Into the Impossible With Brian Keating - Celebrating 500 Episodes!
Episode Date: July 14, 2025Please join my mailing list here 👉 https://briankeating.com/list to win a meteorite 💥 What drives someone to keep exploring the universe after a lifelong career in cosmology and 500 podcast e...pisodes? In this milestone episode, I finally take the mic solo to answer that and other questions—from the origin of the podcast during the pandemic to why I'm still obsessed with cosmology, teaching, and yes, even faculty meetings (sometimes). I open up about the childlike curiosity that fuels my work and share some spicy takes on academia, dark energy, and controversial theories shaking up our entire industry. Join me for a personal, unfiltered exploration of why, after all these episodes, I’m still as fascinated as ever by the vast cosmos—and the sometimes messy world of academia that surrounds it. — Key Takeaways: 00:00:00 The origin of Into The Impossible 00:01:49 What drives me to do what I do? 00:05:22 The search for a TOE 00:08:11 The limits of human understanding 00:10:09 Become a channel member 00:12:52 Early galactic formation and JWST 00:18:29 Eric Weinstein’s theory 00:28:02 A new cosmological model? 00:31:06 String theory and black holes 00:36:54 Entanglement and geometric unity 00:49:06 My thoughts on JWST so far 00:55:37 Impact of Trump’s cuts and the role of universities 01:03:07 My thoughts on Chile 01:05:38 The most important piece of information 01:07:34 Why Eric Weinstein? 01:10:57 Answering criticism 01:12:51 Outro — Additional resources: — ➡️ Follow me on your fav platforms: ✖️ Twitter: https://twitter.com/DrBrianKeating 🔔 YouTube: https://www.youtube.com/DrBrianKeating?sub_confirmation=1 📝 Join my mailing list: https://briankeating.com/list ✍️ Check out my blog: https://briankeating.com/cosmic-musings/ 🎙️ Follow my podcast: https://briankeating.com/podcast — Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known. Make sure to follow/subscribe so you never miss an episode! Learn more about your ad choices. Visit megaphone.fm/adchoices
Transcript
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What do you think is the most commonly accepted theory that has the highest chance of being overturned in the near-ish future?
Wow.
I mean, in physics alone, the point is that we really have almost no understanding.
Welcome to a special 500 episode edition of the Into the Impossible podcast featuring my favorite guest.
Me, Professor Brian Keating at UC San Diego.
Delighted you could be here.
I'm even more delighted that this project I started during COVID-19 five years ago,
as amassed 500 episodes.
That makes it about 100 per year, which is quite incredible.
Doesn't seem like that would even be possible.
But somehow I did it.
I think early on in the pandemic,
had nothing else to do except listen to my kids,
try to drive each other crazy,
and teach over Zoom.
So I think I front-loaded a lot of episodes,
but I'm still doing one or two a week,
which is quite incredible.
I never thought this would amount to anything like this,
but so delighted that you're here.
And I'd be even more delighted,
and you might be delighted,
because you might win one of these chunks of our history,
not of the podcast, but of the universe of our solar system.
This is a real meteorite, and you can win one.
If you go to briankeating.com slash yT.
And if you have a .edu email address
and you live in the United States,
you're guaranteed to win one of these beauties,
Briankeetting.com slash edu.
So make sure you check those out right away.
Let's get on to the questions.
Okay, starts off with an awesome name.
rock star music company. One thing you want to be asked about that nobody has ever touched upon
yet for whatever reason. Well, that's a pretty awesome question that's basically asking me to ask
myself anything. I would say the most kind of pertinent question that I have not yet been asked
is what drives me to do what I do. I mean, I don't have to do the podcast. I don't even have
to teach anymore. I could I could sort of quit and just do the podcast.
or I could do the podcast and teach and not do the podcast,
but why do I do both of them?
I think it's something that I assumed was normal in scientists
that they would be thrilled to discuss the greatest subjects of the human mind
and the curiosity of the human spirit.
