The Map of Black Holes | Black Holes Explained

День тому

Check out Brilliant here: brilliant.org/DOS/
Get the Map of Black Holes poster and Professor Astro Cat books here: store.dftba.com/collections/d...
This is the Map of Black Holes which isn’t a map of where all the black holes are in space, it’s a concept map of the subject of black holes: laying out our current knowledge of them. Their structure including Schwarzschild radius or event horizon, the singularity, photon sphere, innermost stable orbit, accretion disk, Hawking radiation and the difference between rotating and non-rotating black holes. I also look at the evidence for their existence, the many ways we have detected them though x-ray astronomy, gravitational wave astronomy and radio astronomy. Then the many outstanding mysteries still to be solved including wormholes, the holographic theory and information paradox. They are very fascinating objects indeed.
#blackholes #space #DomainOfScience
-- Get My Posters Here ---
DFTBA Store: store.dftba.com/collections/d...
RedBubble Store: www.redbubble.com/people/Domi...
I have also made posters available for personal or educational use which you can find here: www.flickr.com/photos/9586967...
- Some Awesome People --
And many thanks to my $10 supporters and above on Patreon, you are awesome!
Join the gang and help support me produce free and high quality science content:
/ domainofscience
Bob Milano
Raj Duphare
Ben
Anca Selariu
Doug-Duggio Peterson
Eric Epstein
Hipotures
Kamil Qbitskey
Mirik Gogri
noggieB
Petr Murmak
Prabhakar R
Reggie Fourmyle
Sandy Toye
Sebastian
Terrence Masson
Theodore Chu
David Renshaw
-- Special Thanks --
Special thanks to Douglas Scott and Henry Reich for their fact checking support.
-- My Science Books ---
I also write science books for kids called Professor Astro Cat. You can see them all here:
store.dftba.com/collections/d...
profastrocat.com
-- Follow me around the internet --
dominicwalliman.com
/ dominicwalliman
/ dominicwalliman
-- Credits --
Presented, filmed, art, animation and edited by Dominic Walliman
I use Adobe Illustrator and After Effects for the graphics (for the many people who ask :)
-- Chapters --
00:00 Intro
01:32 Curvature of Spacetime
05:05 Black Hole Creation
07:39 Black Hole Classification
09:25 The Anatomy of Black Holes
14:35 Evidence for Black Holes and Observation Techniques
19:13 Theory of Black Holes
21:01 The Mysteries of Black Holes
25:37 Sponsor Message

КОМЕНТАРІ: 758

@andyk2181 2 роки тому

This better not be a video of you folding a map in half and poking a pencil through it!

@nehaseth2793 2 роки тому

That's kinda creative 😂😂... Here before this comment has 20 likes😀

@s4ih315 2 роки тому

@@nehaseth2793 here when your reply got two likes

@michelberden3717 2 роки тому

Isn't that a wormhole?

@srinathprakash7042 2 роки тому

Isn't that a wormhole explained by Dr.Romilly in Interstellar

@srinathprakash7042 2 роки тому

@Lars Norberg Thought we were talking Black holes here. Anyway, Have a good day

@David-bh7hs 2 роки тому

I am very pleased that you took a realist, observationalist perspective when it comes to astrophysics. Too many science "educators" only want to hype up a crowd, instead of telling them what we actually know. That is the wrong way of reaching to the public, over promising the actual knowledge in the scientific lexicon is a quick way to ruin someone's trust in scientists. The fact that you have the guts to say "this makes no sense, so it probably isn't true, we just need to find out why" is amazing. Too many people go "science is WACKY! Isn't that cool!" and in doing so destroy the credibility and tradition of years of scientific research.

@bjrnvindabildtrup9337 2 роки тому

I agree. Lot of math "educators" like that as well, like the numberphile youtube channel. The camera guy says something akin to "but hey, that don't make any sense" and the mathematician just sits there like "Precisely! isn't that cool how it don't make sense". And they forget to mention that they work under a completely different framework than normal everyday math, the kind that makes intuitive sense to laymen.

@yash1152 2 роки тому

> _over promising the actual knowledge in the scientific lexicon is a quick way to ruin someone's trust in scientists_ yeah, like mine did gradually... somewhere between the period of last 2 years and last 2 months...

