Avery Broderick Public Lecture: Images from the Edge of Spacetime

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Perimeter Institute for Theoretical Physics

Perimeter Institute for Theoretical Physics

Күн бұрын

On Oct. 3, 2018, Avery Broderick (Perimeter Institute Associate Faculty member and Delaney Family John Archibald Wheeler Chair) delivered a Perimeter Public Lecture on humanity's quest to glimpse black holes using the Event Horizon Telescope.
Perimeter Institute (charitable registration number 88981 4323 RR0001) is the world’s largest independent research hub devoted to theoretical physics, created to foster breakthroughs in the fundamental understanding of our universe, from the smallest particles to the entire cosmos. The Perimeter Institute Public Lecture Series is made possible in part by the support of donors like you. Be part of the equation: perimeterinsti...
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Пікірлер: 680
@markboccaccio
@markboccaccio 2 жыл бұрын
It is amazing to me that there are human beings, creatures alive at this very moment, who understand this Man as easily as I do Frank, my next door neighbor, who just told me about his 8 year old daughter Brenda’s progress in Elementary School . She recently learned the correct way to pronounce the word “Infinity”
@markboccaccio
@markboccaccio 2 жыл бұрын
Boy does this guy gotta work on his delivery!!
@ProspectstudiosCoUkBFD
@ProspectstudiosCoUkBFD 2 жыл бұрын
Ddaonjngpxphpxpdp pvpzpzzckbv LP
@procactus9109
@procactus9109 5 жыл бұрын
This guy is good. One of the best on black holes I've seen.
@rodneyadderton1077
@rodneyadderton1077 4 жыл бұрын
Star collapses do something else we produce beastars will produce black holes when they die and produce black hole looks like this is a massive star something like 40 or 50 times when this star died its core collapses into a black hole that black hole it consumes star collisions in those beans produce the cameras that we detect here on Earth and eventually the death of the star ends with the same sort of supernova. Took about 15 or 20 seconds time a 40 solar mass star will actually die in Pretty in a comparably amount of time so this is an incredible satellite look for signs that somebody was violating the tree and performing a test which would a flash of memory without lights with great and they detected many flashes are family and fortunately for when we saw this Camry what we finally determined that we were seeing flashes of these dying stars from other galaxies we've now quit up dedicated telescopes job is to look for a gamma ray burst and to tell us when one has happened as quickly as possible so we can try and study them spacecraft a tailored telescope is it will sit there waiting for us to go off somewhere.
@ossiedunstan4419
@ossiedunstan4419 3 жыл бұрын
@@rodneyadderton1077 Stars do not collapse . Stars loose MASS from ejection of matter , Not radiating light.
@DonH_Zeroth57
@DonH_Zeroth57 4 жыл бұрын
I just watched this video. Even with limited knowledge of this topic, I enjoyed it and Dr. Avery Broderick presented this in an amazing manner so that I could follow along.
@upsydaysy3042
@upsydaysy3042 5 жыл бұрын
Scientist with a ton of qualifications and expertise gives lecture on his topic of research. People comment on his hair, glasses, weight, shoes, breathing problems, gender, perceived social skills. Last time ever I look down at the pit of you tube comments.
@SorenVemmelund
@SorenVemmelund 5 жыл бұрын
Hear, hear!
@Mona.2307
@Mona.2307 5 жыл бұрын
hahhahaha i agree
@mikelouis9389
@mikelouis9389 5 жыл бұрын
He was riveting except for his telescope size. 8 meters kinda jarred me as far as a home tripod mount.
@billymanilli
@billymanilli 5 жыл бұрын
@@mikelouis9389 I thought I heard bs... lol
@davidhenningson4782
@davidhenningson4782 5 жыл бұрын
Some insightful commentors out there... but for every gem... there's going to be alot of crap as well. KZfaq allows anyone with an account (and a pulse) to air their thoughts... it's all free... and you get what you pay for🙄 Great presentation though! I learned something about radio astronomy I didn't know before😊
@onebylandtwoifbysearunifby5475
@onebylandtwoifbysearunifby5475 3 жыл бұрын
Thanks for not "Dumbing it Down" too much👍 One of the best presentations on Radio Astronomy; and in context of Black Holes too. Both topics were joined nicely here.
