Astrophysicist Explains Black Holes in 5 Levels of Difficulty | WIRED

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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’
www.penguinrandomhouse.com/bo... more science and space insights follow Jann on twitter at @JannaLevin
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Astrophysicist Explains Black Holes in 5 Levels of Difficulty | WIRED

КОМЕНТАРІ: 3 700
@milkshook11
@milkshook11 2 роки тому
i like how once she gets to the expert it becomes more of a conversation rather than a lesson
@Obi-Wan_Kenobi62
@Obi-Wan_Kenobi62 2 роки тому
A conversation few others can understand 😅
@Ranger-sl3qq
@Ranger-sl3qq 2 роки тому
The scary thing is Im in my junior year of quantum mechanics and I still had trouble understanding how Hawking radiation escapes black holes
@hellfun1337
@hellfun1337 2 роки тому
@@Ranger-sl3qq PBS spacetime made an excellent video on the topic. Also, do you mean you are a third year physics student doing a course in quantum mech, or a 3rd year grad student specifically in quantum mechanics. because those are very different levels of "scary".
@jeffreyhill1011
@jeffreyhill1011 2 роки тому
@@Ranger-sl3qq A wizard did it
@abhishekkanyal9873
@abhishekkanyal9873 2 роки тому
Precisely !!!!
@PeterNooteboom
@PeterNooteboom 2 роки тому
"I know more and less" is such a profound statement that so many people have trouble realizing.
@ShadyForest
@ShadyForest 2 роки тому
Do you mean the phrase “more or less”?
@MrRizeAG
@MrRizeAG 2 роки тому
@@ShadyForest no
@PeterNooteboom
@PeterNooteboom 2 роки тому
@@ShadyForest No. The idea she was conveying is that as she learned new things she also realized the topic was way more deep than she previously realized. She learned more, but realized she knew less than she thought she did before. Peoples failure to admit that is why the dunning krueger effect exists.
@Caddis496
@Caddis496 2 роки тому
Pascal (I think... pretty sure... ish) expressed a similar sentiment in one of my FAVORITE quotes: “Knowledge is like a sphere; the greater its volume, the larger its contact with the unknown.”
@PeterNooteboom
@PeterNooteboom 2 роки тому
@@Caddis496 Wow. I've never heard that one, but I love it.
@StealthyDead
@StealthyDead Рік тому
That teen is wise beyond her years. "I know more and less." That is a statement more true than she realizes. The more you know, the more you realize you don't know.
@boneheadbill9976
@boneheadbill9976 Рік тому
It's crazy because I've watched a lot on space and I feel like I really don't know any facts. a lot of it is just theories and discussions of what could be possible with the evidence we have.
@ericmerante8745
@ericmerante8745 Рік тому
Things we know that we dont know And Things we dont know we dont know -sciencephile
@belengonzalezprada7928
@belengonzalezprada7928 Рік тому
Platón dixit
@luffy8878
@luffy8878 Рік тому
Ehhh I think she was the least wise
@arthurallaman9956
@arthurallaman9956 Рік тому
@@boneheadbill9976 everyone knows that quote, its easy to act smart with it
@Robert_Douglass
@Robert_Douglass Рік тому
What I love about this vid is that she didn't just explain a black hole in terms each of them could understand, but what she actually did was to _elevate_ their understanding of a black hole's mechanics and behaviours. She left each of them basically wondering "How and why did I not already understand this until now?". _That_ is a true teacher.
@Rebornx19-iz6mh
@Rebornx19-iz6mh 7 місяців тому
I love how they sound very arrogant although their maths are wrong since 96% of the Universe remains unknown
@rexmundi2986
@rexmundi2986 7 місяців тому
Think very carefully before answering this question; how do we know that 96% of the universe is unknown......?
@pattmahiney
@pattmahiney 7 місяців тому
@@rexmundi2986 because we know what we know and we don't what we can't. It's really that simple... 😂😂 But fr, I'd love to see the mental gymnastics of someone actually trying to answer your question lol. It's like saying, "we've measured what we can't measure so we know exactly how much we haven't measured." Like honestly, how would we come up with that lol... 96%. That's wild. It seems so arbitrary. Anyway, thanks for that. I hope the commenter above you replies. I'm ready to hear it 😂
@shyper17
@shyper17 4 місяці тому
​@@rexmundi2986Do we?
@bruhno1545
@bruhno1545 2 місяці тому
@@Rebornx19-iz6mh its funny how YOUR maths is wrong becuz no way you came up with 96% becuz u obviously didnt calculate everything known and unknown about the universe and formed the percentage, imagine being critical of someone and then doing the exact same thing the next second, huge men moment. I think u all should just stop coming up with random numbers that popped up in ur brain, its so exhausting
@Rebelnightwolfe
@Rebelnightwolfe 2 роки тому
1. Child 2. Teen 3. College Student 4. Grad Student 5. Expert 6. The Black Hole (hidden boss)
@Brightfur10
@Brightfur10 2 роки тому
I recommend your mimic tear be at least plus 7 for the black hole
@abderrahimbenmoussa4359
@abderrahimbenmoussa4359 2 роки тому
The black hole must then ask itself "what am I" and that even the wisest might not know so the black hole might be at the child level.
@TerrelleCheers1
@TerrelleCheers1 2 роки тому
😂😂😂😂😂😂
@GlitterC8k
@GlitterC8k 2 роки тому
College*
@pre2363
@pre2363 2 роки тому
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"
@bradderrs6221
@bradderrs6221 2 роки тому
the expert: "i wish we could make a black hole in a lab" me: please don't
@demis3270
@demis3270 2 роки тому
Actually a laboratoy created micro-blackhole (let's say big as an atom) would most probably evaporate in some nanoseconds thanks to Hawking radiation
@angeloalfano4506
@angeloalfano4506 2 роки тому
LMAO
@outoftunepiano9314
@outoftunepiano9314 2 роки тому
I recommend David Brin's "Earth" (fiction) for a good read on hazards of making your own black hole.