@ivoryas1696 2 роки тому

@@yash1152 Yeah, but if you were to inform yourself about science, you can legitimize and verify your skepticism. Just curious, have you tried to?

@yash1152 2 роки тому

> _...tried to legitimize and verify skepticism?_ @@ivoryas1696 as in? reobserving and rechecking if it matches or not?

@NarynbekGilman 2 роки тому

On the other hand, the Universe is under no obligation to make sense to us. Indeed, there are some scenarios where we have to work with infinite densities or singularities. So, actually, we don't know what's happening there. We can't yet boldly state either that there are no singularities.

@eshan967 2 роки тому

we need more chanels like dos, kurzgesagt, veritasium, pbs spacetime, numberphile, science asylum and vsauce.

@s4ih315 2 роки тому

much more people would get into science!!!

@michaelaramis1210 2 роки тому

dont leave out smarter everyday :)

@pasijutaulietuviuesas9174 2 роки тому

These channels are great for visual surface-level introductions and inspirations, but to get a deeper understanding, yet still maintain the intuitive and visual idea, I highly suggest 'Physics videos by Eugene Khutoryansky', ScienceClic, 3Blue1Brown, Fermilab, Socratica, Huygens Optics, Mathemaniac, etc. If anyone else wants to share great science channels, I'm all ears. Also, speaking of PBS SpaceTime, I also suggest the now-defunct channel PBS Infinite Series, although it's dead, it still has some absolute gold videos.

@michaelaramis1210 2 роки тому

@@pasijutaulietuviuesas9174 cool list, does zack star makes it in your list?

@pasijutaulietuviuesas9174 2 роки тому

@@michaelaramis1210 I've seen some of his videos, but I don't remember well which category I'd put him in. Should probably rewatch some videos from his channel.

@antonkucera6608 2 роки тому

The way he conveys this information in such a fascinating and engaging way is worthy of global recognition Keep up the great work Dom!

@badmonkey2222 2 роки тому

I wouldnt go that far

@robstringer100 2 роки тому

Global recognition lol... earth is flat ! But cool story bro 😎

@reallynoname 2 роки тому

@@robstringer100 believe whatever you want, I don’t really care anyways…

@Strype13 2 роки тому

If you aren't familiar with it, you should also check out Anton Petrov's channel. If you like this one, I think you'll enjoy his as well. Anton, meet Anton.

@domainofscience Рік тому

Hey thanks! That's such a nice thing to say :)

@saikashyap9125 2 роки тому

The smile at the end .I can see fear in it

@domainofscience 2 роки тому

It's the fear that drives us.

@masternobody1896 2 роки тому

@@domainofscience you should read Quran that book is epic

@harshavardhan9399 2 роки тому

@@masternobody1896 fck quran

@antares1840 2 роки тому

@rover That would be the mass of the remnant not the mass of the whole star.

@ananyabhagat7052 2 роки тому

@@masternobody1896 dude please not here , read the room

@upandatom 2 роки тому

Your breadth and depth of knowledge is so impressive 🤩

@anavrinamrak7370 2 роки тому

OMMMGGGG I Have a HUGE Crush on you!!! Will you go out with me?!

@wimpykid004 2 роки тому

@@anavrinamrak7370 man correct your English and stop being a random simp

@Nimish204 2 роки тому

@@anavrinamrak7370 you really are a creep

@Drefar 2 роки тому

Just study and you will also be a Brilliant Fake...

@thejollyman 2 роки тому

Thats not knowledge thats repetition, does he know gravity is not even a force! Space is fake.

@MedlifeCrisis 2 роки тому

I love your map videos 😍

@domainofscience 2 роки тому

Thanks Rohin! Glad you like them ☺️

@F00LSG0LD215 2 роки тому

@@domainofscience Isn't that map FROM Kurzgesagt? If not they had one very similar or a very similar channel had one.

@mizzshortie907 2 роки тому

@@F00LSG0LD215 was thinking the same thing

@eresoup7229 2 роки тому

@@F00LSG0LD215 don't think it is and if it is that doesn't matter, Kurzgesagt normally explains things in much less detail compared to DoS, leading younger audiences to tend to Kurz and maturer audiences that really want to brighten their horizons over here

@babaranwar5462 2 роки тому

@@eresoup7229 admittedly I'm 13 (this is my dad's account) and I agree with you fully regarding the target audience/demographic of Kurzgesagt. I also want to point out that this is probably a method Kurzgesagt uses to make their viewers more attached and addicted to their channel. It's funny, honestly.