@dustyfloor1896
@dustyfloor1896 2 жыл бұрын
Can't we be hopeful that we're not anywhere near a black hole. It's great that we can look at it and understand so much more about our universe. But the science it's expensive.
@edkoetsier339
@edkoetsier339 3 жыл бұрын
That was the best presentation I have ever seen of astronomical matters, hands down. Wow. Even when the Image was released.
@chrisdooley6468
@chrisdooley6468 4 жыл бұрын
As a definite amateur I totally enjoyed this lecture even though at points I thought my head might explode from trying to process some of the information lol. The guy is obviously very enthusiastic about his work which is infectious enough that it kept me until the end. I’ll definitely watch more thnx
@edysinsimon8646
@edysinsimon8646 4 жыл бұрын
I simply love this guy's rational of the cosmos!
@Thedudeabides803
@Thedudeabides803 5 жыл бұрын
The baloney ends and the part you came for starts at <a href="#" class="seekto" data-time="171">2:51</a>. And on a more positive note, this was fantastic.
@Metalkatt
@Metalkatt 3 жыл бұрын
Watching after the Event Horizon result came out. It's interesting how the colours used in the imaging are the ones they used for the simulations. (Don't get grumpy; we all know the images are false colour.) I'm impressed how much the simulations matched what we actually saw, structure-wise.
@frank1fm634
@frank1fm634 5 жыл бұрын
This was a good presentation.You need a special mind set to sit and watch this all the way through.
@kathyyoung1774
@kathyyoung1774 5 жыл бұрын
Frank1fm Actually just curiosity and a few college physics courses. I thought it was great.
@earthbjornnahkaimurrao9542
@earthbjornnahkaimurrao9542 5 жыл бұрын
Great Presentation. It is rare to have such a good speaker in Physics.
@Mirrorgirl492
@Mirrorgirl492 2 жыл бұрын
Try some Sean Carroll or Frank Wilczek
@davidhenningson4782
@davidhenningson4782 5 жыл бұрын
Great presentation!! I enjoyed it and learned a few things today😀 Keep up the fantastic content!!😊
@xcq1
@xcq1 5 жыл бұрын
That was a very brief Q&A considering there were probably so many more questions one could ask after this interesting talk.
@littleshell2748
@littleshell2748 3 жыл бұрын
They always are for some reason
@savage22bolt32
@savage22bolt32 2 жыл бұрын
My burning question: Why is the speaker wearing ruby slippers?
@ugowar
@ugowar 5 жыл бұрын
<a href="#" class="seekto" data-time="84">1:24</a>:11 Just imagine how many of today's scientists and engineers have been inspired to go into their respective fields thanks to a sci-fi show that dared to imagine a *hopeful* vision of our future.
@ossiedunstan4419
@ossiedunstan4419 5 жыл бұрын
Science fiction is just that , science fact is now where near science fiction , but assholes like nut case hawking`s with their ego driven science have put modern science back in the realm of druids. Stop putting hypothesis forward as the fucking truth .
@hmessec7682
@hmessec7682 Жыл бұрын
As much as I can minimally appreciate the amount of sheer data,, ingenuity, creativity, processing, and juggling all of that information and creativity (and more) to fit into a cohesive model of Black Holes. I am not facile enough in basic physics, Einsteinian (relativistic?) physics, and theoretic physics, or algebra through trigonometry, to have followed this presentation beyond the introductory portion, defining what would be included in the lecture. I believe for the first time I stand alone in being the only audience member who is ill prepared (education wise) to understand, even conceptualize, one of your (PI's) amazing lectures. Normally I find these lectures to be "self contained" and include almost all of the information to "puzzle out" the concepts and theories presented. This, to me, was enormously "open ended". As I stated, I was quite ill prepared. Now, could you repeat that one more time, please Dr Broderick, using small words in short sentences? (just kidding) More power to you, sir. P.S. It is now October 2022, I would love to know how current discoveries fit into Dr. Broderick's work. I suspect they "fit like a glove".
