuzz pedal! 🤘
Geri Ott
March 25, 2022 at 12:17 am
If only religion wouldnt rot so many people brains and push them against science. How many people reject evolution big bang etc. just cause they wanna keep they mythologies, sad.
ravenchain85
March 25, 2022 at 12:30 am
This is the one I’ve been waiting for with these
Oualid Shentouf
March 25, 2022 at 1:05 am
2:31 it’s rather Meters/s not Km/s * lol
Rabiosa- 🔥𝐆𝐨 𝐓𝐨 𝐌𝐲 𝐂𝐡𝐚𝐧𝐧𝐞𝐥 [𝐋!𝐯𝐞]
March 25, 2022 at 1:13 am
My view of gravitational objects is that if they are collapsing uncontrollably, then they will do so all the way to the virtual particle level. At some point or other when they run out of new matter to fuel them the collapse becomes inefficient, and its just a matter of time before that dense mass flattens and evens out over space until the distortion is space is minimized (but never totally eliminated).
Ivo Willems
March 25, 2022 at 1:16 am
Job will pay your bills, business will make you rich but investment make and keep you wealthy, the future is inevitable.
Charlson Robin
March 25, 2022 at 1:20 am
All thanks to my aunty who introduced him to me
Gabriel Pereira
March 25, 2022 at 1:21 am
who’s this professiosnal everyone is talking about ?
Gabriel Pereira
March 25, 2022 at 1:21 am
For people to talk all this good about him, he must be an expert, please how can I get in touch with him
Gabriel Pereira
March 25, 2022 at 1:21 am
hello anyone there?
Alicia Bennett
March 25, 2022 at 1:27 am
@Gabriel Pereira seeking for his contact details 👇
Rajesh Asiwal
March 25, 2022 at 10:40 am
That person of expert level gives full on Einstein vibes
Dinia Adil
March 25, 2022 at 10:41 am
That was way too hard of an explanation for that kid and he somehow managed to understand
whatsapp±①⑧①③⑨③⑨①⑧⑦⑤
March 25, 2022 at 11:33 pm
Hit me up 📩🚀🚀👆✍️
DKexpat
March 25, 2022 at 10:58 am
Even a women astrophyicist needs botox lol wtf.
Christie- Go To My ChanneI! L!VE NOW
March 25, 2022 at 11:38 am
My view of gravitational objects is that if they are collapsing uncontrollably, then they will do so all the way to the virtual particle level. At some point or other when they run out of new matter to fuel them the collapse becomes inefficient, and its just a matter of time before that dense mass flattens and evens out over space until the distortion is space is minimized (but never totally eliminated).
Dae Nite
March 25, 2022 at 1:37 pm
Bot copied comment, report and ignore
Jeroen
March 25, 2022 at 11:40 am
Don’t think I trust an astrophysicist with lip implants.
mike wedgwood
March 25, 2022 at 12:48 pm
The youngest girl is very smart she is gonna be a force
[EVANCA]-T[A]P Me!! To Have [S]EX With Me
March 25, 2022 at 12:54 pm
I reeaally love this series. Really shows every differences between every human which really interesting
C0d0ps
March 25, 2022 at 1:16 pm
Commenting for youtube algorithms1
Josh Payne
March 25, 2022 at 1:24 pm
This was great! I wish Susskind were get more credit when talking about the holographic storage of information though. You only ever hear about Hawking, and he was the one who was wrong about information not being saved.
Dencio M
March 25, 2022 at 1:36 pm
I am at the CHILD level but her explaination still feels like EXPERT level to me. Is there a low category for me 😵💫
Chris Ducat
March 25, 2022 at 3:43 pm
Just a delightful way of showing how education works 🙂 this is why we need to pay teachers more, because there is no “one size fits all” when it comes to educating children and also adults. Everyone has their own way of learning, and it changes throughout your life.
jouhannaud jean françois
March 25, 2022 at 3:58 pm
that little girl is so smart
ATGG
March 25, 2022 at 4:18 pm
Ok ok ok. You CAN NOT explain a Black Hole to a Kid. That kid might faked it, but when she started talking about supernovas and stars exploding, etc. etc. the kid lost it. And it’s completely understandable. Many Physic majors don’t even know or can describe what a Black Hole is, imagine that kid trying to understand all these terms and how it works. Come on
Izzwan Izzwan
March 25, 2022 at 4:36 pm
i give up at 5:23
Jr Morales
March 25, 2022 at 5:26 pm
We need more series of her
Ed Molash
March 25, 2022 at 5:27 pm
Fantastic and fascinating.
itstyleru
March 25, 2022 at 5:47 pm
Lol, I legit thought the kid in the thumbnail was going to be the Astrophysicist.
Sam Maurício-Muir
March 25, 2022 at 8:49 pm
Omg, Janna Levin is honestly the BEST
verif
March 25, 2022 at 9:28 pm
To the 0.001% reading this: Even though I don’t know you, I wish you the best of what life has to offer 💓
Smiley
March 25, 2022 at 9:28 pm
To the 0.001% reading this: Even though I don’t know you, I wish you the best of what life has to offer 💓
WOODA Reclaimed Wood
March 25, 2022 at 9:35 pm
I feel all my knwledge of black holes was in the child level
Steven Smith
March 25, 2022 at 10:12 pm
Great stuff. Very well done.
Leah A
March 25, 2022 at 10:36 pm
when did this become a science channel
Rute Maluma Dance
March 25, 2022 at 11:16 pm
Ok the child level was already good for me 🙂
Reubs Walsh
March 26, 2022 at 12:38 am
I wanna know where she got her cool jumpsuit
TheHipOne
March 26, 2022 at 3:34 am
Astronomy is so cool it’s literally just universe lore
Nicholas Silva
March 26, 2022 at 4:53 am
Nice try, but, fail. 👎🏼
Mark Dailey
March 26, 2022 at 5:06 am
Her responses were so inaccurate and redundant it blows my mind. She talks about gravitational waves as if we really know how on a Quantum level the elctron field of the universe interacts to cause those gravitational disturbances. She talks about gravity and black holes as if electrons don’t exist. And as if Quantum field theory is negligible. Gravitational le sing and hawking radiation are great ways of seeing backhoes. Any start with a mass 1.4 X the mass of our sun will supernova and create a black hole. There can also be backhoes the size of tennis balls flying through the galaxy that we would never even see unless they hit something or pass near enough to earth to cause disruptions or disturbances in the local membrane of space. We know how black holes form we know what happens as you approach we know that blackholes can merge to form superlative black holes at the center of every single galaxy. Which by the way the milky way is extraordinarily large with an astound black hole at the center. We know they will all fizzle out with the heat death of the universe long before the last ironstars begin to collapse. There’s no mystery about black holes forming so large we can’t figure out how they came to be. She’s just misinformed or lying or playing it up for drama or maybe she simply is too ignorant to understand the true nature of singularities. If you want actual scientific information on Quantum field theory of astrophysics check out the PBS YouTube channel SpaceTime
Obi-Wan Kenobi
March 26, 2022 at 6:13 am
… so what phd do you have to back up your data?
HBM
March 27, 2022 at 9:53 am
So you are a professor in this subject?
Ash A
March 26, 2022 at 5:32 am
It’s just refreshing to see someone other than Neil Degrasse Tyson doing this.
It's The Steve Show
March 26, 2022 at 5:47 am
“I am smart, let me show you”
JDH
March 26, 2022 at 6:52 am
A great video, but this person never talks to children.
D C
March 26, 2022 at 8:16 am
So interesting, wow
Ryan
March 26, 2022 at 10:12 am
The Level 4 Grad Student lady reminded me of a Deer.
Pranav
March 26, 2022 at 10:37 am
7 nation army huh……………gurl of culture
Priyanshu Mahato
March 26, 2022 at 1:50 pm
The funniest word I came across while studying about BH was: “Sphagettification”. For some time, I coulldn’t even believe that that was an actual word! Until the internet confirmed it ofc! 😂🤣
spiegel
March 26, 2022 at 5:14 pm
How does she have conversations with her husband – who is just a singer-song writer – without thinking he is so far beneath her in intelligence? You’d think she’d be more suited to a professor like the #5 person interviewed.