@carlosmadriaga1409 2 роки тому

This is perfect because I'm about to study black holes for my astrophysics course next month.

@wat2206 2 роки тому

@risav202 2 роки тому

Are you a weeb?

@twenty-fifth420 2 роки тому

This man about to pull an Infinite Void from a youtube video. His first step towards his ascension above the heavens and the earth.

@akashparia9111 2 роки тому

University? Please

@XeZeLgotdrip314 2 роки тому

From where

@hdxk8148 2 роки тому

I hope the devs will eventually fix this "Black Hole" bug, it crashes the game if you get succed in. But jokes aside this was the most informative video on black holes I've seen so far. Can't imagine how much work and time it was to make this.

@mr9293 2 роки тому

It's not a bug. The Universe is just rendered real-time but the PC of the simulator can't handle all that mass in that point. So it creates a black hole to not cause an error. I prefer the black hole over the simulation-stopping error

@dibeos 2 роки тому

All these maps that you make are extreeeeeemely useful, because they give a general picture of each subject. I remember when I just entered in college to study physics, and for me there were so many distinct attractive areas that it was hard to decide which one I would focus my carrier on. If I had one of your maps back then, i’m sure that my process of decision would have been smoother. Just want to encourage you to continue “mapping” ONTO the whole realm of science and math haha. Great job!

@valeriag2842 2 роки тому

I just love the posters. There's something about the design, the details, EVERYTHING. These are such high quality videos

@kaku1985 2 роки тому

As always, an excellent video with the extact informtation density needed for drawing a map of something, just awesome. Keep spreading knowledge! - One of you patreons

@danielpirone8028 2 роки тому

Fantastic video - thanks for sharing! Also the dudes pruning trees in the background was amusing

@aaronjosephalbert6917 Рік тому

pls put a time stamp on when that happened

@nancykimmel6008 2 роки тому

This was very well done. I appreciate getting exactly the information I needed and the extra scientific theories that are currently available.

@jimoo3751 2 роки тому

I really appreciate your explanations and your effort to spread so much scientific content! I follow this channel since i was in middle school, and now i’m studying to enter university. Always been interested in astrophysics, particularly black holes, so thank you for all your work! I learn so much from it, and also can improve my english listening skills :)

@zetadroid 2 роки тому

I teach an advanced gr lecture in my uni and I must congratulate with you, because this is quite a good video with a complete and accurate summary.

@bastiaanwilliams5311 Рік тому

Only clear and no nonsense video on UKposts about black holes. Thank you.

@TheWestifyable 2 роки тому

Ya solid video bro. I’ve watched a TON of black hole videos and this is one of the best. Space is wild.

@cheaterxl243 2 роки тому

Im about to learn about Black holes in about two years for school so this video is perfect for having a huge headstart.

@aniruddhamrao9600 2 роки тому

Making a concept flowchart in the form of maps is way better than making complicated notes

@galinavidenov5417 2 роки тому

I can't imagine how much time and effort you put in your videos! You are really smart! I want to study physics and your videos are really amazing and helpful!

@di9italzero500 2 роки тому

This guy has some of the best content on youtube. Great work. Thanks.

@KalebPeters99 2 роки тому

Fantastic as always! Man, black holes are crazy. There's something oddly satisfying about the no hair theorem haha

@wally_g5192 2 роки тому

Best explanation and visual demonstration of escape velocity ever! Great video!

@gueuledange06 2 роки тому

One of the best black holes videos I've ever watched . Thank you for all the information

@All_Loves_Lost 2 роки тому

I have never seen a concept map before I watched your videos but how wonderful-!! You have done such a good job-!!

@viewedharbor4668 4 місяці тому

Omg Professor AstroCat was my childhood. I never knew one of my favourite channels made the books that got me interested in space and science.

@TheEtAdmirer 2 роки тому

I love these videos, graphics and maps really help with comprehension

@aaaaaa2362 2 роки тому

Now this is the content I’m looking for.