And I actually found out it's not the case.
Scientists are in general like anybody else.
They have their quotidian demands on their lives,
and they really can't get back to the essence of what got them to be scientists maybe in the first place,
which was this childlike curiosity.
And part of that is because I think scientists aren't like children.
I always say children are wonderful.
They're curious.
They're imaginative.
They're inventive.
They're creative.
They're whimsical.
They are touchy.
They are selfish.
They don't play well with others.
They are jealous.
They are petty.
They are unscrupulous.
And so, yeah, scientists are like children.
And sometimes it gets to a scientist and makes them less of the scientists that they originally wanted to be or thought that they might be.
And because of that, I think we lose out on some of the passion that we could have had or should have had maintained since we were kids.
I never thought I could be a scientist, as I wrote in my first book.
Losing the Nobel Prize, I thought being an astronomer as a professional was like being an ice cream taster, a professional roller coaster, amusement park patron.
Who would pay me to do what I love?
And don't tell Gavin Newsom, he might take you up on that and dock my salary.
But screw you, Gavin.
I've got tenure and I've got the side hustle that people have dreamed about.
For me, I've not lost it.
I thought it was normal not to lose it.
And I've loved teaching.
I've loved even dealing with faculty committee.
Okay, I don't love faculty meetings.
And so I skip most of them, unfortunately.
Just due to demands of family, friends, on other tasks as the leader.
of a huge experiment right now. It's quite, quite incredible time for me, personally, professionally,
and even as this, my side hustle. And I am trying to step things up. You may notice this beautiful
new studio lighting setup I made in my office and another one on campus in a different location.
My wardrobe, I'm wearing red, white, and blue today is 4th of July. I'm recording this before I
take the kids down to the beach in San Diego. So why do I do what I do? And I think it's because I can.
because I love it. I love the microphone and I love having the mouthpiece and being able to talk to
pretty much anybody. In 20 minutes after this ends, I'll be talking to a Nobel laureate who asked me to
come on my show because he has a book. So that's number 22. And he is not alone. Many, many,
many other Nobel laureates have asked to come on the show and many more will. And my newest book
coming out on my birthday, September 9th, 2025, is called Focus Like a Nobel Prize winner. And that's the
nine subsequent interviews, the second block of nine interviews I've done with Nobel laureates
since starting the podcast 500 episodes ago. And that's just been an incredible treat. So I can do it.
The rich get richer in the society. And I get richer guests, better guests, better content.
And it just keeps flowing and acting like a self-reinforcing positive feedback. So I'm going to
keep riding this wheel as long as I can. I feel young, energized and ready to keep going.
Okay, goatworthy. So maybe this is greatest of all time. Ask Dr. Keating, in your view,
what would it take for four-dimensional covariant, geometrically complete unified field theory to be
taken seriously by the community again without appealing to extra dimensions? Well, goat-worthy,
I think, to be taken seriously, like any other scientific hypothesis, it needs to have
some testable conclusions in the 21st century, not in the 25th century, and not even as
people like Eric Weinstein have said, and we'll get to Eric. There are a lot of questions about
Eric, as I suspected there might be, his first appearance in two years on the podcast in person,
that has led to a lot of questions and a lot of commentary, some snarky, some snide, some genuinely
curious. So as I say to Eric, we need to have theoretical predictions that are about borne out
by something that is in principle, testable and better yet, testable now. And in fact,
people ask me, as we'll preemptively see later on, I suppose. But preempting that, you know,
there are testable predictions that Eric makes that we can actually rule out.
or confirm right now.
And that's sort of the challenge I have dealing with all these theories
that typically they'll produce results that are similar
to the existing theory that doesn't involve a claim to be a theory of everything.
But in this case, it's a unified field theory.
I assume you're asking about the theory of everything
where all four forces are unified.
But even so, I always joke we put the toe theory of everything before the gut.