David Jameson
March 26, 2022 at 8:47 pm
Didn’t they already cover this topic on a previous episode?
Henry Blyth
March 26, 2022 at 9:10 pm
16:59 is it possible that space expanding has caused the size of these supermassive black holes? Because if they are primordial, then there’s been 14 billion years of the expansion of space?
Levi Tillman
March 26, 2022 at 11:06 pm
Claire is almost a PhD 😒
Levi Tillman
March 26, 2022 at 11:07 pm
Sad
theBOSpaladin101
March 27, 2022 at 9:02 am
16:16 is honestly so funny. Talking about 14 billion years as a short period of time. It’s crazy, because for us that time is almost incomprehensible. But for the amount of time for black holes to be created, and the specific one they’re talking about, it’s not at all. Still is funny to hear be said lol.
T. Bailey
March 27, 2022 at 12:01 pm
My question is why does this matter? We gonna be dead when it occurs. And by we I mean humans period.
Terry Lin
March 27, 2022 at 2:32 pm
高雄发大财💰
Vyc Majoris
March 27, 2022 at 2:33 pm
If you like Janna, I encourage you to watch her episodes in Startalk channel. She’s been there many times.
The Bud Boss
March 27, 2022 at 4:07 pm
These are the videos I come to youtube for. Gosh, I didnt want this one to end.
josiie
March 27, 2022 at 6:42 pm
whenever i see videos abouts astrophysics i’m always excited and a little bit sad! it’s always been a field i’m super interested in but i ended up going down a totally different path in academia. i always wonder if i could actually go down that path eventually because i’m still so passionate about it, but i feel like i’m too old and waaaaaaay too ignorant to actually do it 🙁 it’s still amazing to hear about all of this though. i love black holes
Andrew Lynett
March 27, 2022 at 8:33 pm
More astrophysicists please! Thumbs up loved the video
Karla
March 27, 2022 at 9:12 pm
i like how once she gets to the expert it becomes more of a conversation rather than a lesson
Kayla Stephanie
March 28, 2022 at 1:09 am
❤️ Hermosa eleccion 4.FO/Elizeid de mejor
1 (elecciones ) 9.9/10 2 ( culturales ) 9.7/10
Son unos de los mejores conciertos
, no-puede-ir-pero-de-tan-solo verlos
desde pantalla,, se que estuvo
Sorprendente .
God Itchy
March 28, 2022 at 3:53 am
I thought the child explanation would be like ‘A black hole is a big scary black circle! You will never get out of there if you’re sucked into it!’ But than she starts bringing up thermo nuclear energy 😂😂 and the child understands it 😳😳
Jordan Segura
March 28, 2022 at 4:10 am
Recently complimented joy on this acting she did to a song. She expressed herself as the singer she expressed her emotion just how it would be in her Instagram reel really amazing I told her I was into writing like a script writer she said it was cool and asked that If I ever maybe write something up she might perform it I’ll be honored to sometime she’s amazing ! All love
Slevin Channel
March 28, 2022 at 6:25 pm
Know PBS Space Time?
Lord Naver
March 28, 2022 at 10:41 am
Is Jude a girl or a boy?
Slevin Channel
March 28, 2022 at 6:25 pm
Who cares?
Mr. Tech
March 28, 2022 at 10:58 am
I’m 10 and the College Student explanation is too simple for me!
Slevin Channel
March 28, 2022 at 6:25 pm
That’s cool.
But dont worry: Doesnt mean you cant have fun with cool yt-channels anymore.
Try Sci Man Dan, Tier Zoo, PBS-Space-Time and Joe Scott and then come back for more if you like.
Mr. Tech
March 29, 2022 at 8:41 am
@Slevin Channel I already watch Scimandan and many PBS Digital Studios channels!
Slevin Channel
March 29, 2022 at 6:12 pm
@Mr. Tech Cool.
What about Veritasium, Hbomberguy and Joe Scott?
Slevin Channel
March 29, 2022 at 7:35 pm
@Mr. Tech Creaky Blinder aint really Science, same for Hbomberguy, but i bet they’re good for 10 Years old anyway.
Misteribel
March 28, 2022 at 3:11 pm
That child is amazingly smart, she seems to know way more than her age would suggest. Hat off to her!
Χρήστος Μπαρμπαγιαννίδης
March 28, 2022 at 4:27 pm
If you really think about it a Black Hole its the sum of the events at which we can give a “where” but not a “when”
Slevin Channel
March 28, 2022 at 6:25 pm
If you think about it, it’s more like a Zombie.
A walking Corpse, quite literally.
M DNY
March 28, 2022 at 6:31 pm
Zzzzzz
shash
March 28, 2022 at 8:23 pm
The expert level guy has a great voice for explaining, he sounds a lot like 3blue1brown (which is a very great channel, go check it out if u haven’t)
RareBeeph
March 28, 2022 at 10:09 pm
one thing i’d want to ask an expert about black holes is, does its gravity make time for an infalling observer tend towards infinitely slow as they approach the event horizon? i get the impression that this isn’t the case, but i don’t have an impression as to why
Dima Fontaine
March 29, 2022 at 10:57 am
You can cross an event horizon and life will go on without any difference for you alone. However, observers looking at you at infinity will see you taking an infinite time to cross this event horizon. In a way, you outlive the entire universe by getting close to the black hole.
Francisco Javier Sarmiento
March 28, 2022 at 10:46 pm
Love this video! On that last point about how two black holes merging create ripples in their event horizons. Could the ripples in the event horizons actually be ripples in space time that “warp” what we see? Could the event horizons actually be perfect the entire time and what we see as ripples, is the fabric of space time?
TartRedFruit
March 28, 2022 at 11:58 pm
YESSS I LOVE JANNA LEVIN! She’s exactly the right kind of person for this type of thing 😍
Rich M
March 29, 2022 at 3:19 am
If a black hole is a Marvel Character, it is Dormammu.
Maur
March 29, 2022 at 5:01 am
no matt?
Tahliya Nissen
March 29, 2022 at 5:51 am
Janna is my favourite teacher in this series
Christopher Higuera
March 29, 2022 at 8:33 am
I don’t get that black holes are so dense that they become nothing in space, it doesn’t make sense.
Nen Master5
March 29, 2022 at 1:26 pm
Then watch science-youtubers.
Critiquespert
March 29, 2022 at 11:17 am
Should do biochemist explains 5 levels…
OnyxOrca
March 29, 2022 at 1:28 pm
if i could wish for anything a moment before death (other than way to live longer) i would want to fall into a super massive black hole. i don’t know, maybe it’s weird, but that’s just how i feel
james
March 29, 2022 at 1:48 pm
Very surprised the PhD student hadn’t heard of direct collapse hypothesis for supermassive black hole formation our schools should be doing better. The Professor did an amazing job
Bradderrs62
March 29, 2022 at 3:17 pm
the expert: “i wish we could make a black hole in a lab”
me: please don’t
mlwartman
March 29, 2022 at 3:35 pm
around 22:50, the professor is describing hawking radiation and brings up that the entanglement of quantum particles has to be preserved. Since we know that quantum entanglement seems to be capable of somehow sharing information at speeds exceeding the speed of light, and that speed of light is the event horizon of a black hole, why would quantum entanglement be broken during hawking radiation?
MSB Science
March 29, 2022 at 4:39 pm
Why weren’t the five people introduced? In particular, I’m wondering who the other “expert” is.
freddan6fly
March 29, 2022 at 5:13 pm
Level 0 for flat earthers and YEC:s exists also.