@bballanalytics1552 Рік тому

Amazing video! Deserves 10M+ views. Much better than the other content out there. Respect my friend. Keep it up!

@kagannasuhbeyoglu 2 роки тому

Thanks a lot DoS. I'm learning. I love this channel.

@tolic14ever 2 роки тому

New information packed content... much thank you❤

@The_Tormented_One 2 роки тому

I am a new subscriber of your channel. Came here after getting this channel suggested by veritasium. And your content is truly fantastic,informational and easy to understand. Love your content. ❤️👍

@wat2206 2 роки тому

I AM SOOOOO READY FOR THIS

@Beryllahawk 3 місяці тому

Singularity RING. That is a completely new thing to me, which is pretty damn cool on its own. Only just discovering your channel due to the Map of Plants (which was lovely!) and this video was also just wonderful! The maths and theories around black holes are mind-melting, but you've made the information approachable without dumbing it down and without over-dramatizing it. And it's still exciting and fun because of the art! I really wish something half this useful had been around when I was still in school.

@kantanlabs3859 2 роки тому

Another breathtaking summary of a fascinating domain of physics!

@izabel_ch 2 роки тому

Great video, thanks!! I hope for more💕

@GrandAdmiralMitthrawnuruodo Місяць тому

It always delights my heart, when you say: „This is still active research“, it gets me very excited for my future! 😃

@P.L.D. 2 роки тому

Amazing video, and definitely I will buy the books! All of them, because science is priceless!

@dasibaho 2 роки тому

You definitely should make a book with all of your beautiful maps. I would buy it for sure ❤️

@sebastianclarke2441 2 роки тому

More black hole mysteries to ponder: How do gravitational waves interact with frame dragged space time? Does a black hole block gravitational waves passing through it and absorb its energy? Or would they pass right through, possibly extracting information? What would a black hole merger with a white hole look like?

@fjbayt 2 роки тому

Gravitational waves are formed from the frame of space time. They are space time bent by gravity and transmiting the information of the "bent" at the speed of light and as they rotate they take the form of a wave. Black holes lose energy in the form of gravitational waves, in BH mergers there is a swirl of gravitatioal waves that interact with the path they take when coliding, and when they colide and they form a new BH there is massive conversion of mass/energy in the form of gigantic grav waves that carry many solar masses away. The information of the wave depends of the closest patch of space time, that patch or quanta is one of the mysteries of quantum gravity. White holes have not yet been discovered... The best candidate is the beginning of our Uhiverse, and that "white hole" gained against the primordial BH that existed in the early Universe.

@majacovic5141 2 роки тому

@@fjbayt Can you give more details? Like, what is the "bent"? How does a gravitational wave change spacetime - like a spring, like a sine-wave, what? What makes a gravitational wave gigantic? What dimensions does it have? As in, a release of a 100 solar masses of energy would do what exactly to spacetime? Thanks

@fjbayt 2 роки тому

OK, ill try, first the gravitational wave is a distortion or ripple (with bents) of space time. Space time, is acording to relativity a geometry that is influenced by energy (mass is just a property or expression of energy) and simultaneously mass/energy follows that geometry in motion. Imagine a pond, when you wave your hand in the pond, the water molecules are dislocated by the presence of your hand and then they carry some of your energy (because you spent some effort in moving the water) then they radiate from your hand outwards in the form of a wave, and that is information being carried by the water informing about the energy exchange that you produced, if the wave that you produced reaches a leaf in the water the leaf will go up and down following that wave, corresponding to the energy being transmitted, and if you oscilate periodically you get a sine wave. Now General relativity is very close to this picture, but space time is very stiff, it takes enormous mass/energy to produce a wave that we can detect, although every time we move our arms we are producing gravitational waves (but too tiny to detect), the amount of energy that you need to displace space time you lose that energy to the wave, trading rotational energy for it too for example, then that distortion of space time is radiated and the with super sensitive lasers we can detect the wabble that they produce, by the interference pattern they induce in the laser detector. Now in the pound analogy what we do not know exactly is what are the corresponding water molecules in space time are, what is the tiniest patch of space time that you can measure, what is the space time quanta and how they transmit information to each other. We already know exactly how electro magnetical waves function for example, and an electron is an example of a quanta in the electron field. In the extreme case of a giant gravitational wave close to the center of mass of a BH if you were feet down first they would start stretching (in the 3 spatial dimensions) first before it reached your head, also the time at you feet with go slower than in your head (from your head perspective) thats what they call spaggehtification by Black Hole. Study these topics, there is a lot to learn, and its fascinating...@@majacovic5141

