We are at a point when science reaches a point of becoming philosophy again

Awareness is known by awareness alone.

Huge fan of Dr. Carroll and how he views nature and how it works on a fundamental level.

I adore Sean Carroll because he's brilliant and yet intellectually honest and he admits when he doesn't know something. Robert Lawrence Kuhn is brilliant too and he never touts his degrees either and he remains humble and open. 🙏thank you

This channel is a goldmine

Days years, arrogance, dream, stray, patience, fear, life, worker, success, graduation, power, religion, deception, i struggle with myself, use reason so you can live for yourself and avoid making excuses

Philosophy has always been at the edge of science.

Thank you to host and guest of stature. I agree. Eternity goes in both directions

Audio is messed up

In another video in this series, Sean Carroll said that, in his opinion, the universe is a single wave function. If that’s true (and it is), it’s ONE thing and is by definition incomparable and therefore without dimension. And since it is one, it has nothing to travel through and there is nothing to travel through it, so no time.

Good questions. Thanks

Crazy talk!

Nothing comes from nothing, Nothing ever could, So somewhere in my youth or childhood, I must have done something good.😊 -Sound of Music

pretty cool. makes sense to me

Wow. Staggering to say the least.

Man I could have coffee with Sean every morning.

I think what bothers us about the past is how our vantage point seems skewed. With what seems like eternity to the future ahead, and only 14.8 behind we forget or assume that is all there is, but in reality, it could only mean we are just closer to the end of but one of many epochs that our universe has undergone, and each transition to a new epoch places a barrier of physically opaque transition that is impossible to see beyond into the past. It does not mean there isn't more beyond it, only that there was a transition before that point.

The concept of eternity is often associated with religious or philosophical beliefs, but in physics, the concept has a different meaning. In physics, eternity is often used to refer to an infinitely long duration of time or a state of timelessness. One of the key ideas in physics related to eternity is the concept of time dilation, which arises from Einstein's theory of relativity. Time dilation describes how time passes differently for observers in different frames of reference. For example, time passes more slowly for an object moving at high speeds than for an object at rest. This effect becomes more pronounced as an object approaches the speed of light. Another related concept in physics is the idea of the "arrow of time." This refers to the observation that some physical processes are irreversible, meaning they only proceed in one direction, from past to future. This is in contrast to other physical processes that are reversible and can go in either direction. The arrow of time is closely linked to the concept of entropy, which measures the amount of disorder in a system. Entropy tends to increase over time, which leads to the irreversibility of many physical processes. One theory in physics that has been proposed as a way to reconcile the concepts of eternity and the arrow of time is the concept of a "block universe." In this view, the universe is seen as a static, four-dimensional block of space-time, with all events and moments of time existing simultaneously. This would mean that the past, present, and future are all equally real and exist permanently. However, this idea is still controversial and is not universally accepted by physicists. It raises philosophical questions about free will and the nature of time itself. Overall, the physics of eternity is a fascinating and complex field, and there is still much to be learned and explored in this area of study.

I like the timing for this video, Exactly when James Webb found found those massive galaxies.

I agree with Einstein's view on Science, Philosophy and Religion. He was a Realist, and believed that the Laws of Nature which exist independently of humanity are the closest reflection of the Mind of God.

Sean won't admit it...but he actually IS a Boltzmann Brain.

Sean Carroll needs his own empire.

Sean Carroll is my favourite physicist. I wish I existed in a social circle that was comprised of people like him.

From what little I understand, because I only have a bachelors of physics, the inflaton field is unstable, and our universe popped out of the field and evolved as a stable space time. Once inflation starts, it never stops, and will continue to create bubble universes, or pocket universes or whatever you want to call them, forever. So inflation is continuous into the future, the question is whether inflation is also infinite into the past.

Never enough views def underrated

I like the reverb from The Cone of Silence

Consciousness can't be destroyed or created. It's the only metaphysical construct in the universe. Consciousness finds a way to reinvent itself forever in all directions.

I can’t believe I actually followed all this! - superb explanation from Sean.

Brilliant, love it!

As far as you think you know based on what you thought you knew yesterday. I thank our physicists and find them absolutely a riot, as well. And, often I have great concerns about their hair.