Guntur Parikesit
March 29, 2022 at 9:48 pm
Okay the CHILD explanation is waaaay to much for my brain 🤯🤯
Steve Fitz
March 29, 2022 at 11:08 pm
@0:45 “you can get sucked and get lost forever, its like a big giant black thingy”
Alice Yobby
March 29, 2022 at 11:42 pm
When I see comments of adults having trouble understanding the child level, it makes me feel two different things; 1. I vastly appreciate the honesty, as the humility required to admit that you Don’t know or understand is so important for civilization and humanity, and is something that, especially online, is generally lacking; so it gives me hope. But then, 2. I get so frustrated and disappointed with the state of education, that schools don’t teach people to believe they have the capability to learn, or for that matter the excitement around knowledge, and it takes videos like these to get people interested in knowledge at all, years after they’ve left the school system. So, rather than in your HS physics class, your teacher explaining that no, you might not need to know this in your day to day life if you don’t want to, but here’s this amazing, beautiful thing that you can understand If you want to, and you can pursue a career or even hobby where you will use this day to day- we get people coming here years later feeling like achieving that level of understanding is impossible. And that makes me feel kind of hopeless
imark
March 30, 2022 at 12:20 am
Jude is clearly a well read/taught child. Showing great potential!
danceswithdirt
March 30, 2022 at 12:33 am
I love the way Daniel Kabat talks.
imark
March 30, 2022 at 12:38 am
Janna, you’re an excellent teacher.
Thanks for your time to discuss this complex conversation with great analogies that make it thoroughly interesting.
Chem son
March 30, 2022 at 1:12 pm
Child : Tell her a story about black hole.
Teen : Show her how cool black hole can be.
College student : Teach her what is a black hole.
Grad student : Put her on a test to see how much she knows about black hole.
Expert : Chat.
Noah Fruth
March 30, 2022 at 3:42 pm
The kid seems smarter than some adults i know
Jake P
March 30, 2022 at 3:45 pm
Been a fan of Janna since I saw her on star talk. Very brilliant person
Kohlenstoffisotop12
March 30, 2022 at 3:49 pm
26:17 So a black hole could be a whole nother universe! 🤯🤯🤯
Noah Fruth
March 30, 2022 at 3:49 pm
Are black holes perfectly round?
SeventeenMidgets
March 30, 2022 at 5:26 pm
5 levels of botox and lip filler
Curtis Blanco
March 30, 2022 at 5:34 pm
A decent argument could be made that our universe (the space we are in) is the interior of a black whole.
Curtis Blanco
March 30, 2022 at 5:40 pm
No it WOULDN’T be wonderful if we could make a black hole in the lab.
Unedited Life Of Daniel
March 30, 2022 at 6:24 pm
In the antiverse a black hole is a white hole spewing out energy..
Lol..time is a particle or 🌊 that can be manipulated with strong enough magnetic fields..time is decay .. Atomic decay..
Anywho
Also
The antiverse collapsed and our universe began..
A big endless bounce..between our universe and the antiverse..
The antiverse is as amazing and wonderful as our universe but exactly the opposite..in the antiverse energy not matter is alive..and aware…
In the antiverse our sun is a darklight consuming star that eats up energy there, to shine light here in our universes .as the antiverse shrinks
Ours will grow..
Somehow as our universe grows these time allowing particles aka beauty quarks are finding it harder and harder to find their way back into and stay in the antiverse..
So our universe will collapse and the antiverse will once again begin to expand..
Time allowing particles or waves can be manipulated with strong enough magnetic fields we must develop quantum magnetic engines to travel to far away places within our universe…
Unedited Life Of Daniel
March 30, 2022 at 6:26 pm
Quantum magnetic impulse engines that can interact w dark energy itself..we can magnetically manipulate warp drive into existence
.Lol..time is a particle or 🌊 that can be manipulated with strong enough magnetic fields..time is decay .. Atomic decay..
Anywho
Also
The antiverse collapsed and our universe began..
A big endless bounce..between our universe and the antiverse..
The antiverse is as amazing and wonderful as our universe but exactly the opposite..in the antiverse energy not matter is alive..and aware…
In the antiverse our sun is a darklight consuming star that eats up energy there, to shine light here in our universes .as the antiverse shrinks
Ours will grow..
Somehow as our universe grows these time allowing particles aka beauty quarks are finding it harder and harder to find their way back into and stay in the antiverse..
So our universe will collapse and the antiverse will once again begin to expand..
Time allowing particles or waves can be manipulated with strong enough magnetic fields we must develop quantum magnetic engines to travel to far away places within our universe…
lirio sogno
March 30, 2022 at 8:31 pm
The child was too smart 😂
Chido Alex
March 30, 2022 at 8:32 pm
IS BLACK HOLE A COMPLETE VACUUM POINT? LIKE EMPTY SPACE, LIKE A POINT WHERE VACUUM EXISTS AFTER PRE-BLACK HOLE POINT LOST ITS PREVIOUS CONTENTS?. IS IT WHY IT TAKES IN ALL THINGS THAT GETS CLOSE TO IT ? IF SO WHY IS IT NOT FILLED UP YET?
Mike Mondano
March 30, 2022 at 8:35 pm
No human words can explain black holes. Without the math, she’s lying.
Danke merkel
March 30, 2022 at 8:50 pm
What was she playing
Elysion B
March 30, 2022 at 9:10 pm
why is there a need to explain something to an expert
Harrison Martin
March 30, 2022 at 9:24 pm
Kudos to Jude – she is going to be a smart cookie!
David Sirois
March 30, 2022 at 9:41 pm
It’s amazing how a video can make me feel both ignorant and wise at the same time 🙂
XJLuxury
March 30, 2022 at 10:00 pm
Love this series.
elvancor
March 30, 2022 at 10:31 pm
That kid is smarter than most adults.
Dr. Boots
March 30, 2022 at 11:19 pm
The PHD Student… really didn’t know that much. Kind of worrisome.
Orghanik Productions
March 30, 2022 at 11:31 pm
Can we create systems that will allow us to send a probe (regardless of what might happen) to an smaller Black hole to study what happens in the Black hole
Josep
March 31, 2022 at 12:13 am
Astrophysicist explains the currently unexplainable in 5 levels of difficulty.
supersmex
March 31, 2022 at 12:29 am
She’s a really good teacher…without talking down.
Useless Profile
March 31, 2022 at 1:19 am
Not to be such an a**hole but the speed she said for light was wrong. 1000 times wrong
Useless Profile
March 31, 2022 at 1:23 am
Is That expert dude twin brother of 3 brown 1 blue guy? Voice wise
Onslaught73
March 31, 2022 at 12:13 pm
that was great!
Buck Anderson
March 31, 2022 at 12:24 pm
I have two theories about black holes. One that black holes drive expansion in the universe. Second if you could stand on the surface of a black hole and measure the size of the universe it would be smaller than what it is measured to be on Earth because space is collapsing at the speed of light. The space between objects shrinks as you approach light speed due to time dilation so on the surface of a black hole the universe would appear smaller.
Perfect 10
March 31, 2022 at 12:28 pm
What is the shape of a black hole? Spherical?
Terry Beveridge
March 31, 2022 at 12:30 pm
“WHAT HAPPENS IN A BLACK HOLE, STAY’S IN A BLACK HOLE”…..LOL…..VEGAS.
heybey
March 31, 2022 at 12:47 pm
what about the information paradox? can it be lost? i mean of course it is ripped apart into its bosoms, quarks and what not but is it forever lost?
Fitness_life_style
March 31, 2022 at 1:41 pm
Last dude was soo chilll
Denise Rodriguez
March 31, 2022 at 1:54 pm
I really like that jumpsuit Dr. Levin is wearing. Very stylish!