@thetiredworm2100
@thetiredworm2100 2 роки тому
Sometimes scientists can be perhaps to curious for our own good..
@lovemeacoustic1
@lovemeacoustic1 2 роки тому
I was thinking the same thing! This is how the world ends
@americano451
@americano451 9 місяців тому
She is so good at explaining. I love how she never dumbed anything down for anyone. Even for the child and the teen, she didn’t act like they were incapable of understanding big words and explanations. But every explanation she gave was easy to understand.
@15rat
@15rat 10 днів тому
but they weren't good explanations
@mkeerkens
@mkeerkens Рік тому
I think the child level is still too complex. You can't use words like "thermonuclear" when describing a black hole to a layperson, let alone a child. My dad's a nuclear physicist and I am always having to tell him that what he thinks is a very basic explanation assumes someone has a core knowledge of physics.
@valkriecain856
@valkriecain856 Рік тому
I'm a physics graduate. I think it's ok to use key words like that when explaining concepts. dont use too many but few exposes people to new words.
@chilled_crickett2838
@chilled_crickett2838 Рік тому
@@valkriecain856 I think it sparks that curiosity. I also think we missed out on a lot of the interviews. No way in 3 minutes each of them had a new understanding that is almost opposite of what they thought. I would have to assume that it was the highlights of the conversation of what the person thinks differently about black holes at this point child: So what is Thermonuclear - lets look it up
@hyunryu6077
@hyunryu6077 Рік тому
That is because it shouldn't be called ''child'' level. Not only is it disrespectful to assume a child can't be more educated on the topic than the example they showed in the video, but also simply wrong. It's not ''too complex'', since a child's knowledge on the matter can vary. Also, it doesn't matter what words you use as long as you can make sure the person you're talking to understands.
@irony_2
@irony_2 Рік тому
Well, she immediately corrected by just saying fuel… why you gotta be this way man
@irony_2
@irony_2 Рік тому
Probably just wanted to tell people about your dad, but thats fine, just drop the completely unnecessary criticism
@RosiePosieBabie
@RosiePosieBabie 2 роки тому
The first kid had such a great understanding. I don’t know if I even got it and I’m 23
@princedoopaloop8712
@princedoopaloop8712 2 роки тому
It's probably because you are a simple Woman.
@gondigondi7547
@gondigondi7547 2 роки тому
@@princedoopaloop8712 lmaooooooo😭😭😭
@cambionkid
@cambionkid 2 роки тому
@@princedoopaloop8712 found the person who thinks their genitalia is superior, quickly get the belt!!
@NeM3sSiS
@NeM3sSiS 2 роки тому
I was thinking the same, what a bright kid!
@Gsjsji_jwjsbs
@Gsjsji_jwjsbs 2 роки тому
U need interest for astronomy for this
@HiDefOuch
@HiDefOuch 2 роки тому
Kudos to that kid...he was really sharp with picking up on that explanation really fast.
@iwinrar5207
@iwinrar5207 2 роки тому
hey @youtube do something about the bots... This is getting ridiculous....
@juststevoo
@juststevoo 2 роки тому
Yeah, really seeing his whole perspective change so quickly and him being so open to learning just shows how intelligent he really is.
@gabor6259
@gabor6259 2 роки тому
Or maybe they cut the video that way. But let's be positive.
@mark-ish
@mark-ish 2 роки тому
@@gabor6259 they didn't pick her by random chance. Media is almost always produced for the best outcome/effect.
@dueldab2117
@dueldab2117 2 роки тому
that was a boy.
@AAR9AV
@AAR9AV Рік тому
The joy you experience while having a conversation with a person who has the same interests and level of understanding, reflects in Dan's smile.
@sarasasa_
@sarasasa_ Рік тому
Being able to explain such a concept to different people using different words and complexity clearly shows that that person really knows what she is talking about
@mark-ish
@mark-ish 2 роки тому
Jude is clearly a well read/taught child. Showing great potential!
@miospio
@miospio 2 роки тому
Very smart kid
@trinalps
@trinalps Рік тому
I'm sure his parent made sure he was at his absolute best for the cameras lol
@Manasvita
@Manasvita Рік тому
Dr fff free DIY
@sirbrocco1921
@sirbrocco1921 Рік тому
@@trinalps Isn’t that a girl?
@Pmtyler
@Pmtyler Рік тому
While yes they were smart. Many children today are a lot smarter than years ago due to UKposts and the internet.
@bridiemcclure
@bridiemcclure Рік тому
It's funny because I know the college level ones quite comfortably and all, but it was the most basic foundation explained to the child that got me thinking the most and changed my perception of black holes entirely
@enzzz
@enzzz Рік тому
@@ultimateskillchain Yes, usually everything is explained in terms that will go over one's head and they won't really give an understanding at all. In which case all you can do is memorise it, but with no understanding or imagination of what is actually going on.
@pokornycz
@pokornycz Рік тому
exactly the same impression
@Minurz
@Minurz Рік тому
Yeah, I understood the expert conversation pretty comfortably, and as an aspiring astrophysicist that makes me feel good.
@LuisGonzalez-xu9ch
@LuisGonzalez-xu9ch Рік тому
Aa
@alberttarimo
@alberttarimo Рік тому
maybe that's because our level of knowledge about black holes is same as the kid,
@tothelighthouse9843
@tothelighthouse9843 Рік тому
Janna Levin PhD is a great teacher. She can explain simple concepts simply, & also introduce complexity in a way that's exciting rather than intimidating. Her enthusiasm for & interest in astrophysics is contagious.
@shannonbarber6161
@shannonbarber6161 2 місяці тому
She make multiple factual mistakes in her explainations that no actual physicist would ever make such as saying the matter is gone.
@brianna3275
@brianna3275 Рік тому
I love that she was able to explain beautifully on every level, without talking down to anyone or being condescending
@FootyDoesForensics
@FootyDoesForensics 2 роки тому
I thought I was an science geek but after hearing this I'm on the level of a child.