@reason5591
@reason5591 3 жыл бұрын
Excellent presentation. I was totally with him during the entire instruction from beginning to end.
@robydee920
@robydee920 5 жыл бұрын
One hour to first ever black hole image 🌑.Go team Earth 🌎
@julian73de
@julian73de 5 жыл бұрын
Love your comment!
@mikelouis9389
@mikelouis9389 5 жыл бұрын
It was pretty amzing.
@robydee920
@robydee920 5 жыл бұрын
@@mikelouis9389 yes it was and I liked your original comment because it's fairly possible that matter around black hole(accretion disc)is from stars that venture a little bit to close to black hole. Greetings from Pearl of Adriatic 🌅
@spencerwilhelm7517
@spencerwilhelm7517 5 жыл бұрын
I have no idea what this guy is talking about, but for some reason I just watched this from beginning to end.
@georgej.robinson4316
@georgej.robinson4316 3 жыл бұрын
Spencer. There IS a reason, and you KNOW what it is. Reflect. Courage, man! Venture over the event horizon of your latent self, into "… that undiscovered ‘country‘..." wherein lies your brilliant, ideal self capable of comprehending ALL!
@daveglo100
@daveglo100 4 жыл бұрын
so im only 15 mins in so this might be mentioned later.... do black holes pull in dark matter/energy? those plumes being expelled look like they have so much more matter than you would expect from what has been consumed... maybe dark matter gets converted into something less exotic and hard to detect once swallowed by a black hole then expelled ?? equally if they dont consume dark matter/energy , why not ?
@callumgeddes5594
@callumgeddes5594 4 жыл бұрын
Came into this video thinking I knew a bit about physics, left knowing I truly do not know much about physics at all.
@MM-kq7eu
@MM-kq7eu 5 жыл бұрын
A rather pedantic style of lecturing. However, it's guys like this that are going to eventually figure it all out.
@aurelienyonrac
@aurelienyonrac Жыл бұрын
Dang yes pedantic. But no he won't figur out quantum gravity
@martingoldfire
@martingoldfire 5 жыл бұрын
The future of black hole astronomy seems bright, who'd a thunk it?
@martingoldfire
@martingoldfire 5 жыл бұрын
@Oners82 Nope, it's "thunk". I wasn't trying to say it correctly, but rather to use a well known expression from way back. Google is your friend :-)
@seymoronion8371
@seymoronion8371 5 жыл бұрын
Can confirm, it is "thunk".
@maverickmo8976
@maverickmo8976 5 жыл бұрын
No pun intended right? Amazing pun by the way lol
@rtarbinar
@rtarbinar 3 жыл бұрын
@Oners82 it's an old joke about the unnecessary complexity of English irregular verbs: drink drank drunk, sink sank sunk...think thank thunk.
@otrondal
@otrondal 2 жыл бұрын
Very nice lecture. So good you are an owner of an 8m telescope you can bring out.
@bennytheman2320
@bennytheman2320 5 жыл бұрын
Great presentation! I really enjoyed it!👍
@kirkhamandy
@kirkhamandy 5 жыл бұрын
<a href="#" class="seekto" data-time="2907">48:27</a> How sad and mildly ashamed I feel not seeing a pin in the UK. Good work guys, keep it up, look forward to seeing something amazing.
@OEFarredondo
@OEFarredondo 5 жыл бұрын
This dude is so amazing
@Encephalitisify
@Encephalitisify 4 жыл бұрын
They say the universe is expanding, and that eventually the light from distant objects will never reach us. Wouldn’t this make the universe essentially a black hole itself? So objects that release light would be so small in comparison to the size of the universe they essentially would be their own singularity.? I don’t know. I’m not a physicist. I’m just thinking or relationships.
@Guide504
@Guide504 5 жыл бұрын
Reach beyond your comprehension in order to better yourself. I would call that a noble endeavor provided its backed up with wider reading. Get grounded in the fundamentals and it will come to some degree.
@thoughtburgers2691
@thoughtburgers2691 5 жыл бұрын
Thank you for sharing this lecture. Very well done.