Mishka
March 31, 2022 at 1:56 pm
What a wonderful series! The young boy really impressed me with his questions and understanding of the subject matter.
earthyiris
March 31, 2022 at 4:28 pm
i love jan she is so well spoken
ToxicSpork
March 31, 2022 at 5:02 pm
It would have been funny if Warner Bros. blocked this video because she played Seven Nation Army
Darria Geangoș
March 31, 2022 at 6:02 pm
Janaaaa😄
Asha Blue
March 31, 2022 at 7:20 pm
I still don’t understand any of it lol but I’m glad there are smart people who do
Clara Frost
March 31, 2022 at 7:34 pm
The expert guy looks so profoundly fascinating. Like an actual expert. Like nothing but an EXPERT.
Elom Nusk
March 31, 2022 at 8:19 pm
the last guy has the same voice as 3blue1brown
Arnab Ray
March 31, 2022 at 9:05 pm
proceeds to play 7 nation army
Ibirogba Abioye
March 31, 2022 at 9:10 pm
Jan 11
dumplings1997
March 31, 2022 at 9:39 pm
In middle school, I had my honors science teacher briefly talk to us about stem cells when we got to the chapter about cells. Learning about how you can “reprogram” stem cells and and about the potential the technology has in medicine really impacted my learning career. I know the fundamentals of any STEM related subject is important but, if kids were able to talk to a professional or even their teacher about amazing and mind-bending phenomena that occurs in the universe, like a black hole, kids would love science more.
alexander munoz
March 31, 2022 at 9:48 pm
Please ask Jan if people sometimes pronounce her name as “Jan Eleven” for me? It would mean a lot
James Garcia
March 31, 2022 at 10:14 pm
Level 1: ok now explain it to me like I’m 5
Rick Reeder
March 31, 2022 at 10:41 pm
Even the child is smarter than me.
Casey Farrell
March 31, 2022 at 10:48 pm
There should be a chemistry one
Martin Ruiz
March 31, 2022 at 10:52 pm
What comes first tho!? The supper massive black whole or a galaxy?
St. Ricardo Milos
March 31, 2022 at 11:19 pm
That last guy is high af
BobForehead
March 31, 2022 at 11:29 pm
yeah, guitars don’t record. Finding it harder to believe in theory with each poor metaphor.
Jacob Kuca
April 1, 2022 at 1:12 am
why is that 11 year old so freaking intelligent tho
Abu Dojana
April 1, 2022 at 5:16 pm
I loved that “gravity” episode. And I loving this too…
Alron D'Abreo
April 1, 2022 at 5:31 pm
I am just sad to find that the name of grad and the expert didn’t start with the letter J.
Ya Ya
April 1, 2022 at 5:57 pm
Wow, I love her.
John Wolves
April 1, 2022 at 6:01 pm
that’s it, we are inside rick’s car battery 😂
Jacob Martin
April 1, 2022 at 6:06 pm
I think she could have explained LIGO much simpler. Simply put The Laser Interferometer Gravitational-Wave Observatory is a large-scale physics experiment and observatory designed to detect cosmic gravitational waves. It does it by shooting a laser in two directions. Since we know how fast the laser travels, we can figure out if something disturbed it, if they get to the other end at a different time then they are supposed to. When a gravitational wave occurs, we can detect it because the laser reaches the other side at a time different than what we expect. Objects in space of massive mass like black holes create gravitational waves when they collide.
Zak Hayek
April 1, 2022 at 6:22 pm
wait, what happened to the first ten Jans?
Jeremy Theimer
April 1, 2022 at 6:53 pm
our generation is getting dumber. I’m slightly below average for my age (18) yet I still understand the so called “grad student” level. I don’t claim to be an expert but I’m disappointed this video dumbed it down so much.
prashant kumar
April 1, 2022 at 7:21 pm
they be yapping anything and everything.
JoefromtheBardo
April 1, 2022 at 7:41 pm
These are well educated people. Let me see some G.E.D chocolate milk drinking kids. And I mean that cheap little brown carton. Not that fancy truemoo.
Joergen Paguirigan
April 1, 2022 at 7:43 pm
I have a degree but to be honest I only understand in a kid level.
Darkprototype535
April 1, 2022 at 7:52 pm
Can someone explain Hawking Radiation in more detail. I truly don’t get how it works. If a particle/anti-particle pair is split then how do we know there wouldn’t be a 50/50 split on which particle escapes? And would it make a difference? If it’s 50/50 then the particles and anti particles that get sucked in would annihilate with each other either as they head towards the singularity, or when they reach it, equaling a net increase of energy for the black hole, which increases the mass, not decreases. And even if it is somehow 100% the case that the anti-particle is pulled in and the particle itself is ejected, this would still be, as far as I can tell, a net increase in energy/mass for the black hole. Because if the anti-particle collides with a standard participle beyond the event horizon, the energy released in their annihilation would still be in the black hole, and if the anti particle remains intact, it’s a net gain of information for the black hole.
steve wilkes
April 1, 2022 at 8:00 pm
7:00 ” so what is a spinal tap”? ” Ok well we need to go to 11….”
InfiniteBlue
April 1, 2022 at 8:08 pm
So black holes and always playing agar io
wyvern723
April 1, 2022 at 8:24 pm
I used to teach science to elementary schools kids in an after school program, and I love her ability to translate the information to her audience. That isn’t easy. I really applaud this.
SophiiAnne
April 1, 2022 at 9:04 pm
Watching this and realising I’m at the child level, and even when she explains to the child it just confuses me further 😂
Manuel Lujan
April 1, 2022 at 9:11 pm
I love astrophysics! I thought I was pretty well informed on black holes…turns out im on child level 😅
Loved the video and learned even more and even less at the same time. lol
cliff
April 1, 2022 at 9:34 pm
I got lost right at level 1.
Seems appropriate.
Bryce Jensen
April 1, 2022 at 10:01 pm
Explaining something you can’t understand is funny.
Oda Margrethe Lilleaasen
April 1, 2022 at 10:13 pm
Building a black hole in a laboratory sounds like something no one should try to do, like, ever.
frzferdinand72
April 1, 2022 at 10:36 pm
They should have a degree of difficulty that encompasses armchair degreeless adults that like to think they have a slightly better-than-general understanding, like myself!
Grace Gomez
April 1, 2022 at 11:43 pm
Omg Knowing all of this low-key makes me wanna throw up . In the simplest terms ever , it is but it isn’t all at the same time
TheUnkown Boss
April 1, 2022 at 11:43 pm
I wish they fancied the idea of whiteholes in any of the 5 levels, the exact opposite of a blackhole just throwing things into space
Chie Nghipandulwa
April 2, 2022 at 12:11 am
I’m 32 and Jude has a better understanding than me
Milkboy7 Navarro Schooley
April 2, 2022 at 1:03 am
SQUID GAMES!!!!!!
Topsoil Depletion Awareness (closing the loop)
April 2, 2022 at 1:13 am
I am like level 0.
LogicalMagnet
April 2, 2022 at 11:59 am
well Black holes are not Dark the are Bright but Human species cant feel it with any senses cause we didn’t evolved that Much and as an Example Gas: the Vapor are equal to photons but they are slower u cant see it unless u saw the image Distorted by the Gas and of course the smell same gose for Black holes they emit and they smell but at a Higher Evolution of Senses
98codex
April 2, 2022 at 1:06 pm
I love how much she respects the kid’s intelligence. Kids are way smarter than we give them credit for!
Ludvig Lidström
April 2, 2022 at 2:56 pm
The last guy, the expert, sounds like every person on Closer To Truth – a channel I highly recommend by the way.
MrBearWolf 3Cr0ZfaK3K
April 2, 2022 at 3:12 pm
Jada smith is an expert on entanglement
Emma Eriksson
April 2, 2022 at 3:53 pm
I watched a documentary of the experiment with the LIGO instrument a couple of years ago and was blown away. The Studies of black holes, dark energy and dark matter is the coolest thing we have and I can’t wait to read the updates!
Peyton Stewart
April 2, 2022 at 4:06 pm
Is the expert 3Blue1Brown?