Sean Carroll great physics, future-past-and the now, exist all at once. There are changes in our world, is it entanglement where things start to appear in this reality from other twin parallel universes? Many things have changed, including but not limited to our history as we know it.This seems to be a very complex topic.

The infathomability of infinity predisposes one to believe a beginning is logical.

At 6:18 Carroll has people popping into existence in empty space. I’m glad he is enjoying his Fun with Equations / Fun with Theories, but it gets hard to take him seriously after that.

Did you forget to mute the second audio track when you lined up the multi cameras?

I think it would be great and much needed to date when all your videos were made :)

What fantastic yet terrifying concepts these are!

I enjoy this thought process

A universe of infinite possible states existed from the infinite past to the infinite future in the infinite space. Its ranges of tolerance were limited by constraints of logic, mathematics, and non-violable laws of reality. The overlapping of the range of possibilities and the range of tolerances produces the range of existence of the universe.

I think because of our human condition and experience of life with it's clear beginnings and endings we cannot conceive of any notion of something that has always existed and will always exist, ie eternity, doesn't mean it doesn't exist but our brains cannot compute it.

My bicker with all modern science discussions like this... the old rationalist arguments that time and space are eternal and infinite (at least infinite, spatially, out from any single point rather than down infinitely into the small), due to our inability to conceive of them otherwise, are just dismissed as if they are known to be false. Also, the idea that certain particles just come into existence from nothing, violating the principle of sufficient reason (which might be false, but also might not)... the problem is, these aren't put forward now as mere descriptions. They're put forward as real events and the real natures of time and space. Physicists are now in the habit of talking about time as really just change, space as really just the region of causal interactions... existence and non-existence as really just appearance and non-appearance. These are assertions of more than what experience and experiment imply. It's a gainsaid metaphysics. In the effort to be completely empirical, moderns have slipped into their own reified metaphysical structures.

I take Paul Steinhardt for Symmetry ⇔ ekpyrotic cyclic universe. Considering that Paul has also changed his mind on an important concept that he was involved with (Steinhardt co-authored the seminal papers that helped to lay the foundations of Inflationary cosmology), I find Sean’s “midlife crisis” path to be “curiously perplexing” and unfocused. At least Paul has taken a stand on a hill of his own making that has a sense of clarity and logic about it. Also, I find it interesting that Sean, who projects a presence of such certainty and infallibility on his explications, can now dance around, with such aplomb, the very same issues. Good luck on your new “life adventure”.

It is very simple to explain eternity. Metaphysician philosopher

What about virtual particles? He said when space expands to the point where there are no more interactions that would count as an observation. But wouldn't virtual particles still pop in out of existence?

Around 3:30 Sean Carroll talks about entropy before the big bang. But did entropy even exist before the big bang? None of the other laws of physics existed before the big bang, as far as we know. Why assume that entropy existed then?

סידרת הרצאות מעולה מעוררת מחשבה. הכול יחסי וזמני. והניסיונות להסביר להגדיר את המציאות או את מה שאנחנו מגדירים כמציאות. מצד הדתות הפילוסופיה ומצד הפיזיקה. מוגש בבהירות בתמצות וענייני עם צילום וסאונד מקצועי. כל הכבוד למראיין רוברט לורנס קון לבמאי ולכל העושים המלאכה. בהערכה רבה ותודה רבה.

Check out Sean’s excellent podcast Mindscape!

Mind blown!

The assumption at the very outset is that ‘physics’ is the be-all and end-all of reality. Thereupon follows the assumption that an understanding of ‘eternity’ (timelessness) can be reached thru ‘physics’. But ‘physics’ is a very incomplete and hole-ly construct - neither ‘holy’ nor ‘wholely’ - with huge and glaring gaps. Yet the modern world is deeply enthralled by ‘physics’ - to the point where it serves many as a kind of religion, and inspires many to accept its current, yet dynamically evolving, catalog of materialistic explanations of ALL phenomena with implicit faith. Personally, I take seriously physics ‘discoveries’ which arise out of well-done science. But I remain skeptical when faced with weakly-founded ‘conclusions’ which arise from dubious ‘assumptions’.

Can't be infinity in the past, or we couldn't have gotten to the present time.

