Primordial Black Holes - Sixty Symbols 

I love how on point Brady is with his questions. They really contribute to how interesting the video is.

is this guy always so calm? its very relaxing to listen to his voice xD

ah finally a new Ed Copeland video, time just flew by watching this, my favorite professor of this channel.👍, we need more and longer videos like this

I am a simple man. I see Prof. Copeland in the thumbnail, I press like.

What impresses me is how Brady can understand the context of all these topics well enough to be able to ask further questions in the videos, especially when he doesn't have a Maths, Physics or Engineering degree.

Props to this channel for still making top-notch educational videos. So many "smart" youtubers have gone the way of clickbait

I'm a theoretical physicist working on this exact problem, and this is really an excellent video explaining so much of the current state of research here. Great job to all involved!

Dr. Copeland's expression when you asked about black hole accretion and its impact on evaporation was equally one of surprise and the pride of a teacher whose pupil was finally understanding enough to think about the problem and meet him rather than just receive lecture.

I let out an audible "Yes!" when I saw a Sixty Symbols upload with Prof. Copeland's face on it.

Favorite professor! Props to Brady for the critical questions

6:18 worst jumpscare by sixty symbols to date.

i love the art style of these videos!

Brady and the whole team is doing a great job at bringing us this spectacularly brilliant content.

He is one of the best in the sense that he is clear in what we know , what we don’t know and what we may not know.

I love this. Not only are these videos interesting, I get a nostalgic feeling to when I watched these videos in the pivoting year 2009 in terms of my interest in physics and mathematics. Sixty symbols was not the initial spark that got me interested in physics and mathematics, but it most certainly made a breeding ground for my interest. I want to say a big thank you to Brady and the physicists at Nottingham University. You're part of why I just got accepted to do a masters degree in theoretical physics!

I'm a physics student, and every time a new video is released on this channel, my mind is blown! THANKS!!

you could make a series of all states of matter (from solid, to plasma, bose einstein condensate, etc..)

12:25 science explained in 15 seconds!

Prof Copeland could tell the world was ending and I'd approach it with a 'can do' attitude. You can't help but like the man.

I am so jealous you get to hang out with these people haha

Ed is my favorite professor in the series! It he is so patient with everything. Although I have to admit my favorite videos are when he gets his feathers ruffled. He doesn't even get upset he just gets slightly frustrated and stands his ground. Either way it's always a joy watching his videos.

i really like your talks with Ed, super interesting! And the art style and color grading of this clip is really nice as well :)

So exciting to see there's a new Sixty Symbol video :D

Great video, love the content, and how Ed explains things. Also, Brady killing it with the questions xD

We need more Ed! I Love these videos, the way he simplifies these complex ideas so anyone could understand is fantastic. Could listen to him for hours! Great back and forth as expected from Sixty Symbols.

I just wanted to say that it is a great channel. Keep up the good work and keep these interesting videos coming ;)

1:03 I always wondered, when there is something written on whiteboards behind the interviewed person, was it there before or did you write some random matrices just to fill it a bit?

Nice visual upgrade :)

Great that Ed had time to do this video, always interesting on subjects that are thought provoking and not necessarily easy to grasp.

I will never tire of learning about Black Holes.

Great subject and animation. Loved this video. Best thing I've seen today on RU-vid. 😊

THIS IS THE UPLOAD I'VE BEEN WAITING FOR!!11one

I was looking forward to a new video with Prof. Copeland! And such an interesting topic. I always found black holes so fascinating. The animations are also great ^^ Thank you all for what you do, keep doing it please :)

best channel ever.keep it going brady!

ed Copeland is so calm yet excited it is beautiful

I absolutely LOVED the Campbell's soup visual! Very clever, and great design style! (Everything else was great as well, of course, as usual ;) )

I love this channel so much.

I don't understand these videos I just like being lost by how intelligent these people are.

I did a double take at the "10^-5 grams is Planck Mass" thing. All the other Planck units I know are so much smaller that I had to look up if that was right - it just seemed weird that Planck Mass is 10 micrograms while Planck Length is something like 1.6x10^-35 meters. But it was right! I guess Planck mass is the only Planck unit that people can actually visualize the scale off - google says it's the mass of a flea egg or whereabouts.

The editing is great!

Top notch video. Brings a smile and wonder.

I like physics, don't get me wrong... but I cannot focus on the content with such a calm and soothing voice in the background. This is Through the Wormhole with Morgan Freeman all over again.