@lordmaximillius3431
@lordmaximillius3431 2 роки тому
You haven’t even scratched the surface!
@trentondickey9061
@trentondickey9061 2 роки тому
Personally start studying. The more knowledge the better. But you also realize how little you know.
@jdkhaos4983
@jdkhaos4983 2 роки тому
I know more and more about less and less ;) I've been studying astrophysics for 5 years now, at a pace much faster than traditional education, and every day I learn something new and learn about how little humans really understand.
@radnakse_mada
@radnakse_mada 2 роки тому
@@trentondickey9061 I think he just exaggerate it. What he meant might be, he know not much about blackholes and all. I'm sure everyone who think they're a science geek will know what is hawking radiation.
@hiteshverma1786
@hiteshverma1786 Рік тому
@@radnakse_mada my teacher once explained it in 11th grade it was a phenomenon where a black hole losses mass very very slowly and the lost mass released in form of radiation i dont know something like this
@TheHipOneMusic
@TheHipOneMusic 2 роки тому
Astronomy is so cool it's literally just universe lore
@Epilogue_04
@Epilogue_04 2 роки тому
I thought that was cosmology
@TheHipOneMusic
@TheHipOneMusic 2 роки тому
@@Epilogue_04 Cosmology is a branch of Astronomy
@yourbodyis75waterandimthir44
@yourbodyis75waterandimthir44 2 роки тому
"You didn't have to cut me off bang bang"
@rubentelur
@rubentelur 2 роки тому
Space is so cool!!!!!!!!!!!!!!!!
@jacquihesher5424
@jacquihesher5424 Рік тому
But it’s true
@johnchessant3012
@johnchessant3012 Рік тому
The black hole battery thing has to be the most mindblowing thing I've heard in a while, every segment of this was great and I only wish it was longer
@Aspett0
@Aspett0 9 місяців тому
8:46 "I know more AND less"... that was a very articulate way to explain the process of learning about anything.
@alexbitzan8747
@alexbitzan8747 2 роки тому
She just taught a kid that gravity is a bending of the space time continuum, not an inherent “force.” That’s… insane!
@ashlynlarsen
@ashlynlarsen 2 роки тому
Imagine being taught correctly in school versus having to re learn everything the correct way in college 😔
@alexbitzan8747
@alexbitzan8747 2 роки тому
@@ashlynlarsen so true!
@trla6505
@trla6505 2 роки тому
Wait so she was talking about gravity i always thought it was gravity but since she didn't say it I asume I was wrong
@felixcuddle855
@felixcuddle855 2 роки тому
what is so insane about it? i don't understand
@anonymouse8124
@anonymouse8124 2 роки тому
@@felixcuddle855 A child being taught the up-to-date science, rather than an oversimplification they later have to unlearn, can feel magnificent to an observer.
@andrewein3090
@andrewein3090 2 роки тому
Her: *explains black holes to the 11 year old* Me, an 18 year old, having replayed the 11 year old segment twice: “okay okay I think I’m getting it now”
@elina11.
@elina11. Рік тому
same
@panthergaming3140
@panthergaming3140 Рік тому
prolly scripted for the 11 year old
@FBI_agent_4859
@FBI_agent_4859 Рік тому
same 😭😭
@magicalpotatoeforces
@magicalpotatoeforces Рік тому
It’s funny I thought the interactions with the kid and the teenager weren’t very good. I couldn’t keep engaged and was noticing how uncomfortable they both appeared. I felt less awkward with the college student and grad student, and could pay attention better. Body language can make it hard to learn some things, I’m my opinion. The chemistry with a topic between two individuals. But I have a bit of prior knowledge and just find the questions and explanations to be interesting. Especially the topic of the andromeda galaxy. Perhaps it’s because I’m about the same age as people in grad school, maybe a little older now. But who knows really, I picked up on that too. Not as easy to follow, it’s not that it isn’t interesting.
@4lexandraC
@4lexandraC Рік тому
Me too
@corykoz
@corykoz 7 місяців тому
@wired PLEASE *keep* her on your shortlist! Loved the other video. She’s engaging to the viewer and also the interviewees, flawlessly elucidating concepts of them and reacting with deep passion and then sharing her exceptional knowledge in a very personal, approachable way. Excellent orator! Hands down the best guest of your 5-Levels series.
@authormichellefranklin
@authormichellefranklin Рік тому
Love Dr Levin. Her visits on Star Talk are the best!
@chasefreeman9814
@chasefreeman9814 Рік тому
I like how as the level increases their shoes become more similar
@enzzz
@enzzz Рік тому
All shoe styles finally converge into a singularity as time passes. It's inevitable.
@d.j.beshears1405
@d.j.beshears1405 Рік тому
@@enzzz That's a pretty interesting metaphore
@myheartwillstopinjoy8142
@myheartwillstopinjoy8142 Рік тому
Why is that true 💀
@TheFullmastee
@TheFullmastee Рік тому
Brilliant observation! 😂
@veggiesoup.
@veggiesoup. Рік тому
That’s such an interesting observation to catch on oml
@donotenter4842
@donotenter4842 2 роки тому
I am at the CHILD level but her explaination still feels like EXPERT level to me. Is there a low category for me 😵‍💫
@IzichiUchiha
@IzichiUchiha 2 роки тому
😂😂😂💀💀💀
@Obi-Wan_Kenobi62
@Obi-Wan_Kenobi62 2 роки тому
Would you like a simple explanation of what a black hole is?
@Syv_
@Syv_ 2 роки тому
yes its called the 7th grade
@samuraiii3090
@samuraiii3090 2 роки тому
Infant lvl
@mark-ish
@mark-ish 2 роки тому
Low category: aka: low voltage. Welcome to the party, Dencio M.