We don’t know we theorise we’ll never know

All of creation arises and dissolves cyclically forever, arising from an absolute, eternal field of pure consciousness which, in the process of knowing itself in an infinite number of perspectives at an infinite frequency, creates everything we experience in what we perceive as time space and causation in the manifest realm.

You don't need an "observer" or anyone making a measurement in order to bring into existence quantum fluctuations. Quantum fluctuations are a fundamental aspect of the behavior of quantum systems, and they can occur in the absence of any observation or measurement. So hence, an observer is not required for quantum fluctuations to occur. Quantum mechanics describes the behavior of particles and systems on a very small scale, such as atoms and subatomic particles. At this scale, particles do not have definite positions or properties, but instead exist in a state of superposition, meaning they can be in multiple states at once. The behavior of particles in this state is described by the wave function, which is a mathematical function that describes the probabilities of different outcomes when a measurement is made. And quantum fluctuations arise due to the inherent uncertainty in the position and momentum of particles in a quantum system. Even when a particle is in a state of superposition, its position and momentum can still fluctuate randomly within certain limits, known as the Heisenberg uncertainty principle. And these fluctuations can lead to various quantum effects, such as tunneling and entanglement. Therefore, quantum fluctuations are a natural consequence of the probabilistic nature of quantum mechanics, and they do not require an observer to occur! Now according to one one interpretation of quantum mechanics, the act of measurement or observation can collapse the wave function and determine the outcome of the system, leading to the appearance of a definite position or property of the particle. However other interpretations, such as the many-worlds interpretation, do not require the collapse of the wave function by an observer. Hence, you don't necessarily need an "observer" or anyone making a measurement in order to bring into existence quantum fluctuations.

The audio is so annoying. Does anyone have a link to the real video?

Excellent video as always. One thing I disagree with Sean is his statement that the low entropy at the Big Bang is the cause of the (implied forward) direction of the arrow of time. IMO, the use of the word "forward" for time flow is the cause of the confusion, which also leads us to entertain the (silly) idea of "reverse" flow of time. IMO, time only flows in the order of before events to after events i.e. in only one direction. Think of it this way - positive three apples make sense, but negative three apples is meaningless concept. So we could drop the qualifier "positive" and simply say three apples. Along the same lines, we should drop the use of "forward" in "forward flow of time." We can simply say time flows and has order - before event to after event. That is all. It is true that we observe that the entropy of our universe was low at the big bang and is always increasing in the direction of the flow of time. But it is not the cause of the direction of the flow of time. But the converse is true, i.e. the flow of time causes the apparent increase in entropy by virtue of the fact that the point in phase space of the universe moves from moment to moment. The reason is simple and statistical. The point in phase space of the universe is surrounded by more points where the entropy is larger. Therefore, any movement of that point in phase space of the universe ends up with the universe with higher entropy over an extended period of time. However, for epsilon durations, the entropy is jittering, i.e., going down and up again and again by small amounts with up trend over longer durations overall. But when it goes down, even for an epsilon duration, the time is still marching in the same order. Time, unlike space, has an intrinsic direction or even better word is order. This idea is put forward by Tim Maudlin. And I agree with Tim. It was ok to call time as a dimension in the sense of an independent variable. But it was a mistake to think of it as a space like dimension. In physics, the word dimension is used to simply mean an independent variable. E.g. in dimension analysis, any unit can be a dimension, but that does not mean it is a spacelike dimension. In thermodynamics, pressure and temperature and density (mass/volume) are dimensions in some sense, but we do not take them to be space-like dimensions. For that reason, it is less correct to say that spacetime of SR is a 4d object. Instead, the more correct way to say it is spacetime is a 3 space-like dimensions and 1 time-like dimension, i.e., 3+1D object. Spacetime is not an Euclidean space it is a Minkowski space with light cone structure at every point. Euclidean space is isotropic, Minkowski space is not. Similarly, when the universe will reach an equilibrium, i.e., the entropy will stop changing (increasing) as long as there is a change in the state, time is marching, once again in one direction - before events to after events. Time is simply a measure of change. If there is a change, there is time. This is the idea put forward by Julian Barbour. DISCLAIMER: Sean is billions times smarter than I am. I may be wrong about this.

Whoa. Just saw your comment and noticed it was 4 mins ago. Hehe...great minds.

I love Sean Carroll!

