good channels like this one are only available in english.. I'm glad I can understand it, but this stuff should be in all languages

This continues to be my favorite Chanel of all times. So glad I found it.

Your voice is so soothing to listen to. I can't even count the amount of times I've turned on any one of these 30 minute to an hour and a half long, thought provoking videos to just ponder on while I drift off to sleep. Love this series!

Mr Robert is awesome and his quest takes us to frontiers where no man has stepped before. Thank you Robert L Kahun

A Subject that I have been interested in ever since I was a Child , it is truly mind blowing !!

Once had to make a decision, was obsessed for days with it...when I finally made the decision, I STRONGLY felt, or profoundly sensed myself, separating from the Universe of the choice I did not make, and become fully enveloped in the Universe of the choice I DID make. It was decades ago, and only lasted a few seconds, yet all these years, I still remember it. Ergo, I DO believe in the Multiverse.

Extraordinarily well presented. Devoid of that certain air of charlatanism that often accompanies this subject and without the earnest preaching that marks many science-talking-heads, the content is accessible and engaging. I'm a bit surprised at how much I enjoyed the experience, as most of the actual information was reasonably well known to me before I watched. But there are some refreshing perspectives, some invitations to think and perhaps rethink, and some simple fun with the subject that makes this a great viewing for anyone even moderately interested in the concepts of the multiverse.

Thank you, Robert, I like your journey to find out

full of possibilities...infinite beauty,countless space-time for the "WHOLE"!!!!step by step,more and more CLOSER TO TRUTH!!!!once again amazing work,mr Robert!!!!Thank you a lot!!!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.

robert is amazing! hes like the cool uncle i never had! his love for the multiverse theory needs to be watched by more people!

Thank you.

Once again a fascinating presentation. Although I did have to watch Prof. Guth's segment twice, after learning the first time only that background audio can be very distracting when recorded next to an elevator shaft.

Robert, when you sleep and you walk on the street in your dream, does the time and space that appear in your dream really exist? And, does the one that you are in your dream even exist? So how can you tell your life is not a dream? And if it is, who's dreaming?

Another topic that is unknowable yet is so fascinating I think about it several times a week

I like the way Paul Davies puts things out

When the interviewee keeps talking but the music fades in and cuts them off, like a bored wandering mind

Robert has one of the best jobs one could have. He gets to travel to interesting places and interview and learn from some of the smartest people around.

Even I know how it ends without answers, still I watched the whole video

Why do some people keep insisting that the universe is infinite in size when it is literally impossibly for anything material to be infinite in size (since matter has dimensions and infinity is boundless)?

The more we dig, the more Reality seems to go into crazy stuff. Why is this so?

Jean Paul Sartre said for every event there are an infinite number of possibilities and hence Universes

Very interesting series

I for one am glad all those AD&D manuals were right after all! And the means for travelling between planes is through "color pools"...

Incredible ❤

Food for Thought 👍👍 But, questions can never end... a) If You find the most/last fundamental particle... the very next question will be..."From where this last fundamental particle came?" b) If You find God... the very next question will be..."From where God came?" c) If You say this last fundamental particle/God existed always.... the next questions will be... "Who/Which rule decided that the God is to be good/powerful/one etc. (Why not many Gods/less powerful God/evil God)" "Which rule decided that the last fundamental particle will have these properties only, which it will possess...why not some different properties?" "How can an immaterial God make something material? What is the process behind this conversion?" What is the energy source of an immaterial thing by which it can sustain? etc. etc. Therefore in spirituality/Yoga they say that we should focus on achieving Supreme Happiness (Happiness/Bliss that never goes away). Even if we find everything in the universe, ultimately we will achieve satisfaction/happiness. So, they say don't give much importance to knowledge (because questions can never end)...but give importance to the path which leads you to a state of default/supreme happiness, which once achieved never ever goes away.. God is nothing but this state. Once we achieve this state, they say, we are no different from God...then, we become God.

Thank you! :)

Pls find out the truth before I quit my existence in this universe - I am soooo curious!

The reason many push the multiple universe is because most experts are very uncomfortable with the fact that if there are not multiple universes the likelihood of our current universe containing life is practically nil. This requires inventing the multi -verse to answer this statistically impossible universe we live in! I don't know if the MV exist or not but as Carl Sagan said “extraordinary claims require extraordinary evidence.”