@majacovic5141 2 роки тому

@@fjbayt thank you, that made sense. I'm really curious abou *how* the fabric/geometry is distorted. I figure the pop-science animations are metaphors/oversimplifications? Maybe I wont understand it but still, fascinating. Thanks

@fjbayt 2 роки тому

@@majacovic5141 Start with special relativity, lorentz transformations and minkowski diagram of space time, watch how the referentials bend to acomodate the light speed constant with 45º angle, then imagine that information traveling at the speed of light outwards, then if youre up to it, general relativity and penrose diagrams, there is lot of visual and good videos about these topics. If youre trying to understand how space time bends in a quantum way, no one knows for sure and there is a Nobel Prize for the one that answers that question. We have to accept that somethings we cant know for sure...for now!

@leonardoalvarez7504 2 місяці тому

Wow! What an amazing video! You actually explained it all so simply and and easy! Congrats

@ajaykumarchauhan6312 2 роки тому

Wonderfully informational videos, like from a beginner to a pro level its informative, bless you and thank you vey very much brother.

@sciencepetr5179 2 роки тому

Dom this is wonderful. A really useful overview of the topic. Great map, great video.

@sirfer6969 2 роки тому

100% agreed, liked and subsribed. Also one of the good things about Doms videos is all the interesting video links on the side. The Wikipedia rabbit hole has been replaced by the YT physics rabbit hole

@yash1152 2 роки тому

@@sirfer6969 wikipedia rabbit hole has great suction ;)

@sumanthkulkarni3395 2 роки тому

Love your work!

@lisabradshaw 3 місяці тому

Love these maps! Both entertaining and educational.

@faustustm 2 роки тому

Great work on this topic and many others on your channel. Two remarks about this video: 1. I would like to get a little more information about quasars and especially pulsars and how they are "different" from supermassive black holes. 2. I also missed information about magnetars when you mention about neutron star as some people confuse magnetar with pulsar Keep doing this incredible work and educating people about this difficult concepts in much simpler and easier to understand way!

@Electru522 Рік тому

I know I'm incredibly late, but I only just found this channel. Hopefully I can give a little insight. Quasars are the result of black holes actively feeding. Those "relativistic jets" he talked about contain just a stupid amount of energy, and when they are pointed in our direction, we can detect them from across the entire universe. A Pulsar isn't actually a black hole, but a Neutron Star, which Magnetars are also. Neutron Stars honestly require their own little map like these, since they are about as varied and mysterious as black holes are (the only real difference is that we can actually make sense of Neutron Stars....at least on the surface.... literally). Neutron Stars tend to have magnetic fields that are, again, just stupidly powerful. The most powerful of these, the Magnetars, have magnetic fields so strong that they can rip you apart atom by atom. However, they don't tend to last very long (astronomically speaking), and the magnetic fields die down to a more "respectable" level (that is still stupidly powerful, just not atom ripping powerful). This left over magnetic field creates jets of light at the magnetic poles of the Neutron Star, and since everything in the universe has a spin, these jets of light spin with the Neutron Star. Every time this jet of light passes over us, we can see a very distinct jump in brightness of the Neutron Star when we observe it, causing it to "pulse" in brightness. Hopefully that answers your questions that you asked nearly a year ago!

@faustustm Рік тому

@@Electru522 thanks for clarification. So additional question if I may. if quasars and pulsars both has jets that can be detected when that jests points towards Earth so how we distinct pulsar from quasar. Also I read somewhere that all Black Holes rotating (while some neutron stars does not) - does it mean that black holes also have magnetic field like magnerats?