@kr7942
@kr7942 4 жыл бұрын
Our universe is amazing!
@snjsilvan
@snjsilvan 5 жыл бұрын
Congratulations to the sound engineers here. Rarely do they get things right in science lectures.
@n1k32h
@n1k32h 2 жыл бұрын
Look behind you it’s me
@NathanOkun
@NathanOkun 5 жыл бұрын
Pulsars are neutron stars, the smallest (?) non-black-hole object possible, has its angular momentum axis and its magnetic field axis usually not aligned, which is why they pulse. I assume that a black hole cannot have this, so any fields produced are aligned with the rotation axis. Thus, the very long pulsar-like jets fixed along a single line over long time-frames. Thus, such an alignment means that it is very unlikely that the object creating it is anything other than a black hole.
@bryandraughn9830
@bryandraughn9830 Жыл бұрын
This was a really good one! Thank you!
@Kuiriel
@Kuiriel 5 жыл бұрын
A very enjoyable lecture with passion apparent, thank you. Your jokes made me laugh, even if the audience didn't.
@gamebro511
@gamebro511 5 жыл бұрын
What passion? He was as dull as a dry sock =3
@Kuiriel
@Kuiriel 5 жыл бұрын
My poor fellow, you haven't heard enough science talks.
@andersask5503
@andersask5503 4 жыл бұрын
@@Kuiriel lol so true:)
@edgeofenlightenment7088
@edgeofenlightenment7088 4 жыл бұрын
Not dull just very layer back. But his love of the topics he covered is evident if your not blind and mean spirited. Good luck being a bitchy never happy human being
@andersask5503
@andersask5503 4 жыл бұрын
@@edgeofenlightenment7088 chill dude ppl are just joking. But if that is mean spirited.....
@urielpelaezcdmx
@urielpelaezcdmx 4 жыл бұрын
Top presentation. A lot of information in it. 😯
@moistdaddy451
@moistdaddy451 3 жыл бұрын
Incredible presentation
@vanderdole02
@vanderdole02 5 жыл бұрын
And it worked we now have the first picture of a Black Hole :)
@starvingbuddha7622
@starvingbuddha7622 5 жыл бұрын
Awesome lecture!
@dustyfloor1896
@dustyfloor1896 2 жыл бұрын
For humans to create a black hole would make a super collider larger than the ionosphere of Jupiter. We would have to make a structure larger than the orbit of Saturn to collect the energy needed
@-LightningRod-
@-LightningRod- 4 жыл бұрын
Science is cool thanx
@JazzyArtKL
@JazzyArtKL 4 жыл бұрын
Absolutely brilliance!
@HarryAcorns
@HarryAcorns 3 жыл бұрын
I still just can't wrap my head around the fact that all that matter sucked into a black hole ends up as a tiny molecule. I mean I believe them, it's just hard to fathom. I always wanna believe it's actually getting blown out the other side but the other side is a different dimension so we couldn't see it.
@erikjensen7865
@erikjensen7865 Жыл бұрын
Fantastic presentation
@Omni-Kriss
@Omni-Kriss 4 жыл бұрын
A superb presentation :) Thanks PI for uploading this!
@paxdriver
@paxdriver 5 жыл бұрын
Fantastic thank you!
@motobrikerestorations1354
@motobrikerestorations1354 3 жыл бұрын
really interesting topic which the lecturer when he warned up; made a must watch
@UpHigherMusicOfficial
@UpHigherMusicOfficial 5 жыл бұрын
Such eloquence!
@chrond33zy
@chrond33zy 3 жыл бұрын
So fluid great presenter
@LalitPathak07
@LalitPathak07 5 жыл бұрын
I applied to PITP for its master's program but i couldn't be selected.Currently I am a PhD research scholar at IIT Gandhinagar, India. I would like to come perimeter institute in future.
@twstf8905
@twstf8905 5 жыл бұрын
Wow, Got more Professors in the comments lol than usual I'm venturing to say, I know it's a stretch, that there's nobody in the comments proposing any more profound information than what's being offered in the actual video. Color me crazy.