What if time is just perception? And all is meeting all (potential) in itself, thus giving rise to the next level of actual infinity? I think all is far simpler than we make it out to be 😊 Who got to decide? Each of us, of course 😊 The first question is how does it work, no? My question is how can we think that the zero point isn't literally everywhere and infinitely dense?... Making the observable cosmos a dream in which all potential is meeting all potential in and through, not only us, but everything in us.

So interesting to hear talk of traveling immense distances in a universe which occupies no space and has no mass.

As an idea to understand the cardinality and magnitude of the Universum and other Universa: take the infinity of the the real numbers (R) by Cantor: there is no beginning and no end. The cardinality of R = Aleph_1. It extends from: (- Infinity via zero to + Infinity).

Does inflation bring about fine tuning of universes similar to CMB brings about different galaxies through temperature variations, by having slight fluctuations?

The multiverse is a self-comforting reason for materialists

I love this channel.

This is my own personal quote, a gut instinctual feeling I always had- " For anything to be possible, everything has to be possible ".

Ode to consciousness Rise up! For thou is god As is the sun With all knowledge To where we shall return once again And to be of kind word and thought Is the Crux of life Or ye shall reap tenfold The arrows of pain inflicted onto the flesh of ye fellow man And not act like a knob To others 🙂

How do strings (theory) interact with inflation for multiverse?

Yes...

Yeah

Did this universe start with one quantum fluctuation, or more? Does the CMB come from one quantum fluctuation at big bang start, or many quantum fluctuations at big bang start?

I will say it’s good to have multiple hypothesis to investigate. Science is what we know. Interesting video.

Well, a way more radical idea is "multiple observers exist" ;o) Each observer lives in its own private universe, the revolutionary inside is that there are multiple observers or multiple Boltzmann brains. Gedel limitations are the only selective restriction on their existence...

the more i listen to these discussions from different episodes i realise how small and insignifiant i am.

Although I’m not going to divulge it here in this comment, once ‘information’s’ correct ontological identity is recognised (it’s not ‘digits’) it becomes amply apparent that none of it exists outside of our universe, presumably precisely that location where the creator of it all resides - along with his/hers/their/its means, methods & madnesses for so doing. Including whether not this creator created any other universes. So we don’t even know how or why this our own home universe exists - with us sitting here petulantly but quite justifiably curious about it - let alone any thing that may or may not be outside it’s boundaries. Just admit “We don’t know” & get on with making the world here a better place.

There could be a planet, a planet, a whole planet of mushrooms, that be awesom

Do quantum fields and fluctuations extend infinitely, or start and stop after being caused?

Could inflation stop after using up a certain amount of energy? How does inflation keep building energy for expansion? Maybe all the energy of an inflation gets used up; and another inflation has to start at later, and previous times?

Children are the best people to ask such things. Their imaginations are more free and not as rigid as adults.

There are people who simply just believe multivrse exist and there are people who know with their wisdom that they exist. Wisdom always wins.

Universe is the maximum synergy-of-synergies, being utterly unpredicted by any of its parts.

How can other universes (eg inside black holes) have different physical laws and still support entanglement (which recent work suggests)?

Haha i almost didn't even recognize Raphael at 13:19 without his glasses :)

How would mathematics, strings and inflation interact for multiverse?

Realiy, my friend do you know what it is infinity ? What it is properties ? Do you know that the thing that have no bounderies and no begning how it will react ? And can it move or be composite of other things ? In infinity there is no motion ,no change, no supdivide all these are not available in the universe , you just dosnot use your miend .

I have no doubt we are in a multiverse, but I am still a but skeptical about the BBT, especially with the inflation/compression of multiple "bubbles". The uncertainty of science is enervating.

Outside universe(s) is inflation, which travels faster than universe, or something in addition to inflation?

23:34 I would say 3 with Unicity, one thing exists

Does inflation cause quantum fluctuation, or does vacuum of space cause inflation? Would vacuum of space causing inflation explain 120 orders magnitude of energy more than cosmological constant expansion? What brings about vacuum of space with energy density? If vacuum of space not bring about inflation, then vacuum / space not infinite?

Once you cross the event horizon of a black hole , you fall into a Younger universe...We came from a black hole that created the big bang we can see.

Not able to come to multiple universes yet. If multiple universes, likely stacked on top each other in parallel, what implications are not know.