@Electru522 Рік тому

@@faustustm Quasars are typically found from billions of light years away. In fact, we believe that no Quasars currently exist, and were only a product of the early universe when conditions were far more violent. Pulsars, however, can be found in our very own galaxy. Their brightness, when compared to Quasars, is like trying to see a candle on the moon on a sunny day. Quasars can outshine their entire host galaxy, while Pulsars simply don't have that kind of power. Also, part of the definition of a Pulsar is a rotating Neutron Star, so, I don't know where you heard that Pulsars don't rotate. But, Quasars would have magnetic fields, but not from the black hole. Instead, the magnetic field comes from the material in the accretion disk. I believe the strength of the magnetic field comes from just how much stuff is in the accretion disk, and possibly what exactly is in it as well. That being said, the strength of these magnetic fields simply can't compare to Magnetars. Those things are on another level.

@faustustm Рік тому

@@Electru522 thanks a lot... I've finally found answer for some of my long lasting questions :) Many scientific books I've read are too complex for someone like me (just starting) and others ("for beginners") does not address this differences I was always struggling to grasp. One more time thank you very much

@davy7366 2 роки тому

Best video about black holes not too much information just simple intuitive answers

@jimkon5767 2 роки тому

The way you break down theories for the layperson is very evident. Congrats! I agree with one of your last statements that we will never truly know lol ....

@L4ky13 2 роки тому

I truly appreciate your videos.

@tyronebigsby2169 Рік тому

This was explained EXTREMELY well

@smartdoctorphysicist3095 2 роки тому

Hi thank you this is super good, I will try to get a copy of you maps which look good, I hope some time next years. Please keep up the good work.

@darkenergydoesnotexistbyjo1473 3 місяці тому

This is the most concise explanation I have seen about black holes. You raised a couple of questions one of which is "what is mass". Matter gets destroyed during a black hole's formation but it seems that mass is conserved. So, what exactly is mass (not as a property of matter).

@bigwig8657 2 роки тому

Loved this video, black holes are utterly fascinating, after I die if there were an afterlife I would just want to float around and have someone explain the mysterious as stuff in the universe tbh.

@TheFos88 2 роки тому

That would be amazing

@isbestlizard 2 роки тому

I hope there are quark stars. It'd be awesome if in a couple of decades they can be added to black holes as having been predicted then observed :D

@alextube9639 2 роки тому

That is crazy. You advertise those books for those who do not know while I actually bought "Professor Astrokatz" (german) years ago and didn't know the channel exists and now watch you for the first time.

@seanmortazyt 2 роки тому

fantastic content and format

@prachuven 2 роки тому

Another amazing video!! Thank you!

@kchilvers1758 2 роки тому

My son and I love your videos, thank you so much for making them.

@senjunight5341 2 роки тому

a very good explanation on the topic of black holes :D

@rowangoebel-bain3447 2 роки тому

my favorite channel out there !!

@purplerats7215 Рік тому

<a href="#" class="seekto" data-time="1255">20:55</a> had me cracking up. Thanks for the video! Learned a lot :D

@dragoda 3 місяці тому

your work is amazing.

@casasdomundo Рік тому

Thank you so much you are the best teacher!! This video is amazing like all videos in your channel.

@theprophecy3302 2 роки тому

I love your videos. They are extremely intrwsting

@samwolf7445 2 роки тому

Well i think that i watched your whole videos and learned many things. Thanks for that. And if you dont mind, please make a map of logic.thanks again

@ivoryas1696 2 роки тому

<a href="#" class="seekto" data-time="920">15:20</a> Honestly, I can't specifically even remember the last time my mind was own that hard. Energies that dwarf fusion that aren't just straight up annihilation is something I forget exist, even sometimes when black holes are the talking point...

@SocksyyAU 2 роки тому

Great video! very well presented :D

@subifyonline2831 2 роки тому

Wow! 😮🤩 Great content!

@utsavbhurtel 2 роки тому

As a science lover who is just at tenth standard, I often revolve a question that why does the universe behave the way it is behaving. Many might ask why do things exist but I think the other question might be what would there be if nothing were there. Well, I haven't come up to the answer yet but I am pretty sure science had/has/will have the answer. Love your videos. Continue making such wonderful scientific videos.

@sudhanshu2802 2 роки тому

something can't come from nothingness, humanity will find and answer one day.

@anomalocaris540 2 роки тому

you made astrocat books!!!! i love them!!!!

@berserkerviking1 7 місяців тому

Great overview given such a short amount of time!