@quytranthingoc467
@quytranthingoc467 Рік тому
Please do more episode like this, the content is amazinggg
@Vistico93
@Vistico93 Рік тому
What I love about this series is watching my confidence in my knowledge of a particular subject dwindle at an unknown rate prior to the start of the video to the point of uncertainty and then beyond :-)
@VeteranGaming_GamingUnited
@VeteranGaming_GamingUnited Рік тому
As a 26 yr old, i honestly learned something at every level of difficulty. The expert is really really well spoken. I wish my teacher in high school was able to be this informative in their lessons
@rebeccasiegel1230
@rebeccasiegel1230 Рік тому
Same, my hs physics teacher was so boring and I had so much trouble following her. I needed a bunch of tutors to get me through high school physics. But she makes it so easy to understand
@gustru2078
@gustru2078 Рік тому
Well, high school teachers don't need a PHD and most don't have one. If they did, they could teach in colleges and universities (with the better salary that comes with it).
@joeylantis22
@joeylantis22 Рік тому
26 club!
@cremebrulee2484
@cremebrulee2484 Рік тому
I’ve done my first physics exam in secondary and our teachers haven’t even started talking about black holes yet. Was just 4th year physics so eh
@johnfulton4952
@johnfulton4952 Рік тому
Teachers don’t really know anything because they don’t have domain experience. To have this level of expertise you have to be an occupational astrophysicist doing experiments.
@Caloph
@Caloph Рік тому
Me, an astro grad student: *furiously taking notes* “quick write that down, write that down!” But seriously this is a very good example of not only the science of black holes, but how to effectively communicate science to a broad audience.
@tylerdowling
@tylerdowling Рік тому
Are you really grad student in field? If so, can you please direct me to the fields answer re: 3 things? (1) expert makes statement about particle and antiparticle collapse with destruction of antiparticle “in” the black hole and how the quantum entanglement is lost. Is this absolutely the case? Is it possible that black holes are sort of like quantum engines driving the expansion of the universe/multiverse and that event horizons represent points of connection between universes or dimensions beyond space time such that the particle/antiparticle entanglement continues - but does so trans-dimensionally? (2) Does the expansion of our universe exert any counterforce against the black holes themselves (like a kind of resistive force per se)? (3) What is the 3D shape of the universe? Is all of matter sitting atop “space-time” like a marble rests on a surface of paper or like a boat sits on an ocean? Is the shape different? Is the universe more like a snow-globe with stuff all over the place like molecules of water floating around in a balloon that is constantly filling up with more water? Either way, when it comes to black holes, how does that impact the shape of the universe itself? Thanks.
@adriancastillo3370
@adriancastillo3370 Рік тому
@@tylerdowling interesting, wish they answered
@adriancastillo3370
@adriancastillo3370 Рік тому
=
@amanpuri7079
@amanpuri7079 Рік тому
Can i ask (i'm 16 btw),is there any major which i can take to learn all about physics I mean astrophysics is only to learn about space physics,but i want to learn them all,not just in space but in the earth,ocean or anywhere Like full set of physics itself
@lukasbaker3185
@lukasbaker3185 Рік тому
@@amanpuri7079 physics
@shananhodges6367
@shananhodges6367 Рік тому
What a fantastic series of conversations. Really enjoyed it.
@LJP120
@LJP120 Рік тому
Not knowing this field, I could've almost believed the grad student was an expert (and to be fair, most grad students have to pick such a specialized project that they do become experts), and then the expert came on. That mixed with what the student saying something about knowing more and less at the same time reminds me of my experience as a grad student in Microbiology. You really don't realize how little you know til you know more, and it's a jarring feeling imo
@98codex
@98codex 2 роки тому
I love how much she respects the kid's intelligence. Kids are way smarter than we give them credit for!
@charlesjay8818
@charlesjay8818 Рік тому
hahahaha do u really think this is your averge kid??? The kid was heavily coached for this interview The Astrophysicist use vocab like super nova and thermo nuclear fuel...... what average/normal kid knows what that is??
@AustinHertz001
@AustinHertz001 Рік тому
@@charlesjay8818 A kid may know a supernova but thermonuclear fuel? Idk about that chief
@zamzamazawarma928
@zamzamazawarma928 Рік тому
You're making me puke rainbows. Some kids are smart, some are dumb, some are nice, some are authentic MFers. They're people.
@Blacksmithcstms
@Blacksmithcstms Рік тому
@@charlesjay8818 even if it’s not your “averge” kid, they’re still eleven years old and picked up pretty quickly on the nature of gravity. Most adults have trouble grasping these concepts, especially when talking to an expert. Is it so hard to admit a child might be smarter than you were when you were eleven?
@braulioxDify
@braulioxDify Рік тому
@@charlesjay8818a kid wouldnt take all that in, they may know what a super nova is but thermo nuclear fuel they would just remember it as fuel and thats all they need and right after the lady said that she called it just fuel
@aniketverma8774
@aniketverma8774 2 роки тому
That graduate student seemed so inquisitive about the different black hole theories and stellar physics. Hope she becomes a great astrophysicist in the future.
@markrendy8016
@markrendy8016 Рік тому
go build toilets first
@locke8412
@locke8412 Рік тому
she'll return on this channel as an expert
@rivellehaidar318
@rivellehaidar318 Рік тому
@@locke8412 whoaa
@LiannaBabeli
@LiannaBabeli Рік тому
Actually, she already is a great astrophysicist. She asked questions and didn't let established theories and perceptions of science cloud her understanding or the potential of her understanding. You are already a great scientist when you stay curious and don't assume anything is ever truly definitive.
@gonzalochacon9553
@gonzalochacon9553 Рік тому
and she is super hot!!
@kimhisham6033
@kimhisham6033 10 місяців тому
This is amazing. All in common is their level of humbleness and politeness when they discuss about really confusing yet interesting topic.
@belengonzalezprada7928
@belengonzalezprada7928 Рік тому
I love these videos! she is so good communicator, and they are so clever, is amazing how is visible the evolution in the conversation with the diferent levels of knowledge. Thank you 🥰
@bowser498
@bowser498 2 роки тому
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.
@alexbitzan8747
@alexbitzan8747 2 роки тому
I’m early enough in my math career that I don’t have much of an understanding of those things in depth, but I do find it interesting how math build on itself. Essentially, all the way through calculus is just edited forms and applications of the four primary operations.