Love CTT and Sean Carroll. Good video. The beginning of time is a logical contradiction. All change and movement requires time. If there was ever "no time", then nothing can happen like the big bang. There is only one situation where there can be "no time", that is part of the definition of true nothingness.

One of the most mind bending episodes ever!

He is saying 10^100 years. I remember reading a book and the expert said 10^24^76 years for (something) to happen. Was written in the 80’s/90’s. Inside Edition will still be here with “Exclusive Video”.

As I see it, completely based on my intuition of the world. There is infinite unity/density on one end, and infinite noise/entropy/chaos, on the other end. Life, movement, etc, happens in between these two states. We are a context, we are definition, we are what happens when you quantize this spectrum of infinity.

big bang beginning of cosmos / universe more likely to be infinitely dense or infinitesimally dense?

Bad audio

Time is the expansion of the universe along the time dimension.

It is frustrating. To say collapse happens when things are observed. But he doesn't clarify that early particles and "stuff" count as interactions that can collapse wave functions. So pre-humans, things collapse. But in the far expanded future, Sean is saying there literally won't be "stuff" to interact with and thereby boltsman brains cannot collapse thier wave function and become "real". I think they sorta breezed past that.

far future of cosmos / universe may be quantum, in contrast to classical?

I wish I could somehow see the far distant future. How it will all end.

I liked this one, partially because it doesn't come from an assumption of a creator (a refreshing change for this series), but mostly because it looks at really different views of time. Also, it's a look into the thinking of a physicist whose thinking is being radically challenged and he is radically changing his ideas in response without calling any of it "the truth".

Penrose's cosmic conformal cosmology resonates more agreeably with me and it concurs with the paradigm of some of the ancient sages of India.

Entropy always goes into one direction, BUT time may reset it's value from which physics judges what is within it. That is to say that what seems like infinity from our vantage point, would become but an instance of very short or brivety within a new epoch, for which there are an infinity of eternities for light or energy to travel or simply allow vacuum state energy to exist within before anything of value is registered in that new state.

cosmos / universe from infinitesimal to infinity?

It occurs to me that an expanding spacetime decreases entropy? (because the number of possible configurations of energy increases?)

Gods great imagination and purpose ✨🕊🧡

when cosmos started 13.8 billion years ago, something used energy to decrease entropy? what might use energy to decrease entropy at start of cosmos?

what might bring about low entropy state?

...still my favourite scientist - the way he tries to avoid any personal preferences of any theory is showing a true commitment to the scientific principle...

"That's not even wrong." -- my mom one day after listening to me babble at the kitchen table while eating oatmeal with raisins.

Sir Roger penrose has one great explanation on it.

I find it suddenly funny that we talk about time in terms of "years." Couldn't there be a more suitable unit system of time, maybe something logarithmic, that describes time more succinctly? Or are we stuck with our terrestrial unit?

At 7:40 Carroll says, “for a quantum fluctuation to become real you need to have an observation of that thing made.” He goes on to point out at 7:53, “but in empty space there’s nothing making an observation.” Many speculate that our universe began with a quantum fluctuation. Who was the observer for our universe to become real? Does quantum mechanics need God after all?

Oh man...we're gettin' farther from the truth. Another beer, please.🍺🍺🍺

could the center of black holes change the value of higgs boson or vacuum energy of space?

Absolutely unfascinating!

could cosmos / universe end with infinity returning to eternity?

maybe different cosmos starting at different infinitesimal times from eternity?

👏🏻👏🏻👏🏻

Lol, once again Kuhn doesn't learn to not mess with Sean Caroll. Every single time he gets a beating.

The Hubble's constant has reduced from 500 to 70 now. It may reduce further.

would eternity be able to observe things into existence?

Bro, your sound is a problem on multiple videos 🙏🏻

could infinitesimal beginning of cosmos / universe start from eternity?

Didn't Sean write a paper opposing Boltzmann Brains?

How did Sean learn to talk just like Michio Kaku?!