I mean, after all, my friend Kurt has a show called
a theory of everything, not grand unified theory. We don't even have the three higher energy forces,
strong, weak, nuclear forces, and electromagnetism unified. We have electron weak unified, but we don't
have weak with strong and electricity of magnetism, let alone with gravity. So I think we need that
before we can even think about really pursuing a theory of everything. Now, it may not be geometric.
I mean, there may be other ways to approach a theory of everything or even a grand unifying theory rather than geometric.
Certainly, we'll have to have some lower energy completeness that is geometric because we know that the two of the three forces, well, I could say electricity and magnetism or one force, but the electric weak force is unified.
So that is manifestly done through geometric unification, SU3 cross U2, cross U1.
And that maintains Maxwell as well, but it doesn't fully take into account gravity or the strong force.
We have a separate theory of the strong force, the SU3 part, but we don't have a true unification where they could be said to have a similar coupling constant or similar static behavior at high energies at early times.
Next question comes from Estadjahman.
5935. Is there any limit for understanding? And then a heart emoji.
Thank you very much. If the human mind is a computer, if there is a universal computing capability of the human mind, therefore we would have to say that there's no limit to what we can understand. There may be limits to what we can perceive and sense. In other words, we could understand, for example, string theory, but we can't perceive it. We can't detect any manifestation of it that is present and
instantiates it in our three plus one dimensional space plus time dimensional reality.
So we can contemplate things and we can even work out very intricate mathematics.
But to say that we understand something means that we have approached the reality of it.
Now, in an upcoming episode with David Doidge, we talk about his optimism,
even though he's a very contrarian mind, talk to him for two hours.
he's very optimistic in some sense that we're closer to the beginning of infinity the closer to the beginning of understanding if you will then to the end but he bases this on constructors and says human brain is a constructor i had my brain out that my kid made for me and he loved the brain and yeah we don't really have any sense that we can perceive when we've gotten to that i always joke echoing woody allen's quip that eternity is pretty long especially towards the
end, infinity is pretty big, especially towards the end. And so getting to that level of the limits
of understanding, meaning a finite bounding on understanding would contradict what Deutsch is claiming.
I don't know if there's a limit, if there is, we're nowhere near it. And if there isn't, how do we
know? So it's a fascinating question. Memes of destruction. I should point out, memes of destruction is a good
friend. He is also a channel member. And I would like you to become a channel member, too.
if you're watching this. I do it for a couple of reasons. The sweet, sweet 99 cents per month
that each of the 80 people in that domain kind of contribute to my monthly salary that allows me
to pay an editor the exact same amount as they pay me to edit this video to put it out. So it's
kind of self-defeating. But nevertheless, there are higher tiers, $4.99, I think, a $999 and a $1999. Now the $1999 a month is not there to make a boat
loads of money again. It's there to incorporate those people who think they have serious ideas
that would like a serious physicist, i.e. me. I've got a PhD. I am a member of multiple honor
societies, American Physical Society, which is the premier physicist society in the world,
as well as multiple recipients of multiple medals. I'm a chancellor's chair,
professor, distinguished professor here at San Diego. So, my bona fides, I think, are pretty strong. So
if you want my time, my students pay me for my time, okay? They pay tuition. That eventually goes to my salary. So if I
get these emails, as I often do, not from means, but from other people, I get emails. Fresh Keating,
I've got this incredible idea, just transform or understanding of gravity, of unification, of cosmology,
of aliens, of biology, of ontology, of epistemology, of broccoli, whatever it is, I'm very fascinated in that.