@Ranger-sl3qq
@Ranger-sl3qq 2 роки тому
In my junior year of Astro, taken linear algebra as well as ODE and PDE, it’s very interesting to see how quantum plays into linear algebra when it comes to space bending concepts such a black hole. Very interesting
@xaza8uhitra4
@xaza8uhitra4 2 роки тому
nobody cares about algebra lmao
@bowser498
@bowser498 2 роки тому
@@xaza8uhitra4 apparently at least 326 people care ;)
@clashoclan3371
@clashoclan3371 2 роки тому
@@xaza8uhitra4 You do know that chemistry and physics use algebra, but I'm guessing you're American right?
@foxcrow
@foxcrow 2 роки тому
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".
@angelina3778
@angelina3778 Рік тому
@@thitherword that was so passive-aggressive for no reason
@ikilledaman
@ikilledaman Рік тому
Of course it is
@isaacj2410
@isaacj2410 Рік тому
@@thitherword calm down bud
@staralcyone
@staralcyone Рік тому
I think it's because we always see space as something that it is not a part of us and that it is something external to us but we are literally living in it right now
@AustinHertz001
@AustinHertz001 Рік тому
Not many would think space as nature, as when you think nature, you think of The Earth, not everything outside of it
@catastrophicfailure2745
@catastrophicfailure2745 Рік тому
i was the weird space nerd kid all of elementary and middle school (not so much in high school, but i rediscovered my love of space when i moved), and my ability to understand most of what they're talking about even at the expert level (the expert level is more like vaguely understanding what someone is saying in another language but not really being able to respond) is kinda comforting
@mavoelly1704
@mavoelly1704 Рік тому
The fact that she used the musical instrument to explain how they 'hear' a black hole is pretty impressive
@anatoliagolden-hall4553
@anatoliagolden-hall4553 2 роки тому
I think it would be awesome to have a series where experts in one field, teach experts in a completely different field. For example, the astrophysicist in this video talking with a forensic psychologist, or a Micheline-star chef.
@eve6531
@eve6531 2 роки тому
evolutionary biologist and philosopher would be fun!
@akshita241
@akshita241 2 роки тому
Not a series but there is a documentary on Netflix that’s kind of like that the experts in one field show experts in another field their field it’s called the most unknown u might like it
@anatoliagolden-hall4553
@anatoliagolden-hall4553 2 роки тому
@@akshita241 That sounds really interesting! I might check it out. Thank you for the recommendation 😊
@SuperHuscarl
@SuperHuscarl Рік тому
I’d be down for that
@mitdesai5291
@mitdesai5291 Рік тому
@@akshita241 what's the name of the series?
@Noir026
@Noir026 2 роки тому
I love this lady, she always explains everything so well. Would love to have her in more videos explaining all things astrophysics!
@jdkhaos4983
@jdkhaos4983 2 роки тому
She has many, many public appearances speaking about astrophysics :)
@alexanderabrashev1366
@alexanderabrashev1366 2 роки тому
she has a lot of vids with NDT
@sandhyabalaji6588
@sandhyabalaji6588 Рік тому
I have no background or understanding on a scientific level on this, but i have always been fascinated by space as a whole. The last part of this video felt like a "Black Hole". The expert level discussion turned conversation amazed me and kinda pumped me to keep up with these topics every now and then.
@mediahost2243
@mediahost2243 Рік тому
Very good explanations at each level. This astrophysicist is really good at explaining her ideas.
@ginelliaamira6953
@ginelliaamira6953 2 роки тому
This series is so important. The people invited are such good explainers, not condescending nor going too fast for the learners. And the learners are such good listeners. I only wonder about one thing; I have noticed that the children usually understand the subject matter really well. Are children of above average intelligence (ONLY) invited, or are they of normal intelligence and am I underestimating children? Because these children understand more than I did at that age 🤣
@CamerHD
@CamerHD 2 роки тому
Yea they always seem to get it really quickly, right? I think they're most likely selected and not just random kids. And the editing might make them seem to understand even faster
@jw9407
@jw9407 2 роки тому
I imagine that the children of an entire school (maybe limited to an age group) were informed that "those who are interested in physics" could apply for an interview and then they had to pick a child of a group that is definetely already interested in science
@dua_junaid
@dua_junaid 2 роки тому
@@jw9407 Yeah that would make sense
@an.jel.o
@an.jel.o 2 роки тому
There’s also a lot edited out, so they don’t grasp the information as fast as it seems. I’m sure there’s a lot of explaining that we don’t get to see.
@vestigex
@vestigex 2 роки тому
its due to the fact that most of us began utilizing technology at a very young age, so data spread very quickly through these devices, and there was an abundance of facts and knowledge also archived on them, so we practically had the world at our fingertips
@lizmosorio
@lizmosorio 2 роки тому
As she talked about the black hole properties (mass, charge, and spin) it immediately made me think of particles, was so stoked she made the comparison too. Makes you feel like you can actually follow the logic naturally.
@viktorija.jankauskaite
@viktorija.jankauskaite Рік тому
You're cool
@d.j.beshears1405
@d.j.beshears1405 Рік тому
@@viktorija.jankauskaite Exposition?
@mrnevermind
@mrnevermind Рік тому
What an amazing person! Her way of explaining things is so incredible!
@sattarpc
@sattarpc Рік тому
Its a wonderful series. Very useful for teachers. Please make more.
@geostyma
@geostyma 2 роки тому
She’s a really good teacher…without talking down.
@BenjaminAbrahamShelahSchmidt
@BenjaminAbrahamShelahSchmidt Рік тому
True.
@Gabriel_Cook
@Gabriel_Cook Рік тому
Fun fact: A black hole's event horizon "appears" to be 2.6× larger than it actually is because extreme gravity bends light to the extent that you're "seeing" the entire black hole including the back of it.
@kallepikku4991
@kallepikku4991 Рік тому
That is a fun fact indeed.