Leslie Valladares
April 2, 2022 at 5:11 pm
I am amazed
Colt Duncan
April 2, 2022 at 6:28 pm
Astrophysics and Seven Nation Army in one video 🙌
Halim
April 2, 2022 at 7:10 pm
yeah …i failed at level 1
Neil C
April 2, 2022 at 7:47 pm
Am always fascinated with the “Singularity” and Quantum Mechanics, yet didn’t know one prohibits other to happen. This episode gave me more food for Thought.
Angel F.
April 2, 2022 at 8:13 pm
How can a black hole spin if there’s nothing there?
Amina J.
April 2, 2022 at 8:28 pm
Seeing the thumbnail, I was hoping for a twist where the child ended up being the astrophysicist
Sophie
April 2, 2022 at 8:34 pm
I love this lady, she always explains everything so well.
Would love to have her in more videos explaining all things astrophysics!
JDKhaos
April 2, 2022 at 11:45 pm
She has many, many public appearances speaking about astrophysics 🙂
Bruja Cat
April 2, 2022 at 8:59 pm
Jenna is such a babe for sapiophiles
Ops1947
April 2, 2022 at 9:04 pm
Man that kid smarter than me
BenjamUniverse
April 2, 2022 at 9:25 pm
she didnt define density
Detestable Dumpling
April 2, 2022 at 9:38 pm
Was the last person 3Blue 1Brown?
BobsBuurgers
April 2, 2022 at 10:04 pm
Had to stop watching… You’ve already contradicted yourself 3 times… 16:11. Better off watching “ancient aliens”. Real talk…🤡
Samuel Valli
April 2, 2022 at 10:11 pm
Love this serirs of scientific videos.
I siggest ypu create a new category before child: Flat earthers.
Fatty Love Handles
April 2, 2022 at 11:26 pm
if black holes are real… then why do we continue to live as if it’s not ??? no one really buys black hole insurance for their homes
Bowser498
April 2, 2022 at 11:38 pm
As a math major, I’d love to see someone teach “algebra” in five different levels. The algebra that people generally learn in middle and high school is quite restrictive, since algebra is only considered under real numbers, when in reality, it expands much farther.
The same applies for “geometry”. People generally learn about polygons, circles, angles, and other Euclidean geometry in high school but geometries expand to topology, projective geometry, and differential geometry once you enter college.
BlackWeeeb
April 2, 2022 at 11:57 pm
i love seeing janna on startalk❤️💫. she’s so funny and charismatic. i hope she keeps returning and i keep seeing her more places❤️
Fortifor
April 3, 2022 at 12:10 am
L1 – I knew, L2 – I knew 60% and learned another 10%, L3 – 30% known, learned another 5% and got lost, L4 What black holes? I need to go back to level 1.
Ri
April 3, 2022 at 12:35 am
Watching Everything Everywhere All At Once prepared me for this topic lol
Daniel Beckett
April 3, 2022 at 12:36 am
Is the following true? :
If a matter-antimatter pair forms at the event horizon and the antimatter particle gets sucked in, it will annihilate with a matter particle inside the hole, and you’ll have a net mass loss. The particle that escaped lives on outside the event horizon and conservation isn’t violated.
If the matter part fell into the black hole, it gets trapped but the antimatter that escaped annihilates with a particle outside the black hole and conservation isn’t violated.
I have no physics education but thought this could be a neat mechanism for how hawking radiation works without violating any fundamental laws
Mackenzie - Delta Durocher
April 3, 2022 at 5:32 am
Janna is a phenomenal educator and science communicator. I learned a lot!
lotus pad :D
April 3, 2022 at 5:38 am
my simple brain cannot take all this in
Artemis
April 3, 2022 at 7:54 am
She is so cool 🤤❤
mortaché
April 3, 2022 at 1:45 pm
The last guy speaks like a wizard! You could put him in robes and a hat and give him a wand and he’d be perfect!
OwenMc
April 3, 2022 at 5:12 pm
Why’s she dressed like she’s taking part in Squid Games?
Don D
April 3, 2022 at 6:25 pm
Star explodes so material is forced out in every direction for millions of miles and this collapse creates super highly dense matter??? So stupid.
Rajivrocks Ltd.
April 3, 2022 at 7:53 pm
Kurtzgesagt has a good video on a theory on how supermassive black holes came to be. Very interesting topic!
Gigih Seftiadi
April 3, 2022 at 7:55 pm
poor guitar skills
David G. Awng
April 3, 2022 at 7:56 pm
I’m the child :/
Cut Combo
April 3, 2022 at 8:10 pm
win-rawr
Grim
April 3, 2022 at 8:31 pm
I like her.Great explanation on all the levels
Brian Hubbell
April 3, 2022 at 9:39 pm
Your makeup and your face absolutely make me not want to listen to you ..
iAndyKaYyy
April 3, 2022 at 10:25 pm
Lego, or LIGO?
FFGG22E
April 3, 2022 at 10:39 pm
That’s crazy…yes. yes it is
FFGG22E
April 3, 2022 at 10:51 pm
What we saw in the image was more a priori knowledge, confirmation bias
FFGG22E
April 3, 2022 at 10:52 pm
If a black hole is a fundamental particle, how is it super massive? This is making less and less sense
FFGG22E
April 3, 2022 at 11:08 pm
The way to think of hawking radiation is that black holes aren’t black or holes, they’re not anything they were said to be…their definition has changed so much over time that they’re not really …real. The definition no longer applies. Special? Guiding us toward…? What are you talking about?
Metal Master
April 3, 2022 at 11:09 pm
I’m having trouble telling if the kid was boy or a girl…
FFGG22E
April 3, 2022 at 11:10 pm
@ 25:41 it would also help if you could clearly observe an event horizon at all. @ 26:12 ahh…finally something that makes sense. They’re nothing. AAAAannnnd….Why are there so many and where are they all? Did you really just say that? Take out the word black hole and insert the word unicorn. Are you still a scientist, or just a nut job?
FFGG22E
April 3, 2022 at 11:15 pm
We know more and more…do you?
Eloi Pallarès Abril
April 3, 2022 at 11:34 pm
level 1, child. word used: thermonuclear fuel
Adrian Iko
April 4, 2022 at 12:47 am
I though the final boss is Asian
hangming zheng
April 4, 2022 at 1:03 am
The spectacular regret daily reign because cloth systematically kneel except a bumpy spring. automatic, jaded canadian
SneakyMilkMan 420
April 4, 2022 at 1:27 am
Using females in this vid was definitely a mistake
Lars Honeytoast
April 4, 2022 at 2:08 pm
*Biologist Explains Butt holes in 5 Levels of Difficulty*
James Lozano
April 4, 2022 at 3:23 pm
After the first level: “Explain it to me like I’m 5.”
Joe Wek
April 4, 2022 at 3:24 pm
Everybody is talking about the invited people, but can we really appreciate Dr. Janna Levin, the fact that she can clearly explains such a complex topic to a child and to an expert (more of a conversation than an explanation at this point), it just means the high level of comprehension one person has.
Shraddha Shrivastava
April 4, 2022 at 3:29 pm
If light cannot escape the blackhole then how come we could get its photograph a few years back?
m goolong
April 4, 2022 at 4:07 pm
Great scaling. If I move more slowly with same energy on a bigger planet it is probably not the light falling, it is us and our perception. If nothing really moves maybe this moment is a konstellion of masses in states, not temporary, only elsewhere in space. A process measured because we are a part of it.
Everything Nerdy
April 4, 2022 at 4:22 pm
Someone tell Clare I also study star histories 😉
helena
April 4, 2022 at 4:43 pm
are americans ok isnt the college level just hs senior knowledge
StarBoy
April 4, 2022 at 5:07 pm
So they all asked about something that nobody knows the answers (even the 11 year old girl) and all those questions were different!
JACKSON KALASHNIKOV
April 4, 2022 at 5:14 pm
Jena is my LOVE…She`s music of Universe
Dima L.