And so I write them all back. You can either have a private hour with me for the same rate that
get paid when I consult with Qualcomm or some other organization here, $1,000 an hour,
all of which goes to charity here at UCSD in the Triton Food Pantry for the food insecure
students that I have to teach that have to suffer food insecurity while they're teaching me,
who obviously doesn't suffer from much food insecurity. I have other insecurities. But that's an
excessive rate, I am sure, but I have to value my time because if I'm spending it looking
at your theory, which you have to admit could be completely wrong, since I do get seven of
those emails a week. It can't all be right, but I'm willing to entertain it, but so far no one's
taking me up on the $1,000 an hour. So instead of that, I take hopefully 50 of you together in the
highest tier at the $1999 a month level on YouTube. You can just click on the membership, select
cosmic office hours, and you'll get an hour with me every month as well. And we talk about all
sorts of stuff. Everybody gets a voice. Everybody gets to chime in and have their theories
vetted in a non-judgmental, exceptionally qualified group of individuals.
Some people that are playing a physicist on TV.
But Memes does that.
He does show up every month on these incredible one-hour gatherings where we get people there.
And if you're also on Patreon, you can do the same thing, same price over there.
The next one's coming up in a few weeks.
We just have the first one.
But I want to answer memes question.
If early galactic formation rate ends up being faster than previously thought,
what experimental techniques do we have to isolate this additional early light?
So the experimental techniques that we would have would be deeper infrared sensing.
So referring to the James Webb Space Telescope,
observations of mature, highly ordered, structured, spinning galaxies at very high red shifts.
Well, that redshift means that the light is going to be far redder than, say,
the Hubble Space Telescope's capabilities were,
and potentially could be even higher than the Webb telescope's longest wavelength imaging capability is.
They have spectroscopy over a wide range of wavelengths, very long, infrared,
near and far infrared, but that does not cover perhaps the entire.
of the Redshift range of which galaxies could form, and we just don't know.
The problem I have is I've told other people, and people like Eric Lerner and the thornbirds
or thunderbolts, I don't know, these guys, I'm having a reaction video on my other channel,
which you can subscribe to.
Professor Keating Experiments will be discussing that more and more.
There's a recent claim that the CMB itself comes from these early galaxies.
It's total nonsense, blown out of proportion for engagement farming to the tune of 2 million
views on Twitter alone.
But that was a really kind of excessive interpretation of what the author's claim was at most, a 1% contribution to the CNB, which I don't even believe is correct, because the spectral distortions and the CMB polarization measurements that I do have completely invalidated additional energy injection sources other than blackbody thermal radiation left over from the formation of the formation of the first elements on the periodic table and formed during the epoch of recombination.
So we'll talk about that.
I'm going to definitely talk about that at the next office hour.
So make sure you join up.
be like memes. Okay, MSOD 7J-E. In your opinion, does my opinion count? How do opinions count?
Is not the same for an opinion? Does your opinion of my opinion opine significance in relative
to other? Do I have an option to be opinionated? I thought he said, he should have said,
do I have an opinion to be opinionated? Why do you trust or believe in your opinion of opinion?
What is the matter of opinion? Do opinions hold power over matter or matter or mind? I'll take this
seriously, even if it's not, certainly your opinion counts, counts in the sense that everybody's
entitled to their own opinion, but not everyone's entitled to their own data. And so data is
the hard truth and so forth. You're not entitled to your own facts. You can have your own
opinion. Fact data can be interpreted as facts. Is math the same for opinion? To the limit that
math refers to the degree of ordinality of opinions, in other words, it's my first opinion. I want a
second opinion for my doctor. Yes, that's a math application to opinions. Certainly, that's true.
Does your opinion, meaning Brian's, of his opinion, opine significance in relation to other
opinions, that's incorrect grammatically. Appine significance, it means maybe he means obtain
significance in relation to other opinions. Well, to the extent that opinions are personal,
there's a wonderful Latin expression, which I get to break out on occasion, that they
gustatum non as a disputandum, meaning that taste is not debatable.
You can't tell me that fish tastes good.
I'm sorry.
People always want to convince me, go out for sushi and go out.
I hate it because I say to them, what's the highest compliment that you can ever pay to a fish dish?
The answer?
It doesn't taste like fish.