@damoncook3339
@damoncook3339 Рік тому
That was truly superb. Fantastic how every level was of interest.
@bomaathuis7277
@bomaathuis7277 Рік тому
I love how chill the expert guy is. He is so chilld and relax because he knows he got thr whole game locked up.
@Maevynn
@Maevynn Рік тому
"It's run out of fuel. And if it has no more fuel, it's no longer shining and pushing outward. And without that, it itself begins to go dark, and then there's nothing fighting the collapse anymore, and that's when you get a black hole." I think she just described depression without even realizing it.
@teachngal06
@teachngal06 Рік тому
Steph G, I was thinking on a similar wave length. So much of what Dr. Levin explained about black holes (I felt) related to the energy fields of humans.
@digineet8421
@digineet8421 Рік тому
That implies that it’s mostly about having the energy to be happy and productive. I could have a lot more energy and be better off for sure, but without feeling anything it will always be dark and empty.
@Ninoky
@Ninoky Рік тому
So Black Holes are depressed Stars.
@vevasam
@vevasam Рік тому
Wow. What a beautiful observation. Very underrated comment.
@ralucatut9620
@ralucatut9620 Рік тому
@@digineet8421 but couldn’t you argue that the lack of energy is what is causing the emptiness ? Perhaps the relationship isn’t entirely casual but still closely related.
@Nefville
@Nefville 2 роки тому
Janna is one of my absolute favorite science educators. She has a way of explaining things that even people like me who have studied this are like "wow". Also fun fact, our solar system is orbiting the supermassive black hole at the center of our galaxy. And what is orbiting? Falling at an angle. So in a way we are all already 'falling' into a black hole.
@joshaqy
@joshaqy Рік тому
@@universal_pawn7442 pretty sure it isnt
@river_g
@river_g Рік тому
@@universal_pawn7442 No i literally have no clue what that is
@tvtitlechampion3238
@tvtitlechampion3238 Рік тому
"Circling the drain", eh? No wonder we're a morbid people. Excitable, too! Until I hear differently, I'm going to assume we have a very long time to get there. Maybe that's where Heaven is located! Give the Christians something to look forward to, just don't give them ideas on hurrying the process up.
@Nefville
@Nefville Рік тому
@@tvtitlechampion3238 Totally agree! 🤣
@LostJedi26
@LostJedi26 Рік тому
Great. That's terrifying for some reason, even thougoh I was wanting to ask if a black hole is at the center of our galaxy, as well as all others. It acts like a huge gravity well.
@softdorothy
@softdorothy 9 місяців тому
What a trip this was. I've never seen anything like it. More of this.
@jasminnoor1877
@jasminnoor1877 5 місяців тому
i have been studying for about a year now, and I can steadily keep up with the EXPERT level of conversation they were having, hawking radiation and quantum entanglement feel conformable to talk ab for me so this was nice to watch them have this conversation.
@Malicious2013
@Malicious2013 2 роки тому
What I find incredible is how difficult the professor finds explaining the topic in ways that children could understand. In many ways, it's easier to discuss things at a higher level when you are at that level.
@mlwartman
@mlwartman 2 роки тому
I heard somewhere that if you cant explain a complex topic to a child, you don't really understand it yourself. Obviously an exception to the rule here, but it popped into my mind when i was reading your post. But i agree. Even when we think we are using a more basic, fundamental explaination, you may be using "fundamental" information the other person still doesnt grasp. Such a challenge at times. I had to explain network latency to my 9yo.. i had to go all the way back to kids in line for recess before i could explain it with a concept she already understood...
@miha3847
@miha3847 2 роки тому
@@mlwartman so relatable 🙂
@ejmtv3
@ejmtv3 2 роки тому
That's why a masteral degree is all about mastering the field and how it should be taught to other people.
@Obi-Wan_Kenobi62
@Obi-Wan_Kenobi62 2 роки тому
@@mlwartman that’s a good point, understanding a complex topic is one thing, being able to explain it simply to someone who doesn’t fully understand and want to learn more is more challenging than you’d expect
@kerr354
@kerr354 2 роки тому
@@mlwartman Some concepts just can't be explained compactly in simple terms, so it's always a matter of how much you are willing to sacrifice when explaining something. The amount of unnecessary details you can safely sacrifice is proportional to your level of understanding and the ability to judge what is the most relevant even more so
@caryshughes5809
@caryshughes5809 Рік тому
I love how she praises all the questions she's asked. Calling them all great questions, such a good and supportive way to teach someone
@xelsimone7698
@xelsimone7698 8 місяців тому
shes a great teacher and conversationalist. that was delightful and incredibly informative
@DerekFrazier2014
@DerekFrazier2014 Рік тому
Being a knowledgeable nerd I loved every phase and learned something in each one. Thank you.
@sarahallenhumboldt2638
@sarahallenhumboldt2638 9 місяців тому
Love your joyful open face!
@bndkllr2763
@bndkllr2763 Рік тому
It's amazing to see this astrophysicist share so much knowledge with everyone and then have questions herself when she speaks with the Expert guest. Like a true scientist, she's always trying to learn more.
@_previously
@_previously 2 роки тому
In middle school, I had my honors science teacher briefly talk to us about stem cells when we got to the chapter about cellular biology. Learning about how you can “reprogram” stem cells and and about the potential the technology has in medicine really impacted my learning career. Fast forward 10 years and I have a degree in Human Biology and am working in a STEM related 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.
@shafwandito4724
@shafwandito4724 2 роки тому
Teacher presentation is really important. You got lucky that your science teacher know how to present cellular biology in interesting way.
@triz313
@triz313 7 місяців тому
This series is so good, and this episode in particular was mind-blowing! I did not realize that black holes not only take but give back in regards to energy and even the signals that they produce and we are using LIGO to "listen" to. Fascinating!