April 4, 2022 at 5:19 pm
She is using terms like nuclear fusion with a kid? Not even a teen nowadays would know that
XO
April 4, 2022 at 5:44 pm
I’m in love
keaton l
April 4, 2022 at 5:50 pm
Janna Levins brain is a world treasure
Aayush Hbkenticer
April 4, 2022 at 6:25 pm
i know more and less is way all people studying and learning science should be , a bit is explained , it makes more sense but a lot doesn’t and raises so many questions.
Tom Dyer
April 4, 2022 at 6:46 pm
Yeah that first child isn’t the average, she’s very bright & specifically knowledgeable about black holes/space in general. Ask a kid in my neighborhood about these topics? He’d throw a soda can at you and do a fortnite dance
Buster Hikney
April 4, 2022 at 6:49 pm
Einstein is quoted to say that if it can’t be explained to a six year old, you don’t understand it.
Science Lady doesn’t understand it .
____________
April 4, 2022 at 7:47 pm
you just taught her how to build a time/teleportation portal nice job 😉
Nicholas Sway
April 4, 2022 at 7:59 pm
I made it to the guitar…
J M
April 4, 2022 at 9:45 pm
This is a fantastic series, I would love philosophy to be covered!
cricfan12
April 4, 2022 at 10:01 pm
I am sorry but the professor did not know how to explain to a kid. Not a physics class. Should have gone with intuitions, not heavy words and names.
Cloud Seeder
April 4, 2022 at 10:13 pm
I am not stupid, I just have attention deficit and loose interest
Aki Aki
April 4, 2022 at 10:20 pm
Humans trying to explain the univers is like ants trying to build a Space ship..
P R E
April 4, 2022 at 11:50 pm
The BEST way to explain it is this:
When you throw an object on earth, it gains some distance and falls down to earth. If you throw it hard even harder, it will go to the other side od the earth and sprial in and fall. If you throw it even hard enough, it will go all around the earth and come back to the point you throw it at and will continue to keep in that orbit, and this is called the escape velocity.
The same happens with light. If you shoot a laser at the surface, it bends a certain number of degrees towards earth because of the gravity bending the space around it. If the gravity is very strong like it is on a star, the light will bend so much it will spiral in to go hit the ground on the other side of it. Now if the gravity is so strong like in a blackhole (which is a collapsed star) the light it will go all the way around the blackhole and meet back to the point it was launched at. This is the blackhole event horizon. Any closer to the blackhole, means the light will spiral in, hence the phrase “even light can’t escape it”
Moises Zamora
April 5, 2022 at 12:23 am
I busted out laughing when she said “thermonuclear fuel” to an 11 year old 😂
Alex Bitzan
April 5, 2022 at 12:30 am
She just taught a kid that gravity is a bending of the space time continuum, not an inherent “force.” That’s… insane!
Arian Emampour
April 5, 2022 at 12:47 am
The fifth level should be a senior
sunoo ً
April 5, 2022 at 12:01 pm
I THINK IVE MET THAT EXPERT
conor mcnamara-reid
April 5, 2022 at 12:51 pm
i dont think shes very good at explaining black holes to a child, just assuming the child knows what supernovae and the like are
Andrew Velazquez
April 5, 2022 at 4:37 pm
are astrophysicists just professionals at existential crises??
Jack Hyer
April 5, 2022 at 6:24 pm
ELI5: You place a bunch of marbles (mass, stars, planets) on a massive trampoline (spacetime) and then add in a massive water balloon (massive star) on top the trampoline. The water ballon sinks lower in the trampoline than than marbles, (bending spacetime, result of gravity) and creates a sinking slope (gravitational pull) pulling the marbles next to it. This creates a feedback loop. More marbles sink towards the water balloon which creates more and more sinking. Eventually, the weight is so great, the trampoline creates a very steep tear and the marbles and water ballon fall through and you can longer see it! (black hole absorbs light). Increasingly distant marbles get pulled near the hold, circling the hole like water down a drain (orbiting) until the marble drips off the cliff (event horizon) never to be observed by you again. But some marbles may emit light that circle the hole, but instead just bends around it into your visibility (gravitational lense).
Grant Withers
April 5, 2022 at 6:40 pm
Playtime: all women
Expert: man
FlyingMonkey
April 5, 2022 at 6:57 pm
I grabbed onto the statement that “the star’s core no longer exists in a black hole, it’s gone”…if that’s the case, there is no mass. Without mass, how is the black hole still producing a strong gravitational field? Trying to understand this.
FL0W
April 5, 2022 at 7:39 pm
bruh that kid’s smart
Mr Bond
April 5, 2022 at 7:56 pm
If a black hole is so big then why won’t it fight me? 👊👊
R D
April 5, 2022 at 10:09 pm
Wait, it’s possible to observe an audio waveform and mathematically determine what instrument generated the sound, even if no human has ever heard the sound of that instrument before? Wouldn’t that only be possible in absolutely ideal conditions, with one single note plucked and transmitted in isolation, with no distortions or interference? Especially if you don’t even know whether other notes or other instruments may have been involved in the first place?
Eric Schwegler
April 5, 2022 at 11:30 pm
18:33 the word youre looking for is … super duper
Bob Simpson
April 6, 2022 at 12:19 am
Wow, this expert is really chill and easy to listen to.
“It would be great if we could build a black hole in the lab”
Whoa, slow your role there bud.
Al Nickerson
April 6, 2022 at 4:31 am
Good video…still trying to wrap my mind around the loss of information due to Hawkin radiation. Glad it was mentioned by the expert.
Brandon Wei
April 6, 2022 at 8:16 am
What did I learn: 2 collapsing stars emit waves that sound like Seven Nation Army
Brandon Wei
April 6, 2022 at 8:28 am
I know she’s explaining things well, but me understanding things well is a different story
FRANKLIN DANSO
April 6, 2022 at 3:07 pm
I am going to watch the “Interstellar” movie for the 6th time.
L H
April 6, 2022 at 3:18 pm
To comprehend black holes you have to contend with the idea that empty space isn’t nothing, but something with characteristics that exert a symbiotic influence on reality.
MachuPicchu83
April 6, 2022 at 3:55 pm
Hold up, is that a *vintage* Fender Twin??? 🧐
jelaninoel
April 6, 2022 at 5:35 pm
The child explanation is pretty advanced. Shows how little we know about black holes
Alexander Abrashev
April 6, 2022 at 8:29 pm
Jana! So happy to see her here
Davy Anthonissen
April 6, 2022 at 8:43 pm
A Black Hole is nothing more than (almost) zero Kelvin!
(just like the cores of stars and atoms)
Restart!
Big Bang Theory of George Lemaître, is FALSE!!!
Our Big Bang system isn’t the whole universe!
And the stupid adding of Cosmological Inflation to save the stupid theory, now causes us to see black holes totaly wrong!
A K H I L
April 6, 2022 at 9:22 pm
how can you observe a merging of two Blackhole while the light around those blackholes is sucked in and no light to travel to our observing internments ? 🙂
zankioh EX
April 6, 2022 at 10:55 pm
This is your best series, don’t stop making these please!
James Hicks
April 6, 2022 at 11:34 pm
I’d like to see 5 levels of law
Mer-Ka-Ba
April 6, 2022 at 11:34 pm
I only saw this woman’s face and immediately clicked on the video. She has an unparalleled way of conveying these ideas for me
Demetrius T.
April 6, 2022 at 11:45 pm
1:04 I heard that there’s black holes bigger than our entire solar system like the m87 (an astrophysicist who said it), so the’re not bigger, they’re heavier
Jason
April 7, 2022 at 4:30 am
We are messing up time with mass and absorption..
Kamodomon
April 7, 2022 at 5:55 am
“Black holes are a thing, they’re a place.” That clicked something for me. Yeah, that makes sense.
Aaliyah Souvannarath
April 7, 2022 at 7:12 am
Xx
Michael S
April 7, 2022 at 10:40 am
The way she talks about what happens inside a black hole is misleading. Physic is a science that measures things. You can´t measure what you can´t see. For this reason nobody knows whats inside a black hole and problably nobody ever will.