Following Rene Descartes meditation Category 1: Minds I exist and I am a mind. Therefore Minds exist. Category 2: Matter I have feelings. These feelings originate from sensors in what I call my body. The sensors are receptive to stimulation from events created from within my body and from events created from outside my body. The stuff that bring about these events I shall categorise as matter. Thus my body is also made of matter. Therefore Matter exists. Category 3: Space My body needs space and matter in general needs space. Matter can exist only in space. Therefore space must exist. Category 4: Time My body needs time to change and matter in general needs time for change. Matter can change only in time. Therefore time must exist. From the above observation I conclude that these 4 categories permeate each other and exist equally with none more abstract or less abstract than another. Now to the question of the origin of these categories Could it be that any one or more of these categories can be made from any one or more of the remaining categories? Could these categories transform from one to another? Matter needs space and time for its existence, therefore without space and time matter will not exist as such matter could not have been the origin of space and time. From physics it has been observed that space and time can give rise to matter spontaneously. As such matter maybe a result of a localised change to space and time. So then could space and time be the origin of everything else? Again from the theory of the Big Bang all space, time and matter originated from this singular event. Therefore space and time could not alone have brought about the other categories. Since the big bang was an event, could it be that all things are made from events? Where there is space, time and matter there is always an event. There can be no space , time or matter without events. In an instant all of space and the matter is nothing more or nothing less than a set of events. So then space, time and matter is one and the same as a set of simultaneous events from one instant to the next. From this observation the 4 categories can be reduced to 2 categories Category 1 : Minds Category 2 : Events Now then can minds exist without events. We know that simultaneous events give rise to feeling in minds. We know from special relativity simultaneous events cannot give rise to anything physical or material. Therefore feelings cannot be physical or material. Now as feelings are a part of minds we must conclude minds are not physical. Now can the mind exist without feelings OR does feelings create the mind, that is one and the same as the mind? If feeling create the mind then as feelings are created by events then space, time and matter which we have concluded is the same as events, must also have feeling and thus be one and the same as a mind. Thus we would need to conclude a rock has a mind or is part of a mind to the same extent that my brain is a mind or is part of a mind. This conclusion is not palatable as such let’s consider the OTHER alternative Now if a mind can exist without feeling then we also know that the mind can create events. (e.g throw a rock, move a finger) So then given that the mind can create events then the big bang (The Event) could have originated from The Mind in order to evoke feelings in other minds. These other minds may have also been created by The Mind. philpapers.org/rec/DESCAS philpapers.org/rec/DESETD jcer.com/index.php/jcj/article/view/1020

sound?

Our human brains seem to demand that we are on a linear timeline, yet it seems that there is not a linear quality to time. Perhaps it has a more fluid or swirling quality.