@seymoronion8371
@seymoronion8371 5 жыл бұрын
There is no color, but there is crazy.
@eddipl5055
@eddipl5055 5 жыл бұрын
Can’t wait to see the results in 5 years when the event horizon finish their study.
@jeffrogers210
@jeffrogers210 5 жыл бұрын
"Waterloo! Couldn't escape if I wanted to..." :-)
@JSprayaEntertainment
@JSprayaEntertainment 3 жыл бұрын
they are GALAXIAN Lagrangian points. empty places in space that have Gravity , this is why the bigger the galaxy the stronger its central massive black hole .
@tomkelly8827
@tomkelly8827 4 жыл бұрын
I wonder, if nothing can move faster to the speed of light, according to E=mc2... is that still a valid claim if black holes can capture light that is attempting to escape? We are talking about a really strong gravity force, right? So are there gravity waves that are moving faster then the speed of light in black holes? Does that negate Einstiens theory of relativity?
@johntowner1893
@johntowner1893 4 жыл бұрын
Great Job.
@helicalactual
@helicalactual 4 жыл бұрын
the point is being missed entirely. The real question is what happens such that you could generate a curvature in the gravitational field such that you could generate enough energy to bend 1G worth of "Space" under a platform or on another planet?
@ThermaL-ty7bw
@ThermaL-ty7bw 4 жыл бұрын
still seeing a ''black hole'' as 3-dimensional i see it's not , how can it be ... there's nothing ''behind'' it it's a 2-dimensional ''object'' in 3-dimensional space it doesn't go anywhere , there's 2 jets most of the time , so that's out of the question ...
@simonsong1743
@simonsong1743 2 жыл бұрын
I think black hole is not the result of matter collapsing, but an original anti-matter galaxy just symmetrically corresponds to each of the matter galaxies. So we in fact have two universe, another one exists just like our own, all at the center of galaxies, in black holes. I.e, we are living in the black hole of Their Milky Way in the eyes of that anti-matter world.
@ossiedunstan4419
@ossiedunstan4419 2 жыл бұрын
Claim's with out evidence can be dismissed without evidence , you claim is as outrageous as religion. Black holes do not exist , Black is not part of the electro magnetic spectrum, Holes can never have mass. Here is the actual evidence against the label , Black joles, why when they where named over 200 years ago does a an ignorant christian get to name them. Black holes are just stars that do not radiate. Not holes solid objects. The black disc in the EHT image is the size of the dark star not the hole that cannot exist. John Michell (/ˈmɪtʃəl/; 25 December 1724 - 21 April 1793) was an English natural philosopher and clergyman who provided pioneering insights in a wide range of scientific fields, including astronomy, geology, optics, and gravitation. Considered "one of the greatest unsung scientists of all time",[1] he was the first person known to propose the existence of Dark Stars not black holes in publication, the first to suggest that earthquakes travel in waves, the first to explain how to manufacture artificial magnets, and the first to apply statistics to the study of the cosmos, recognizing that double stars were a product of mutual gravitation. He also invented an apparatus to measure the mass of the Earth. He has been called both the father of seismology and the father of magnetometry. The term “black hole“ was itself coined in 1968 by the Princeton physicist John Wheeler, who worked out further details of a black hole's properties. The most common black holes are probably formed by the collapse of massive stars. Stars do not collapse, they explode. Your entire post is nothing more than Psychotic Psycho Babble.
@cyrus05w
@cyrus05w 2 жыл бұрын
41 minutes 11 seconds, I'm loving the video although this aspect you mentioned of the water. I agree yes although if you put... You know what never mind I like the video keep going.
@cyrus05w
@cyrus05w 2 жыл бұрын
At 45 minutes 48 seconds on the dot, fingers crossed green stick technologies picks up the ball with those quartz crystal memory chips. Much joy to the leaps and bounds of tech and how far it's come along. I myself appreciate that dragon speech program and all it's done.
@lancekirby5141
@lancekirby5141 5 жыл бұрын
Great presentation. A question, at the beginning before the Big Bang, all the matter was in one place, wouldn't this constitute a black hole? If so, how did the matter escape the black hole?