Ashley
April 7, 2022 at 12:17 pm
So Hans Landa became a scientist
Palanthis
April 7, 2022 at 1:46 pm
I propose that when two super massive black holes merge, the resultant phenomena be referred to as a super duper massive black hole. It’s fun and nobody can stop us calling it that.
Kevin Darmawan
April 7, 2022 at 2:01 pm
I need the lowest category
Tyrell Crosby
April 7, 2022 at 2:04 pm
Love this
ComboBreakerHD
April 7, 2022 at 5:22 pm
Jude is way too smart for this to be the explanation for kids. A lot of high schoolers couldn’t grasp these abstracts. I was expecting a demonstration like one of those coin vaults at the mall where you drop a quarter and it spins around a large dish… And Jana is out here skimming through “when a star goes supernova”. Jude is a very intelligent child. Need a 10year update.
William Hendrick
April 7, 2022 at 6:12 pm
Blackholes are universal waypoints confirmed! An interstellar GPS!
Jeffrey Hill
April 7, 2022 at 11:25 pm
I love the fact that Jude was able to best explain a black holes immense density and effect on spacetime…. “That’s crazy” you said it Jude, you said it
John Smith
April 8, 2022 at 1:02 am
The exciting exclusive feature grossly jail because chive immunohistochemically exist next a frightened frightening full fumbling functional foxglove. flowery, unused servant
Yanette Gomez
April 8, 2022 at 1:34 am
I love this series. I get to learn about new concepts and also see how information is taught thru conversation. More, please!
HippieChicDreams
April 8, 2022 at 3:30 am
I watched all 5 and I’m
Still confused 😔
Fen Bogarty
April 8, 2022 at 3:57 am
I want to hear more about the gap in black hole sizes between several solar masses and supermassive black holes.
S gonz
April 8, 2022 at 4:37 am
I was so enthralled in her conversation with Clare! Great video ❤️
Cj Bautista-mendoza
April 8, 2022 at 8:13 am
Even though I’m 30 years old I’m more like a level 3ish lol
Jude Christy Christian
April 8, 2022 at 10:24 am
Physics is simply right and wrong of some assumptions made my genius stupid people carried by stupidly genius people now
J H
April 8, 2022 at 11:14 am
Watching all these videos about space and black holes I was surprised that I knew so much. Thanks Youtube and its community for that knowledge.
Matt Wasilewicz
April 8, 2022 at 4:05 pm
I was always very interested in science as a kid. As an adult now, I study astrophysics and particle physics because I enjoy it. I will always remember that one moment in high school that really hooked me on physics though when a teacher attempted to explain the twin paradox to our class. I remember thinking how crazy it was that if you simply travel fast, you can live thousands of years. Our teacher mostly explained the effect, the why would have been far too complex for a high school class to fully grasp. I now fully comprehend this concept, so fascinating.
Salar Molaei
April 8, 2022 at 4:31 pm
No one knows that this woman has an incredible story told beautifully:
Enjoy it.
Unbounded Intellect
April 8, 2022 at 11:49 pm
Maybe aliens are creating those supermassive black holes…
Raul Carbajal
April 9, 2022 at 3:44 am
I’m so glad I stumbled across this series!
Jonathan
April 9, 2022 at 4:37 am
Man this woman is exceptional
Stephanie Hernandez
April 9, 2022 at 5:09 am
That kid is smarter than me omg
chen zhao
April 9, 2022 at 6:11 am
the last expert was like: build a blackhole in lab
me was like: PLZ DON”T
Swetha M
April 9, 2022 at 1:16 pm
I really do appreciate these series and it’s so beautifully explained / discussed at every level that you can always take away / understand something about the topic at hand.
Meanwhile, I can’t help thinking, how much Janna looks like Snape 😄
A Da
April 9, 2022 at 4:10 pm
black wholes as energy devices (storage or producers) ..now now .. some one seen too much star trek :))) .just trie not to ruin our little blue bald planet whit your little black bald wholes. wee have only one ..available .by the way , why in the their names is the word “whole” … ? they seem black, even if were not shure their real colour .. but, whole (no pun intended) .. why ? i dont know that they are or they did created a whole in the universe/space-time blancket .ps: life takers VS life givers .. its allways depends of how it is used. a gun can be a life giver , but recentkly had been used more as a life taker.. so , if our dear writen hystory teached us something.. is that wee as a race are a bunch of asswholes ,so my bilance tends to : leave those black wholes alone .. a bulet can kill so much, but a black whole, can erase us .. so
Droxter27
April 9, 2022 at 4:26 pm
ik alot
TheElitesnake1
April 9, 2022 at 5:24 pm
college girl dresses and sounds like a classic cringe hipster who goes to bmcc
captain whitedeath
April 9, 2022 at 7:04 pm
there is an indian scientist who says that black hole is an eternal collapsing object or magnetospheric eternal collapsing object. is it true ?
ScorpionHearted
April 9, 2022 at 10:41 pm
“Time becomes space, and space becomes time” WHAT ? 🤕🤕
Mother Ho
April 10, 2022 at 6:05 am
stock buying/investing next!
Bim Tim
April 10, 2022 at 6:41 am
Professor Levin too real
Sarah Voshall
April 10, 2022 at 7:25 am
level 1: black holes are scary and we don’t want get close because we’ll fall in
level 5: i would like to make a black hole in my lab
phineas lausa
April 10, 2022 at 5:21 pm
She looks like a smart variant of Rufa Mae Quinto
Ham
April 10, 2022 at 6:17 pm
Amazing video! Such an interesting topic. I see this gravitational waves are in a way interconnected with the light being trapped and the huge gravitational force. I never heard of something that connects gravitational force, grav waves and light into an ultimate sort of “universe future shaping force”. I love science!
Tyler Robert
April 10, 2022 at 7:28 pm
After watching this I am thoroughly convinced that our universe is the result of a star collapse and we are living in a black hole ourselves.
Jakub Janowski
April 10, 2022 at 8:08 pm
This Claire PhD candidate is seriously hot.
Zoltán Boros
April 10, 2022 at 8:45 pm
And at which level she will admit we don’t know what black holes are?
Michael Newberg
April 11, 2022 at 12:55 am
Great video!
Layne X
April 11, 2022 at 4:04 am
Her jumpsuit is impeccable and I think i am in love with her
Avinash Sorab
April 11, 2022 at 4:09 am
I’m a 90’s kid and I can already tell the level of education by the fact that a level one kid at her age knew much more about black holes than I did at that time
Pritpal Singh
April 11, 2022 at 5:02 am
Why couldn’t she simply say density is the amount of matter condensed.
Nieko Courtney
April 11, 2022 at 5:16 am
is it me or are janna & the grad student wearing the same shoes?
also, no one else is going to give props to the teenager playing “seven nation army”? 😁
joaothevideo
April 11, 2022 at 5:38 am
The interactions are so interesting.
niteknightster
April 11, 2022 at 5:42 am
All these kids are Indian 🤣🤣
Jude Mendoza
April 11, 2022 at 1:53 pm
Expert: “Do you play?”
Teen: “A little bit”
*proceeds to play Seven Nation Army*
Yue Prime
April 11, 2022 at 2:42 pm
expert level wants to make a blackhole to study it… well go, but not in my neighborhood XD
DOOMTHO
April 11, 2022 at 2:42 pm
I can’t pin down exactly what it is but there’s something about the expert level guest that really gives me the creeps. I don’t mean to be rude (though I realize that doesn’t change the fact that I still am), but it’s one of those things that I just couldn’t get past while trying to listen to what he was saying, and I’m curious if anyone else had a similar experience.
Gekkkoin croe
April 11, 2022 at 3:31 pm
So i have no knowledge of BH in full ,but in parts on each level , lacking but proceeding …
yikes.