So what I do is I just skip the middleman.
I just go right to the not eating fish.
And that, you know what, doesn't taste like fish.
So next question comes from 10-minute retreat 807.
Do you think the fact that there are three generations of leptons can somehow be explained in terms of the dimensionality of space town?
That's an awesome question.
In other words, maybe the lightest generation to do some field acting in only one dimension, the middle generation is a field acting in two dimensions, and so on.
This is an excellent question.
So I just had this conversation with esteemed physicist at NYU, Greg Gabidonze.
He sometimes listens.
I asked him the exact same question.
Not having read this, this question came in four days ago.
I talked to Greg seven days ago.
What he told me is that there's no guarantee you might not find a,
fourth generation of leptons. In other words, these come from fermions. So the three generations are
of leptons, are the electron, the lightest of the elementary particles that participate in
electromagnetism in terms of fermions, although neutrinos also have mass, but we don't know their mass,
and they are fermions as well. They're not counted as in terms of lepton number, but we can talk
about that. They are counted in terms of lepton number, but they're also fermions. I don't want to
get into that. They're related to the three generations of electrons. Sorry, the three generations,
or three flavors of neutrinos are related to the three generations of fermion, therefore, of leptons.
So these all have spin one-half. And I also asked him, is there a reason that we don't see
spin three-half's elementary particles? And I had a wonderful conversation with Nima,
Kani Ahmed. He's agreed to come on the podcast. I actually have his number now. I'm going to text him
soon after this to set that up because he's gave such a phenomenal talk. But I thought there might be
other processes going on that make the masses what they are. We don't know. So there could be
another fourth generation of fermions that could then be in conflict.
So there's nothing permanent about this.
And exactly your question would have resulted in a non-confirmation of this, of your
hypothesis, which is also my hypothesis, back in the 80s when we didn't know of the tau
particle, and we didn't know of the tau corks associated with that third generation of
fermions.
So if we had said that dimensionality of spacetime has to correlate, maybe we could have predicted
in third dimension, but what happens when the fourth dimension shows up?
So there are no laws that restrict a number of generations of leptons.
And so, therefore, I don't think it can be related to the dimensionality of spacetime.
Tune.
What is the future of GU at Geometric Unity?
Eric Weinstein's theory.
And is him labeling himself as an entertainer, question mark, ultimately theories cinderblock in the river?
Or will it be the new potential for future ideas?
Look, Eric's theory is incredibly provocative.
I think it is provisional.
I think a lot of the hostility that comes to Eric is because he does label it entertainment.
He puts it on the paper.
I'll have more to say about Eric later on when it talks about having on the alternative people to question him and comment on him,
and including Sean Carroll, who I think was a relatively disgraceful performance,
kind of attempting at humiliation of Eric.
Eric didn't do himself so many favors in that conversation with Pierce Morgan,
I'm very much down on Pierce Morgan myself for many reasons.
But Eric and I fight all the time, and it's very funny for people that say,
I'm just his malackey, and all I can do is prop them up.
But there are testable predictions that he attempts to make,
and he is very excited to want to test those.
But the problem is when he tries to test them, people say, well, where's the paper?
Where can I reference it?
And he says, oh, here it is.
And it's on April Fool's Day, 2021 or whatever.
He and I made a video on that day as well when he released it.
But yes, he did, and I encouraged him.
And look, I take some of the credit for him, forcing him,
and along with Stefan Alexander, my good friend,
to get him to actually bring this to publication.
It is published.
It's not referee.
It'll never be refereed in its current form.
The reason he puts it on as an entertainer so that he can assert copyright,
so when people did try to take his credit for his ideas, as he claimed,
look, I wasn't there.
He claims that the Cyberg-Witton equations were his idea.
He didn't.