Is Max Tegamrk’s level 3 Everettianism? Then is level 4 a kind of idealism?

15:35 is me litteraly walking with anybody. They are ducking from hitting their head, while my 5foot self just walks freely lol

“Why the leap in scientific confidence that multiple universes are actually out there”. What does “out there” even mean in this context? Where is “here”? When is “now”? Before you start using sloppy language to postulate “multiple universes” ( whatever that even means) it would be important, it seems, to define what is meant by space/time, the fundamental reality of which is still very much up for debate in physics and in fact seems to necessarily have to be eliminated for relativity and quantum physics to co-exist.

e pluribus unum: from many, one. The definition people use for the multiverse are just a single universe expanding at a speed which would make traveling across it impossible.This is fundamentally one universe

Truth just like when people pass over you can't see them but they still exists in another universe are dimension and there many levels I just like radio frequencies

It’s because of Human Beings and Human Influence ,that’s what our quantum body energy is capable 🙏🌻🌻🌻🌻🌻

What does He think now in 2014, we are officially in an age of Retrocausality, where the future blends into the past and vice versa

The answser is probably no, and certainly not in the 'all possible outcomes', Many Worlds, Parallel Universe way... Physical universes inside a physical multiverse certainly makes sense in some physics models of the universe.

maybe for fine tuning of human beings in this universe?

Thank you for another mind-expanding video in your series; this one on "Must Multiple Universes Exist?". This series, in my opinion, is at its best when focusing on existential and primordial questions such as cosmic origins and destinies, the world's meaning and purpose, Consciousness, God and Atheism, the Multiverse, Quantum theory, and related such topics. (Of less interest to me are remote and off-beat topics such as body resurrection and mind-healing.) I rank the hypothesis and prediction of a Multiverse as one of the most stunning and far-reaching speculative theories of all time. It would be on the order of Copernican Heliocentrism, Einstein's Relativity Theory and the advent of Quantum Mechanics. If confirmed, the Multiverse makes an epic paradigm-shift in humanity's conception of the cosmic landscape, ourselves and our place in it. That the cosmos could even consist of anything close to Tegmark's four levels of Multiverse pushes the farthest frontiers of mind and scientific imagination. A Super-Multiverse? Amazing, as your video points out, how the Multiverse went from science fiction just a short years ago to wide-acceptance today as a plausible scientific extension of existing theories (Eternal-chaotic inflation, Super-string theory, and Fine-tuning and the Cosmological Constant puzzle). I look forward in the coming years to more refinements of Multiverse theory and greater collection of cosmological data to help falsify or confirm aspects of it. Thank you again for another provocative video.

Could multiple universes have developed from different small hot dense states, perhaps from other gravity singularities that were inflated?

What's the name of the music piece in the opening?

Fine tuning ? It's just taking a way ...

Though I consider the existence of the multiverse to be the most plausible, it is just a hypothesis, after all. Also, I'm confused as to which god this video is referring to.

Maybe there are vast regions of multiverse without inflation, like vast regions of universe without galaxies in cosmic web?

must other plants exist, must other planets exist, must other universes exist... yeah you probably need some variety to get consciousness. unlikely to get it on your first attempt. scary thing about existence is that when we die existence is then not necessary/becomes redundant. you can no longer ask questions.

I decided quite a while ago that either there must be a deity that designed our perfectly tuned universe, or there are countless universes each with different laws of physics and of course we find ourselves in a Goldilocks universe hospitable for life.

The real way to think about it , is that to prove to yourself that multiple Universe is not exiting and then you would have all the logic for it .😉😇🥰

You can all think about multi-multi-universes and what they would be like or in fact even if they exist but right now I just want to know if I can finally book a seat in a Chinese eat-all-u-can buffet this coming Sunday in my favorite restaurant (here in Australia) seeing that the Covid restrictions are being toned down.

Perhaps our brain capacity of comprehension is restricted to the limits of our three spatial and one temporal dimensions to envisage these Multiverses structures entirely . However the human mind is always prone to push beyond the limits of the reasonable and logical thought simply because that endevour seems to give us humans a sense of purpose and it's often how new scientific discoveries do come about !

Of course multiple universes exist, but not in our same space-time. We now know that a universe is inside a black hole. There's a black hole at the center of most galaxies.