@theorderofthebees7308
@theorderofthebees7308 4 місяці тому
I love these videos - you can tell how well you understand something by how you explain it to someone else
@hannahhokett8811
@hannahhokett8811 Рік тому
me a 28 year old, thinking I’ll understand what she’s saying until “college student” and getting confused at the “child” explanation. When the child was picking it up so well. Kudos to Jude 🌟
@theanimationmaster724
@theanimationmaster724 Рік тому
0:37 Level 1 Child 4:24 Level 2 Teen 8:59 Level 3 College Student 14:23 Level 4 Graduated Student 21:05 Level 5 PHD Professor
@tiredwithpeoplesshxt1284
@tiredwithpeoplesshxt1284 Рік тому
I wish I could save comments on videos
@tahsinmahmud4987
@tahsinmahmud4987 Рік тому
Couldn’t even understand the level 1
@alexz765
@alexz765 Рік тому
@@tahsinmahmud4987 noob
@TheConsoleCoder
@TheConsoleCoder Рік тому
I understood level 5 but I can barely understand 5th grade math. I'm in middle school.
@zabox1674
@zabox1674 Рік тому
@@TheConsoleCoder can relate lol
@EnormousBoss
@EnormousBoss Рік тому
i love this expert guy, he is always smiling and looks pretty passionate about what he is doing.
@adangadban
@adangadban 8 місяців тому
thank you for making these videos, I'm a physics student myself and I'm thriving on such content!!
@ComboBreakerHD
@ComboBreakerHD 2 роки тому
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.
@canebrakeruffian1122
@canebrakeruffian1122 Рік тому
I think these conversations would be even better if each level got to remain for the preceding conversation and given two questions to interrupt to understand a concept above their level they'd like to wrap their minds around.
@tapuzak
@tapuzak Рік тому
This teacher is really talented. Fun to listen to because of her humility combined with a massive intellect.
@dorito1321
@dorito1321 Рік тому
professor looks like he’d harness a black hole and turn it into shields
@somemoepho
@somemoepho Рік тому
I bet he questions what that melody is
@sasorioftheredsand4348
@sasorioftheredsand4348 Рік тому
Nice reference
@handsoap6246
@handsoap6246 Рік тому
I bet the universe is singing to him
@bluefire7412
@bluefire7412 Рік тому
He probably wonders why we seek answers if we do not know the question
@StanleyNumber427
@StanleyNumber427 Рік тому
Which is funny, because "Schwarzschild" literally is German for "black shield."
@jakeartese6632
@jakeartese6632 2 роки тому
I personally enjoyed the grad students interaction over any other both for education and entertainment purposes it was very clear she was interested in the subject and all parts of this conversation was enjoyable
@LostJedi26
@LostJedi26 Рік тому
Her explanations to Jude were the most profound to me. They really got me thinking about black holes in a different way. Particularly the part about light bending around them, orbiting them. The whole video was fascinating, but the youngest one grasping concepts and speaking them back to her was incredibly cool.
@tommyheheh
@tommyheheh Рік тому
Thanks this is my favorite video in this series so far
@sulaimanaljabari
@sulaimanaljabari Рік тому
16:48 The way school was pronounced just gorgeous!
@PowerOfTens8420
@PowerOfTens8420 Рік тому
I haven’t seen anyone on this series clearly explain such a complicated topic in such a well engaged and understandable way. You can see the passion she has for the field, and the passion she easily invokes in the child -> grad level.
@FigmentHF
@FigmentHF Рік тому
At 3:43 when the child says “so it doesn’t attract light, it moves the space so that it’s curved towards it” That’s 95% of adult humans lost. Almost nobody I know irl has anything like an intuitive sense of “space being flat” or what exactly is meant by “curved space”. I feel this is one area in which science communication is lacking.
@tvtitlechampion3238
@tvtitlechampion3238 Рік тому
Absolutely. It could redirect the flat-earthers to a different model without making them wrong in their intuitive understanding of linear models, ie Earth isn't flat, but space could be thought of as 'flat'. They're just not thinking large enough.
@chilled_crickett2838
@chilled_crickett2838 Рік тому
I feel like there is more to the convo that we did not get to see.
@d.j.beshears1405
@d.j.beshears1405 Рік тому
@@tvtitlechampion3238 Better than rehab
@tvtitlechampion3238
@tvtitlechampion3238 Рік тому
@@d.j.beshears1405 or a rehab of context, perhaps. Correcting notions and behaviors is the dividing line between education and incarceration. The fascinating part of flat-earthers is the dire resistance based on some sort of gauzy empiricism that demands the 'science community' evidence disprove their conviction first before they extend their precious consideration. Funny how their re-imagining of what REALLY goes on is so tortured as to be grotesque. I'm for a better, more interactive explanation of the working scientific concepts, but dang.
@MrCmon113
@MrCmon113 9 місяців тому
It's not curved space. It's curved space-time. Ie over time distances get smaller.
@cellar_door_cie
@cellar_door_cie 7 місяців тому
RELEASE THE UNCUT VERSIONS RIGHT NOW
@zainriaz8698
@zainriaz8698 7 місяців тому
I'm really intersted in black holes and today i get answers of my all questions related to this giant hole. Thanks for providing us such information.
@fruitynahi1710
@fruitynahi1710 2 роки тому
I'm a law student, but stuff like these really make me wish I could study astrophysics
@Joaninhaa12
@Joaninhaa12 2 роки тому
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
@slevinchannel7589
@slevinchannel7589 2 роки тому
Know PBS Space Time?
@eartheclipse8
@eartheclipse8 2 роки тому
same !
@jacob3716
@jacob3716 2 роки тому
My exact same feeling. 😢
@kittysparkleeyes
@kittysparkleeyes 2 роки тому
i know how you feel, i am a domestic cleaner and i literally spend hours of my working day listening to videos about astrophysics , quantum mechanics etc whilst i clean houses. on this level nature is like magic and somehow it makes me feel more alive knowing that there are so many things we don't know and barely comprehend. who needs fantasy when physics exists? also i have to commend the UKposts creators for making these topics so accesible to ordinary people like me. i feel i have a very good basic understanding of these topics that my mum and grandad never would have had access too.