April 11, 2022 at 4:35 pm
please do a (research) psychologist!! i would love to see complex psychological theories broken down<3
hailey taylor
April 12, 2022 at 2:41 am
i feel so smart because i didn’t really “not” understand anything or had trouble understanding something until the expert level… although i have been studying and googling and researching black holes and astrophysics as a whole since i was in 8th grade and am almost a senior in hs now lol
Sagnik Bhattacharjee
April 12, 2022 at 3:28 am
Imagine if this video was made a while back and the final level expert was Stephen Hawking
Kumar Tatsat
April 12, 2022 at 4:18 am
man, grad students really know what they’re talking about. Now i also feel that I need a masters in CS :’)
I no longer feel my undergrad is sufficient enough.
Amyth
April 12, 2022 at 1:07 pm
The thing that shocked me was black hole can be created by just compressing thin air. They are seriously so scary.
Gary Palmer
April 12, 2022 at 1:10 pm
Is it an all girl school system? No boys?
Johan Giraldo
April 12, 2022 at 5:25 pm
This was great. Thanks for sharing.
Iuy Yui
April 12, 2022 at 11:50 pm
Just once it’d be great if the expert level was just some conspiracy theorist that argues how fake the entire concept is
Claudia Lamberts
April 13, 2022 at 1:24 am
JUDE SEEMS SO COOL and his fit is everything :))
Chance Kangas
April 13, 2022 at 5:35 am
love janna
Rio Sealy
April 13, 2022 at 12:20 pm
Can I get level 0, monkey terms pls.
Will Gazlay
April 13, 2022 at 12:30 pm
Are we just ignoring how hot the grad student is?
Jovica Gasic
April 13, 2022 at 1:22 pm
I am really doubtful that an 11 year old knows what thermonuclear fuel is 😅
Sagor Das
April 13, 2022 at 3:26 pm
What is the take after watching this?
No matter how easy or hard any topic is, be the kid first
Wendell Littlejohn
April 13, 2022 at 3:29 pm
Yo, Janna, hit me up sometime! We’ll get some dinner, maybe some drinks… With yo fine smart self, looking like a smart box of cookies, mmmm-MMM!
ŞPÜLWΔSSΞЯ
April 13, 2022 at 3:41 pm
My brain lost track at phd level😨😂
katalyst _2000
April 13, 2022 at 4:28 pm
Black holes are fcking weird, so much to knkw and learn about the most amazing object in space and such little time to comprehend its majesty.
Ok lol
April 13, 2022 at 9:20 pm
I was around levels 2 and 3
Leela Vidal
April 14, 2022 at 12:39 am
Before watching this video I thought I would be at a College student level and I quickly realized I’m at a Child or teen level
Ronald Desiderio
April 14, 2022 at 12:45 am
Ya I feel like more of an idiot now than before I started because of this kid. These aren’t public school kids
Ronald Desiderio
April 14, 2022 at 12:45 am
At his age I knew when it was lunch time and recess
Ronald Desiderio
April 14, 2022 at 12:47 am
Meg and Peg! Let the kid rock!
I’m going to Witchita😎
Kim Gupta
April 14, 2022 at 10:28 am
I was kind off fully able to keep up with their conversations till college level but in grad level I was able to understand 60-70% of the convo while in expert level it was around 10%
Eric Romero
April 14, 2022 at 11:24 pm
what is the experts name?
Synthia Nguyen
April 15, 2022 at 12:49 am
I loveeee these videos
Kia Moore
April 15, 2022 at 2:51 am
So glad to see her again!
Avinash Kashyap
April 15, 2022 at 11:07 am
I think they are scary and cool😂😂
Rukaiya jibrin
April 15, 2022 at 12:34 pm
😁Hello Mrs Sophia is legit and her method works like magic I keep on earning every single week with her new strategy
Jackson Mitchell
April 15, 2022 at 1:26 pm
Trade with her and remember to share testimonies with others ☝️😊..
Grace Kevin
April 15, 2022 at 1:29 pm
Her method surprises me
Grace Kevin
April 15, 2022 at 1:29 pm
When I saw testimonies all over the place I thought it was made up stories till I was convinced and gave it a try and honestly I don’t regret the move I made because I invested in a big way
Adekunle Adeshola
April 15, 2022 at 1:33 pm
Thanks to you all for your testimonies, it has helped me greatly I thought the were not real but I will now boldy testify… she’s strategies is awesome
Adekunle Adeshola
April 15, 2022 at 1:33 pm
Her trading last week was boom
Maira Thorn
April 15, 2022 at 2:28 pm
Interesting but we should tell the exact truth to children also.
Ricky Durieu
April 15, 2022 at 9:43 pm
“Hi, I’m Jan Eleven”
End Srate
April 16, 2022 at 6:53 am
I need a ‘newborn baby’ level explanation
Dave Raphael Ignacio
April 16, 2022 at 9:43 am
Truly an informative 26 minutes video about black holes even though I’m in senior high now there are still pieces of information that as you go deeper further to the level of complexities become harder and harder. Honestly, I’m not good at science-related aspects but at the same time learning or gathering information about certain topics like black holes can lead us to more and more information which I believe can help us to know more about these universes of life. I believe there are still some flaws and questions that need to be answered and I’m rooting for more discoveries. Thank you!!!!
SAMI SODA
April 16, 2022 at 10:18 am
As a Child, I lost her at density
Flaksick
April 16, 2022 at 3:16 pm
Question: can any really big objects that are not a star, collapse and become a black hole. Don’t ask how the object collapses.
conversation1987
April 16, 2022 at 9:47 pm
I would love to speak to this professor. She’s so calm! And explains very well!
Talya Schube
April 17, 2022 at 3:59 am
not me not understanding the child level
Sahi M.
April 17, 2022 at 10:06 am
jan11 would be a great screen name for her
Lee Jimmy
April 17, 2022 at 12:15 pm
Probably it is the most difficult for her to explain something so complex as simple as possible.
mathew broom
April 17, 2022 at 12:22 pm
Black holes are actually very small
Also, Ton 618 black hole is the single largest thing in the universe 🥴
S H
April 17, 2022 at 3:14 pm
The boy explained it better than the expert 😳
Ashish Gutte
April 17, 2022 at 4:37 pm
kid is indian.. that’s y his comprehension is extraordinary
fruitynahi
April 18, 2022 at 10:27 am
I’m a law student, but stuff like these really make me wish I could study astrophysics
Amit Pritam
April 18, 2022 at 3:16 pm
after the 7th minute, I’ve no idea what’s going on in this video
Luna Ly
April 18, 2022 at 5:13 pm
I’m blown away that the Astrophysicist said “nature found a new way of making black holes”. I never considered space as a part of “nature”.
Shahaan Ba
April 18, 2022 at 10:40 pm
is that 3blue1brown’s dad?
Nitin Thakur
April 19, 2022 at 11:08 am
“I know more and less”.
The more knowledge you gain, the better you realise how less you know.
Gaining knowledge is a perpetual karma, its indefinite.
Cassie Becker
April 19, 2022 at 5:20 pm
plz do “Geologist Explains Plate Tectonics in 5 Levels of Difficulty”
Brolick Scholar
April 19, 2022 at 7:03 pm
I entered a black hole last night… Three of them.
Sakura桜の花
April 19, 2022 at 10:33 pm
the more they kept talking the more complicated the vocab was and the less i understood 😭😭
abby saucedo
April 20, 2022 at 12:26 am
bruh me too 💀
Nothing Special
April 20, 2022 at 1:08 am
3:25 don’t you think that’s lil. Very much for a small kid…. Come on we all know its fake
p
April 20, 2022 at 9:40 am
This video made me realise just how much flat-earthers are missing out on. I honestly do pity them.
YIQIU HUA
April 20, 2022 at 3:42 pm
Ok when it reach level 4 I’m completely lost
syg B.
April 20, 2022 at 10:27 pm
The more i know the less i know
I feel black holes questions are endless i wish we humans can fully get them so much is hidden about existence in the truth of black holes