Even if there were multiple universes, one would still need to explain the origin of the Laws governing those universes too. Un-directed random material natural processes have never been observed or experimentally demonstrated to be capable of producing any form of laws. As scientifically confirmed, non-material laws are the product of only Mind / Consciousness / Intelligence.

Asking if multiple universes exist is like asking if multiple planets, stars, galaxies, people, and things must exist. To think that only one thing of anything exists makes no logical sense!

How much particles are in the vacuum dark energy?

"Can exist in principle" is very different from "actually exist". It like winning lottery ticket: If you buy one you can "win in principle", but would you actually?

It's almost inevitable that the concept of multiple universes must be true. The question is how many such configurations would lead to conscious experiences? And why even have one? What's the end goal of it? I'm in no way religious, but I'm increasingly driven to the realization that all our distinct conscious experiences are somehow interwoven with each other and some larger universal consciousness or entity. This entity is anything unlike a personal god envisioned by our simple primitive minds, but something far grander and universal than we could possibly comprehend. And thus, whereas the end of an individual conscious being in this lifetime (via natural biological death) is looked upon as a loss to those that are left behind, it is still a net gain in terms of unique experience (lived through that consciousness) to the infinite consciousness out there, whatever it is.... just a thought.

It is childishly simple. All the different forms of matter, for example solid liquid and gas vibrate within a certain frequency range. Coexistent with that, around Earth for example there are six other 'octaves' of matter, referred to as planes or realms. There is ONE universe but it exists on different 'octaves' of vibration. When a person here supposedly 'dies' they simply exit the basic physical body and the mental focus becomes centred in a different frequency range that we call the Astral Realm. All planets and moons exist also in these different frequency ranges, and life is spread over these. The more advanced a life form is the easier it is for them to consciously move 'onto' a different plane. This Solar System, and in fact the whole Galaxy is teeming with life 'Dark matter' is nothing more than matter in a different 'octave', beyond the ability of our eyes to see it but being just as physical, in fact technically it is more physical as the higher vibratory matter has atoms that are closer together and vibrate faster according to the law of conservation of momentum. We know from the genuine contacts that have taken place with non-Terrestrials that Venus (for example) has a very unpleasant environment for us with higher pressure, high temperatures and acidic atmosphere, but ONLY on the basic plane. Go to the higher planes and it is unbelievably beautiful. Within the envelope of Jupiter's gas clouds is a smaller 'solid' planet with a great many inhabitants. Before some 'scientist' says this is nonsense remember that 'They' with current technology are totally incapable of detecting the billions of humans on the higher planes of Earth, where your 'dead' relatives and friends are still very much alive.

Can a universe exist where the storyline of the show supernatural with dean and sam and angel castiel be reality.... With all the monsters and werewolves and vampires and chuck and darkness and different story of cain and able as shown in the show..... And can we reincarnate in that reality..... Please someone answer me and provide some of their mindful insights.... I have been asking this question on many channels but not one person is answering.

You left self out of lvl 3 but vl 3 is my choce

We recently discovered the gravity spectrum. .. How many more spectrums are there? There is repeatable science that has been done, that is evidence of a consciousness spectrum.

the main idea in relation with multiverse is that science is moving from demonstration to abstraction; whatever abstraction is logically & formally pretty self-sustainable, let's hump on it and dance around it cause we have no other job to do anywy since fundamental physics is kinda stuck lately

Great show.. So if our universe ran backwards 13.8 billion years it would have theoretically originated from a "Primordial atom".. BUT I'm led to understand these new theories mean we suddenly expanded in an inflationary explosion pinching us off from a PRE-EXISTING. universe, and so on infinitely in time and space.. I must have this wrong, right?

It’s been resisted for so long because it validates ESP and the human electromagnetic field influencing them

Even if we discovered an infinite multiverse, that would still only be a slice of objective reality. Other realities may not even be arranged as an expanse of stars.

One of the best videos. I love it.

Your video editor screw up your lovely intro adjusting the audio track to the max. We're far from fine tuning.

.. reality is the Power of imagination..the Power of imagination is reality.. imagination of reality is Power.. Love is Power..

I think the biggest question asked on this channel is why something other than nothing. Where did the vacuum come from ? Or the energy or anything NOOOOOOO!

If everything than can happen happens, then the only question to ponder is why does everything than can happen happen?

They must.