@natasha_escoffier6281
@natasha_escoffier6281 2 роки тому
Same here even since i was really young i am extremely passionate and love theoretical physics and mathematics and how i wish i am a theoretical physicist but i just had to take a completely different path which saddens me because i dont want to waste my one life not doing what i actually want. But thats just life...
@doroh2328
@doroh2328 2 місяці тому
The coversation with Clair was very insightful and fun to me I can listen to this for an hour
@adarshbrando7412
@adarshbrando7412 Рік тому
If u can teach like that ,that means u are a great teacher ,u have great knowledge and deepful understanding about the concepts
@sh7asoiaf
@sh7asoiaf 2 роки тому
Proving the existence of black hole, in the view of mathematical and observational evidences is the great achievement of humankind in development of science for all.
@mavfan1
@mavfan1 2 роки тому
I think it’s Cool Whip.
@XXveny
@XXveny 2 роки тому
Well, since you can really observe them, it is kinda simple, you just need proper tools. Proving the existence of things unseen like Hawking radiation would be greater achievement but again... you just need proper tools :D
@sweeperchick
@sweeperchick 2 роки тому
@@mavfan1 I just snorted.
@theena
@theena Рік тому
That was wonderful. The expert was great, as were all the people invited to talk to her. Props to the first two school kids, but also the graduate student who ensured that she too played her part in making their conversation accessible to us lay people.
@jbrandonporter
@jbrandonporter Рік тому
Listening to the conversations, I'm now wondering what is the smallest mass required to cause collapse into the singularity, and by extension the smallest event horizon that's possible. Depending on this answer, could black holes exist that are small enough to avoid detection even though very close? Like if the minimum event horizon is something super tiny like a meter in diameter or even less, could we even see that if it were sitting just outside the solar system? And if that's the case, could there very well be an immense amount of black holes that we don't have the precision of tools to detect? But I'm nowhere near learned enough to answer these questions, though it's a fun rabbit hole of thought to jump down.
@runhighjumpfast
@runhighjumpfast Рік тому
It's not totally settled as to the answer, but this Wikipedia page may help: en.m.wikipedia.org/wiki/Micro_black_hole
@andrewvanhellstring6672
@andrewvanhellstring6672 2 місяці тому
I love that a black hole conversation is always an opportunity to learn. There’s so many profound intricacies and subtleties about them that we don’t even know yet that just spark the brain to wonder. I’m going to make it my goal to keep learning about these fascinating cosmic phenomena.
@MAJ0ROCEL0T
@MAJ0ROCEL0T Рік тому
I love watching these not only for the awesome high level information but to see how good of a teacher these experts are. They say you don't fully understand something until you can teach it to a child and I feel like some times experts really don't understand that part
@duchess8762
@duchess8762 Рік тому
Discussing things on different levels is one of the most underrated skills out there. Also the ability to recognize which of those levels you should use on particular people is a hard skill.
@d.j.beshears1405
@d.j.beshears1405 Рік тому
Can't someone at the lowest level understand someone at the highest level if they tried hard enough? Do they really need to go through years of training to understand the subject at it's core?
@Mushroom321-
@Mushroom321- Рік тому
Such a great Example for people to learn.. ways to explain something.. in different levels..
@user-ez7zm1rp9p
@user-ez7zm1rp9p 9 місяців тому
Watching this made me realise how much i knew about black holes at the age of 14 but it also makes me want to know more its this seek for knowledge that makes a physicist and i have been proven that in many occasions on my own.
@IExist496
@IExist496 8 місяців тому
Same here mate, exactly the same
@cooky2991
@cooky2991 Рік тому
Black holes are incredibly fascinating to me. The things she explained to the 11-year-old child are very similar to what I had trouble grasping in 10th grade at 16. The way it was packaged makes a lot of sense and is easy to understand + asking about the previous conceptions and working around them is an incredibly effective teaching tool that should be utilised a lot more. The higher the education level, the harder it was to understand, though I'll admit that I was a little bit lost starting at some parts of the college student chat, and if I didn't have a great interest in general scientific material and read a lot of articles, following the conversations with the grad student and expert probably would have had me completely lost, instead of just majorly xD
@judethaddeus9856
@judethaddeus9856 Рік тому
I ABSOLUTELY LOVE how this professor explains this, my favourite astronomy topic
@TheIainCollier
@TheIainCollier Рік тому
I love listening to people who know what they’re talking about, talking about what they know…..Thank you
@Wisteria_9
@Wisteria_9 2 роки тому
You know she's an Astrophysicist without knowing her job prior to it if she's that good at explaining to even the child and even to an expert
@daveraphaelignacio7748
@daveraphaelignacio7748 2 роки тому
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!!!!
@mareklwhip4590
@mareklwhip4590 5 місяців тому
It was crazy for me to sit through this video and be able to grasp at the concepts they were discussing even at an expert level.
@ridaanwar5487
@ridaanwar5487 Рік тому
Love the fact that till the time of grad student it's more of a discussion. Brilliant series 👏
@ridaanwar5487
@ridaanwar5487 Рік тому
And here I am not understanding even the 5year old level 🙈
@xTygrs
@xTygrs 2 роки тому
I busted out laughing when she said “thermonuclear fuel” to an 11 year old 😂
@proffoctopus66yearsago22
@proffoctopus66yearsago22 Рік тому
ikr she could've used familiar words too like the energy of the star dies out.. something like that could've worked. Im pretty sure that kid walked out only understanding half the stuff she said and confused on what the other stuff meant
@mikerivers7559
@mikerivers7559 Рік тому
These arrogant word salad over educated types never have children. They indoctrinate other people's children.
@AaraBeloved
@AaraBeloved Рік тому
11 year olds are taught different types of energy in grade school-
@proffoctopus66yearsago22
@proffoctopus66yearsago22 Рік тому
@@AaraBeloved yeah but this is kinda overdrive even for them
@AaraBeloved
@AaraBeloved Рік тому
@@proffoctopus66yearsago22 Yea, I guess you're right. There were definitely simpler ways to explain it to a child.
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