Spirit is the essence of consciousness, the energy of the Universe that creates all things. Each one of us is a part of that Spirit Energy - a Divine Entity. So the Spirit is the Higher Self, the Eternal Being that lives within us. Form is the physical world: body, mind, personality. We as spiritual beings created the physical world as a place to learn. We're here to learn how to master the process of creation - to learn how to consciously channel the creative energy of spirit into physical form. HOW CONSCIOUNESS CREATES REALITY? If God is Reality And if Reality Is Consciousness Then God Is Consciousness I Think therefore I Am God Consciousness The whole universe is one reality which is pure consciousness. Pure consciousness is absolute existence. God makes things through the direct act of becoming the things which He creates. In the beginning the One differentiated into the many. The One entered into the many and became the Self of each. The being within everything is the One. When you merge with this nonlocal Self, you become one with the Self of all that exists. The One is the Higher Self of all. You are the One. The God Spirit In Me Is The Same God Spirit In You, And The Spirit Of All Beings. Enlightenment Is The realization That You Are All Part Of The Universal Spirit Of All That Exists, Which Is GOD. Each of us is the universal spirit projecting a particular point of view. My Self is inseparable from all that exists, just as your self is inseparable from all that exists. You are an aspect of Infinite Intelligence, and Infinite Intelligence is the source of all that exists. Therefore you are the source of all that exists and you create your own experience. Everything is possible because everything exists within you. The same unbounded potential of the Infinite Spirit also resides in each and every one of us. Everything in the universe is consciousness. Space and time in all planes of reality are only projections within universal consciousness. There really is no here or there for everything is at one place where Mind is. Mind does not move at all. Mind simply is (Not to be confused with the brain). Mind is everywhere yet nowhere. Mind is nowhere but Here, Now. We are all existing together as a singularity in one place and time. Everything is one, Here and Now. Your soul is the reflection of all souls. You are the Other. Without the other, you would not exist. You are defined by your relationships with others. You would need to describe the whole universe in order to define a single person. Therefore every single person is the whole universe. Your soul is both personal and universal at the same time. Everyone is a reflection of yourself. You are in a hall of mirrors where every reflection of yourself appears different. Others you admire reflect the qualities you most cherish in yourself. Others you detest reflect the qualities you most deny in yourself. Each person you see is a different version of you. The outer world is a mirror of yourself at any place and time. If you want to know the state of your personal consciousness, just look around and see what is happening to you. If you want to know the state of the collective consciousness, just look around at what is happening in the world. Your personal reality is synchronistically orchestrated by your sense of Self at all times. If a critical mass of people expressed their higher selves, they would cause a transformation in collective consciousness and the world reality. Every time a person rises in personal consciousness, he moves the state of the world towards a higher one than before. TRANSCENDENT WORLD: You are comfortable here when you can experience all possibilities. Your awareness is open. You are connected to the source. Your consciousness is merged with the mind of God. SUBTLE WORLD: You are comfortable here when you can hold on to your vision. You trust yourself to follow where the mind goes. You aren't bound up in resistance, objections, skepticism, and rigid beliefs. Inspiration occurs as a normal part of your existence. MATERIAL WORLD: You are comfortable with your personal reality. You take responsibility for it. You read the world as a reflection of who you are and what is happening "in here." As the reflection shifts and changes, you track the changes occurring inside yourself. The Need to Create, Discover, and Explore. God becomes a creative source. He gave us our birthright of curiosity. He remains unknowable, but he unfolds one secret after another in creation. At the far edge of the universe, the unknown is a challenge and a source of wonder. God wants us not to worship but to evolve. Our role is to discover and explore. Nature exists to provide endless mysteries that challenge our intelligence - there is always more to discover. This is your God if you live to explore and be creative, if you feel happiest confronting the unknown, if you have total confidence that nature can be unraveled, including human nature, as long as we keep questioning and never settle for fixed, preordained truth. God becomes pure wonder. After reason has reached the limits of understanding, the mystery remains. Sages, saints, and the divinely inspired have penetrated it. They have felt a divine presence that transcends everyday life. Materialism is an illusion. Creation was fashioned in two layers, the visible and the invisible. Miracles become real when everything is a miracle. To reach God, one must accept the reality of invisible things. Nature is a mask for the divine. This is your God if you are a spiritual seeker. You want to know what lies behind the mask of materialism, to find the source of healing, to experience peace, and to be in direct contact with a divine presence. Unity, the State Beyond All Needs. God becomes One. There is complete fulfillment because you have reached the goal of seeking. You experience the divine everywhere. The last hint of separation has vanished. You have no need to divide saint from sinner, because God imbues everything. In this state, you don't know the truth; you become it. The universe and every event in it are expressions of a single underlying Being, which is pure awareness, pure intelligence, and pure creativity. Nature is the outward form that consciousness takes as it unfolds in time and space. This is your God if you feel totally connected to your soul and your source. Your consciousness has expanded to embrace a cosmic perspective. You see everything happening in the mind of God. The ecstasy of great mystics, who seem especially gifted or chosen, now becomes available to you, because you have fully matured spiritually. The God that brings the scheme to an end, God as One, is different from the others. He isn't a projection. He signifies a state of total certainty and wonder, and if you reach that state, you are no longer projecting. Every need has been fulfilled; the path has ended with reality itself.

Yikes. For non-physicists, this interview is potentially confusing. We are constantly told that there is no such thing as 'before' the Big Bang. Yet Carroll says that the low entropy at the Big Bang may have expanded in both the direction of our present universe *and* "far far far in the past, way before what you and I would call the Big Bang."

eternity symmetric, while time from infinitesimal to infinity?

To me a discussion of how many angels which can fit on the head of a pin is somehow more real than this discussion. All I am trying to say is there obviously are things that we can never know. Does anyone else wonder what is keeping people from acknowledging this obvious reality when they are watching discussions like this?

Could somebody explain time? Like a new moon the cycle starts over yet time continues to record the events, two things are happening at the same time? Sounds like prophecy.