@MrGaryFitzpatrick
@MrGaryFitzpatrick 4 жыл бұрын
This is a good question... anybody?
@dankuchar6821
@dankuchar6821 4 жыл бұрын
One of the explanations has to do with the expansion of the universe which happened so rapidly that black hole could not form. Personally, I'm not a fan of the inflationary models of the universe so I don't know about that one. The best answer has to do with the curvature of space time. At the beginning of the universe you just can't get space time to curve in such a way that a black hole can form because of the way all the forces were balanced at that time. However, The initial universe had to be balanced in a very particular way so that a black hole didn't form. And that is a mystery!
@ozgott1415
@ozgott1415 4 жыл бұрын
The instant before the big bang happened the laws of physics did not exist. So there was no Gravity, or Space, or Time, there was no mass, no particles, no light. So the possibility of a Black Hole before the big bang is nil. In the moments after the Big Bang the laws of physical universe began to formulate and eventually balance, but by that time the universe was already rapidly expanding away from itself.
@Dc-zu1ii
@Dc-zu1ii 5 жыл бұрын
Children should be learning this in grade school.
@kathyyoung1774
@kathyyoung1774 5 жыл бұрын
Dylan Childs They can’t. We have Common Core now, dumbing them down so they all learn exactly the same thing, no more, no less, and as slowly and painfully as possible.
@Dc-zu1ii
@Dc-zu1ii 5 жыл бұрын
So much stifled potential.
@yendorelrae5476
@yendorelrae5476 2 жыл бұрын
I like this guy!
@andrewwelsh131
@andrewwelsh131 2 жыл бұрын
Amazing people have so much to give
@sohee7597
@sohee7597 4 жыл бұрын
This video woke me up at night
@RARa12812
@RARa12812 4 жыл бұрын
I wish he explain how to measure the mass of blackholes in far away galaxies. Can they find orbits of stars in far away galaxies or there is anoyher method?
@mikelouis9389
@mikelouis9389 5 жыл бұрын
@ <a href="#" class="seekto" data-time="2030">33:50</a>. An EIGHT METER telescope? Day yum! Aside from that obvious mistake, good lecture.👌
@Atanu
@Atanu 4 жыл бұрын
@Mike Louis When I heard that, I thought I had misheard. I repeated that bit and yes, he did say 8 meter. Wow. Perhaps he meant 8 centimeter and the centi got dropped.
@DonH_Zeroth57
@DonH_Zeroth57 4 жыл бұрын
@@Atanu I think it is the same scope I have, which means it is an eight inch telescope.
@Atanu
@Atanu 4 жыл бұрын
@@DonH_Zeroth57 Thanks. So it's not 8 cms but 8 inches. Then I wonder why he said 8 meters.
@DonH_Zeroth57
@DonH_Zeroth57 4 жыл бұрын
@@Atanu sometimes when public speaking I get a little tongue tied and twisted, so likely just a mistake. And in relation to the entire talk, it was a small one.
@Atanu
@Atanu 4 жыл бұрын
@@DonH_Zeroth57 Quite understandable. It was a very trivial slip and anyone should see past it to the overall excellent presentation. Thanks. Cheers.
@dedskin1
@dedskin1 4 жыл бұрын
Now a man that never saw a black hole will show you a few movies . We shell call that science .
@WildBillCox13
@WildBillCox13 5 жыл бұрын
Fun stuff! I linked it around. Thanks for posting!
@unameit0000
@unameit0000 5 жыл бұрын
Suggestion: "The stuff that comes out of the black hole" is dark matter
@Fig_Bender
@Fig_Bender 5 жыл бұрын
@SmoothRide Gravitational interactions
@garfor9636
@garfor9636 5 жыл бұрын
Hawking radiation?
@svendhansen5427
@svendhansen5427 4 жыл бұрын
You might wery well have a point there. Or Gateway to another dimension. For sure Black wholes has a bigger purpose. Could be big bang was the birth from a black wholes energy in another dimension. Dark matter seems to be out og this World and I like your veuw.