@nadakarimi856 2 роки тому

Omg, If this is poster which is available definitely I need it

@nadakarimi856 2 роки тому

Oh yes its available :)

@salt4045 2 роки тому

ok then

@johnpryke8249 2 роки тому

ofcourse another amazing vid

@brianbailey7128 6 місяців тому

So interesting. Thanks!

@betrezahn 2 роки тому

Hey! Thanks for great Astrocat book. I have one!

@pipersolanas3322 2 роки тому

Brilliant video and map

@gowrissshanker9109 2 роки тому

Respected sir, I have some questions, it would be very helpful if you could answer for me,.... 1)Is it possible to produce em waves by oscillating the magnet to certain frequency?....if possible please explain how it's created sir 2)Can we produce em waves by oscillating the vandegraff generator?what's the difference between em wave produced from magnet, vandegraff,and AC current? 3)where does the energy of em wave come from?where the energy of em wave taken away from?? 4) how can an object obsorb the em wave...what does black body do when em wave falls on it,does it produce out of phase light wave which destructively interfere on incident wave...how can a em wave be destroyed? 5)can linearly accelerating, circulating, spinning charge produce light? How will that light look like? 6) does all AC circuits produce em waves, will AC circuit glow visibly when its frequency is frequency of visible light....why DC current does not produce em waves.... even though electrons collide with nucleus of the conductor and losses energy and ACCELERATES? 7)Why cannot neutral objects (Eventhough having positive and negative charge) does not produce em waves ...is it possible to produce em waves by shaking or vibrating the neutral object to certain high frequencies....how black bodies produce em waves?? Thank you sir

@lenora_v1366 2 роки тому

I would absolutely love it if you made a map of statistics next!

@yash1152 2 роки тому

<a href="#" class="seekto" data-time="75">1:15</a> nice that u mention the true origins of it, and other names too. i didnt know this. <a href="#" class="seekto" data-time="104">1:44</a> "the more dense..." i like the choice of this term over "more massive" *I am ALREADY LIKING this video* - yay for precision and good communication also nice that u havent restrained the captions - so that i could move them elsewhere from bottom - otherwise, when the captions properties are altered, they jump back to the bottom again on the next line <a href="#" class="seekto" data-time="411">6:51</a> too

@boum62 2 роки тому

My young son sent me this link. Your video was super. Well done my friend.

@patrickgardiner1790 2 роки тому

Love the background.

@bidyarthidutta1703 2 роки тому

Very nice presentation!!!

@pixbo9133 2 роки тому

Please make a video about spin and helicity/chirality and the difference between them.

@ferretappreciator 2 роки тому

God I absolutely adore these maps, and I've been obsessed with black holes ever since I was a toddler. I have wanted to throw myself into a black hole ever since I knew what they were

@user-xu4jc5ie2p 2 роки тому

Ur explanation is so impressive sir... keep it up 👍

@kushagrabisht6548 2 роки тому

best explanation sir

@abdelrahman_osama 2 роки тому

Well I have just watched Interstellar and this is gonna be interesting

@Justin-cw7zf 2 роки тому

Interstellar is great

@eriktempelman2097 2 роки тому

Care to make a map of all movies that have black holes in them? :-)

@LE0NSKA 2 роки тому

lovely note to end on

@smbhquasar1527 2 роки тому

Blackholes, one of my most favorite topics about space.

@aashsyed1277 2 роки тому

Thanks a lot!!!!

@jaymanager2676 2 роки тому

Great video!

@srijantiwari8152 2 роки тому

Awesome video

@ramraj6616 2 роки тому

How are you so good at explaining this than any of my teachers ever?!?!?!?!

@ayssersoussi6198 2 роки тому

I have 6 questions: 1-Does a firewall exist around a black hole? 2-Does general relativity break down in the interior of a black hole due to quantum effects, torsion, or other phenomena? 3-Do black holes have an internal structure? If so, how might the internal structure be probed? 4-What is the origin of the M-sigma relation between supermassive black hole mass and galaxy velocity dispersion? 5-Did the most distant quasars grow their supermassive black holes up to 10^10 solar masses so early in the history of the universe? 6-Do black holes produce thermal radiation, as expected on theoretical grounds? If so, and black holes can evaporate away, what happens to the information stored in them (since quantum mechanics does not provide for the destruction of information)? Or does the radiation stop at some point leaving black hole remnants?