How Many Multiverses Are There?

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Man, there's a lot of bad in the world today, no doubt, but the idea that I can sit here and learn stuff like this FOR FREE and as...basically just a relaxing hobby...it's incredible. Each of us can educate ourselves on nearly any topic whenever and wherever we want.

Thank you so much for this. And of course your narration, scripting, production...it's all absolutely top notch. Thank you, thank you.

As terrifying as it is, I find some comfort in knowing how small we are compared to space and time. It’s nice knowing we aren’t just the center of things

Where did this channel come from and how am I getting a documentary series I'd pay good money for for free?! Thank you, sir. You are a gift to the whole community of aspiring arm chair cosmologists

Seen everything on TV since the 70'es but I dont remember having seen anything of the same unique high quality as this series - simply well done!

Can't believe I get to watch such high quality documentaries for free! Much love from India :)

The voice of the narrator and the way he modulates it are both so important! They can make a difference in whether you are going to enjoy or lose interest in watching. I appreciate the way you speak and pause to highlight certain words; it is part of what makes these videos so inspirational! Thank you for this new content; I cannot get enough of it!

I always loved the concept of space time, multiverses and parallel worlds. It's darn fascinating.

My grandfather who passed away around a year ago actually was one of the people who helped build the Hubble space telescope he was a professor at the University of Caltech I just wish she got more credibility for the things he did and contributed to.

This must be the best video you guys and gals have ever produced. Simply a marvelous explanation of the entire pathway taken to come to this cosmological point of understanding. Well done!!!

The universe and the atom have much in common. Imagine living on a quark in an atom wondering if there are other atoms made of quarks, and other unknown smaller particles, but not being able to see far enough to know.

Just some thinking out loud: After all particles have dissolved and entropy has flattened out the wavelengths of the remaining fields, then the Universe will undergo a reverse entropy as the flattened fields will rebound and begin the journey toward a new beginning. Particles, as well as space, are comprised of fields so there is no "empty" volume, so in essence space is like a solid. Once the fields are flat, space can no longer expand though it carries the momentum of expansion. The momentum of the expansion of space is redirected back in on itself, so a great Universal implosion occurs. During the early stages of the rebound, anti-matter begins to form followed by gas clouds and stars, then by galaxies and so on. Then, another Big Bang. Thoughts?

I wonder how many people are involved in this channel's production. Insane quality research, writing, editing and voiceover!

This really puts into perspective how minuscule we are in the grand scheme of universal existence and yet how lucky we are to even exist in the way we do. It grounds me and makes me think how silly our everyday problems seem, they seem meaningless and makes me feel grateful for everything around me.

This video has more content that many actual documentaries and is an obvious labour of love.
I was absolutely right to subscribe to this channel. Well done on this incredible creation.
(people seem to think I'm gullible or something, no.
I applaud the work that went into collating all these different theories and presenting them in a single work which still manages to be very watchable. We still have plenty of physics left to uncover.)

As a scientist, by training, I have to say that I have been TRULY impressed by your videos! Your writers are incredibly good at condensing, already incredibly DENSE information, without seeming to lose the actual meaning behind it...🤔

Your video quality is amazing and all of your artists and editors deserve awards!

I am quite eager to see what is in store! 🤓

Edited to give credit where credit is due.

I've watched this three times now and every single time it's like the first time. It's absolutely beautiful and inspiring.

This is easily the best documentary on the subject I've ever watched, and I've probably watched them all. Being old enough to have witnessed the discovery of the CMB, Dark Matter, Dark Energy, the discovery of most of the "zoo" particles and the birth of supersymmetry and M-theory, it's incredibly rare to find an explanation that weaves these complex subjects together so succinctly. This explores the history of modern cosmology very nicely and brings our current understanding of the universe and the "Theory of Everything" into clear focus. I especially enjoyed the exhibits shown, such as Hubble's handwritten research on Cepheids in M31. Really phenomenal work here.

I thank youtube everyday for allowing the existence of channels like this, thank you guys for putting out another incredible masterpiece of a video, I loved it!

I really enjoyed hearing about the experiments and theories of our entire existence! It’s mind boggling to ponder. Well narrated too.