@TerryGiblin
@TerryGiblin 2 жыл бұрын
Dear Avery, if I ask politely, how do I get an invite to the Perimeter Institute? I would like to meet the team and have so many questions? When I solved the DSE, at the turn of the millennium, I never thought anyone would actual perform the experiment. "From black holes to electrons, all quantum tunnelling throught, to cause interference" and now 20 years later - The Event Horizon Telescope.
@steveba50
@steveba50 5 жыл бұрын
Great lecture
@savage22bolt32
@savage22bolt32 2 жыл бұрын
What are all the equations on the blackboard behind the speaker? Does it pertain to the topic?
@helicalactual
@helicalactual 4 жыл бұрын
also does this spegetify things or crush them? im not sure if your sure
@lewisjones2825
@lewisjones2825 2 жыл бұрын
We could be listening to intelligent people more often.
@babyUFO.
@babyUFO. 4 жыл бұрын
11 billion and 25 years later... no JWST yet
@robotaholic
@robotaholic 2 жыл бұрын
I'm sorry but neutron stars are way more interesting than black holes could ever be. The quantum nature of their behavior there behavior in macro scales the size of the city is so interesting
@ogpeekhal
@ogpeekhal 4 жыл бұрын
breathe brother....take a deep breath and breathe!
@nagualdesign
@nagualdesign 5 жыл бұрын
What's the difference between a black hole and a wormhole?! Kind of like the difference between a living person and a fictional character, I'd say.
@mickelodiansurname9578
@mickelodiansurname9578 5 жыл бұрын
A wormhole or what's usually known as an Einstein-Rosen bridge is when two points in space are bent so much that they touch. Theoretically, well, in science fiction some sort of technology is used to keep both openings open (since normally they would collapse) and the center or singularity point is widened...this would then allow information or in sci-fi solid matter to pass between two points in space without passing through any of the points between them. Its irrelevant how far apart they actually are... Three feet or opposite sides if the universe. The distance as we measure distance is a moot point. Its theoretical....and possible, but nobody has ever produced one nor is that likely considering the energy you would need to keep it open. A black hole is described in the video above. Its a mass that is so great that gravity continues to compress it so much that it curves space practically infinitely. Its not a doorway or some sort of way of transmitting data. Basically the fabric of space at the event horizon is stretched so much that although light still travels at light speed it can never make it past the event horizon which from a photons perspective will always be receding. But in reality its just the geometry if space that is bent... Its an interesting phenomena in that it once presented a paradox to physicists concerning the principle of conservation of energy....or conservation of information. This was resolved in the 80's by the proposal of hawking radiation which was later observed.
@nagualdesign
@nagualdesign 5 жыл бұрын
I see. And what's the optimal methodology when it comes to sucking eggs? ^_^
@mickelodiansurname9578
@mickelodiansurname9578 5 жыл бұрын
@@nagualdesign I wouldn't know, I give up...what is it?
@youteubakount4449
@youteubakount4449 5 жыл бұрын
until it's not
@zeLKing
@zeLKing 5 жыл бұрын
Great video
@Les537
@Les537 5 жыл бұрын
Thanks for these, Greg.
@beaubeaukitty5301
@beaubeaukitty5301 4 жыл бұрын
Black Hole? What we have here is a Failure of Symmetry which sounds far better than the big crush
@fonkyman
@fonkyman 5 жыл бұрын
this is exactly why we need to go to space man... build it space at any distance you desire and your good to go
@007Hurst
@007Hurst 5 жыл бұрын
watched live awesome lecture thanks for the share
@smallstudiodesign
@smallstudiodesign 3 жыл бұрын
I reAlly appreciate these lectures ... but I’m hoping that Institute could invest in better audio visual and few more technical issues. Considering how this is an upper level science institution of learning - r&d etc.
@rfvtgbzhn
@rfvtgbzhn 4 жыл бұрын
I find it kind of interesting that it seems to be difficult to handle a power of 10^(-15) W. NASA handled about 10^(-20) W when communicating with the Galileo space probe and even daily things like GPS have less power (GPS has about 10^(-16) W on earth). All numbers from: en.wikipedia.org/wiki/Orders_of_magnitude_(power)
@dankuchar6821
@dankuchar6821 4 жыл бұрын
when communicating with the space probe you know exactly the frequency you're trying to get, so it's easy to pick out of the background noise.