I love those videos, do it more often please

Underrated! 💯 this was brilliant! 💯

Screw Krauss, Tyson, Guth and the rest. I've watched almost ALL the physics videos I can find on RU-vid and you my friend explain at the best level of detail with the most concise explanations I've seen yet. I haven't heard anything really new and interesting in a while and checking back to Sixty Symbols has definitely left me fulfilled. Keep at it mate.

Amazing video! Cheers!

Pure joy. Excellent video, challenging material made digestible.

I love this channel. Professor Copeland's and professor Merrifield's talks are amazing

I love a wandering deep-dive conversation like this. It reveals just how complicated the subject is, and how many unanswered questions we still have. Thank you!

Thank you for this video !

2:44 That Campbell's quark soup pun...absolutely brilliant! lol

This was really fascinating.

Great video! thank you

Great discussion. really enjoyed this one.

I've watched this for two seconds now and I'm convinced that I'm going to enjoy this video because of professor Copeland and black holes.

Great video, I love it.

Absolutely awesome....very very cool!

Animation is stunning!

i love these high information videos

Beautiful video. The quark soup illustration is as hilarious as it is intuitive. :)

Nice to see Ed Copeland ... another great video! Thank you. Damn quantum gravity

More Dr Copeland videos!!

Beautiful animations Brady

Great questions Brady

Great video

So many videos on youtube make you *feel* like you learned something, but an hour later you remember nothing about the subject. What I like about this channel in general and Ed's videos in particular is that they are the *opposite* of this. I feel like I have no idea about this subject...but I could explain to somebody else probably a lot more than they knew before.

I love Ed Copeland. I hadn't watched in a little bit, this art style is new to me. I like it quite a bit too.

Look at all these animations! 👍👍

Thanks Prof! It is what i'm looking for

This is so interesting!

I love love looove listening to Ed Copeland talk about this stuff

finally a long Ed video

Love the art on this one.

More Ed Copeland please - he's my favourite!

this one was one of the most interesting explanation of how theoretical physics work. we model this, then we should see this, but if we see that than the model should answer that.

This subject needs a follow up. Fascinating!!!

So what happens when one of these mountain-mass blackholes wanders into a burning star? I imagine it would accrete mass at a fantastic rate as it falls/burrows through the star's outer layers and then settle at the core where it would rapidly devour the star from within. What would the emissions from that look like? And if the star was spinning then the angular momentum would have to be preserved as the mass becomes concentrated into the schwarzschild radius. It'd be one hellofa fast spinning top. And of course the jets of radiation and particles shooting out as this singularity consumes the doomed star would interact with the not-yet-adsorbed stellar material to create an upwelling of plasma at the polls. I wonder if it would have enough energy to escape the star's gravity or if it would fall back down like a fountain. Sounds like it'd be a fun supercomputer simulation.

I love professor Copeland's lectures

Love this guy his explanations are amazin

Nice video. I just read a paper about Planet 9 and the possibilty of Planet 9 being a Primordial Black Hole. Such a interesting theory.

Black holes like S5 0014+81 have to be Primordial black holes. A black hole feeding from the beginning of time. That is the best explanation to make sense of its sheer size.

I didn't understand anything, but this man seemed enthusiastic and confident enough, so I believe what he's saying is true. 8/8 would watch again.

Campbell's Quark Soup. Hands down the cleverest thing about this video. With all due apologies to Prof. Copeland.

Love this guy

This is so cool

I could listen to Pr Copeland for hours...

I

"The thing about a black hole - its main distinguishing feature - is it's black. And the thing about space, the colour of space, your basic space colour, is black. So how are you supposed to see them?" Holly, Red Dwarf

WE LOVE ED!!!

more sixty symbols videos Brady!!!!

wow that's amazing

I don't know when or why I subed but thanks :P

I wish this came out sooner. I had to write a paper for my cosmology class and part of it was Primordial Black Holes. This would have helped get the ideas flowing -_-

OK so trick question (I don't know the answer): If the universe exploded as a single point in space that contained everything the universe currently has in it, why was *that* not a black hole? Surely that much energy/mass in that small a space would be enough to create a black hole. Why didn't the universe just explode into an instant black hole?

The whiteboard behind him, it's elementary row reductions of matrixes. Did I mention that Ed's voice is .... ?

Those matrices on the whiteboard are giving me horrible flashbacks of further mathematics at school.

Great video! I could listen him as asmr video lol

When you use Greek letters for sounds that they don't nearly represent, my brain goes full blue screen.

Love Copeland.

The canned quark soup is hilarious :D