@johnqpublic2718
@johnqpublic2718 3 жыл бұрын
Why isn't there a Perimeter Institute campus in Africa?
@HaRDc0r3z
@HaRDc0r3z 5 жыл бұрын
awesome. mind-blowing moments aplenty. ty
@tomhoeienberg1964
@tomhoeienberg1964 5 жыл бұрын
And that is if a black hole is flat 2dim and not 3d ; is it ?
@n1k32h
@n1k32h 5 жыл бұрын
This guy can really speak!
@n1k32h
@n1k32h 2 жыл бұрын
Wow 3 years
@franknugent2801
@franknugent2801 Жыл бұрын
Excellent prestentation
@Jfmonette22
@Jfmonette22 5 жыл бұрын
so if im right in what i understand so far is the more you increase the baseline the better it is. So why they dont have put one on the moon,that would be like increase the size of the planet
@theskett
@theskett 5 жыл бұрын
Apart from the cost of setting up a station on the moon... d'you remember that they mailed the petabytes of data back, on hard disks? I'm pretty sure ya can't just Fedex a big ol' box of disks back from the moon, every month or so...
@cameronlowrey9371
@cameronlowrey9371 4 жыл бұрын
500th time watching...time to sleep😊 ....i almost forgot to plug in my phone haha
@mikeclarke952
@mikeclarke952 5 жыл бұрын
How do these jets happen? Some say it's the magnetic field created by the spinning accretion disk. The disk is a plasma of -/+ charges all rotating in the same direction, so the positive charges produce a toroidal field rotating "down" and the negative charges produce one rotating "up", they cancel. Where is the magnetic field to accelerate the charges away from the EH?
@beck4218
@beck4218 2 жыл бұрын
8 meter reflector? Inch?
@mcsquared4319
@mcsquared4319 5 жыл бұрын
This is one of the most important experiment for science and philosophy. Physics biggest unknowns can only be measured by looking at black holes. He seems to say that they have measured an actual horizon, which in itself would be a very important and amazing feat. But I seriously doubt that they could have actually done it so fast, because it is extremely difficult to synchronize all telescopes. It is way too easy to fall for biased corrections in order to get what you expect. And theoretically, true horizons are not welcome because it would mean that black holes are causally disconnected from the rest of the universe, which is a huge theoretical catastrophe. How do black holes mediate gravity then? False horizons due to the bending of the light paths are possible though...
@mcsquared4319
@mcsquared4319 5 жыл бұрын
@@0623kaboom, you are probably quite right but to validate your idea, it must be observed on a macro scale too, i.e. for black holes... And gravity is too weak to be measured at particle scale.
@MrCretemaniam
@MrCretemaniam 4 жыл бұрын
He also peruses... that's a good sign !
@rogercassidy6466
@rogercassidy6466 4 жыл бұрын
Hawking and Green have got nothing on this guy!......
@HungNguyen-db6js
@HungNguyen-db6js 5 жыл бұрын
I thought he said black holes were simple.
@Bodyknock
@Bodyknock 5 жыл бұрын
Black holes are simple, actually being able to literally see them is really complicated! :)
@0623kaboom
@0623kaboom 5 жыл бұрын
of course it is they are trying to see 1% of something by looking at 99% of what is not there ... instead of changing scale and measuring what can be done and viewed at a more readily usable scale and then relate it back out to the macro scale
@TechNed
@TechNed 5 жыл бұрын
+0623kaboom they have a limit? I thought he said that wasn't known. I thought the thinking was that they lost mass (by emitting Hawking radiation) and the smaller they got, the faster they evaporated (going 'poof').
@KingsmanKnight
@KingsmanKnight 5 жыл бұрын
Trust me the brain of a flatearther is a lot more complicated, so while they still exists, study them well.
@desertmaverick7567
@desertmaverick7567 5 жыл бұрын
I would expound that the professor does articulate at a level commensurate to one's ability to comprehend conducive to optimum academic cosmology theory; in general terms of course.
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