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label those as copyrighted. He didn't publish them either, so I can't verify that. There are people
that can testify to him doing that according to Eric, and there's books written about how this
whole episode played out. So I think the future of it has to be very challenging, and there's
no doubt about it, because very few theorists will take it seriously, although I did host him here,
is a very entertaining day of lecturing and podcasting, and many, many of the top relativists in the world,
including the chief final collaborator of Stephen Weinberg, you know, is very much enthralled and
interested in it, not just with his personality.
Dan Green, as you know, has had debates with him and other colleague here.
I don't just put him off with Patsy's that just are sycophantically licking his boots.
So I don't know.
Eric's got a lot of problems with peer review that I don't share.
Oftentimes I wish he could be more conventional, more orthodox, but maybe that would
squelch his ideas and maybe indeed he has been abused by the system that he's railing against.
Can you make Jim Romanowski 69, 66?
Can you make a video with Sabina Hassanfomer singing together?
Yes, that's on my bucket list.
I do have a podcast with her coming up.
Hit the subscription notification bell to make sure you get access to that.
You'll see a very brief episode, perhaps, of her singing and me playing the Spotify instrument, the only instrument I can actually play.
Okay, I'm going to take a break right now.
I'll record a podcast and Nobel Prize winner.
Bring that to you live.
are not live recorded soon
long after this comes out actually
but stay tuned I'll be back in a little bit
many of you are watching this on a television
and I know that if you
love the cosmos as much as I do you'll want to
subscribe now it's a little more tricky
on TV but it's well worth your time
click down below
and don't forget to leave a thumbs up
more minds more mysteries
more multiverse awaits you
and we're back
that was a great interview with
Dr. Lou Ignaro
author of Dr. No, Ventor of Viagra,
teach you how to keep your member pointing straight.
And speaking of members,
don't forget to join my membership on the Into the Impossible podcast
on the YouTube channel or on Patreon.
You can support me and offset some of the expenses
that I incur doing this wonderful show.
Just show your love.
And if you're one of the folks in the upper most tier,
the 1999 tier, you're guaranteed to,
spend an hour a month with me on my cosmic office hour. So that's the YouTube membership link down below.
If you're watching or if you're listening at my Patreon, Dr. Brian Katie on Patreon, you can join there.
And you'll get all access to yours truly. Or you'll just show your love and get your name featured and get your chance to ask questions of all my guests.
Don't forget, you can always ask me questions if you're a subscriber to the channel.
So don't forget to become a member of the channel and maybe even a paying member again,
membership started 99 cents a month. It's really just a signal to the algorithm in my heart that you
guys care about what I'm doing. I really hope you do. Okay, Quantum Cath asks, as an experimental
physicist, do you prefer to design an experiment with the hope of producing the desired outcome,
or would you rather produce an experiment where you get to see what the outcome might be?
Is it you who analyzes the results? Okay, good questions. I love designing experiments. I have since I was
a wee lad, age five, designing homemade pesticides and explosive.
much like my hero, Galileo Galilei, who took a telescope that he made also and turned it towards the sky and did the first scientific research in history,
demonstrating that the universe has objects that orbit around other objects besides the Earth, in that case looking at Jupiter, and that changed the universe.
But as I say, you can't have your own Higgs boson detection kit, or even if you do, a large hadron collider at your own disposal.
You won't feel what it was like to discover it, quote unquote, because it unfolded over years and years and years.
But you can feel exactly what Galileo felt the moment he saw the craters of the moon or the rings around Saturn or the moons around Jupiter.
And you too can become a scientist just like him or for the child that you love in your life.
So I have the telescope buyers kit.
I don't get any money from it really.
Go to Brian Keating.com slash telescope.
And you'll get a buyer's guide and a viewing guide.
And also when you join my mailing list, that same link will take you to my mailing list.
You'll get information on how to see meteors and meteor shower.
and maybe even collect meteors and maybe even win one of these meteors or find one yourself.
Who knows?
So I love designing experiments.
Yes, you're always trying to discover.
I mean, you don't build an experiment purely serendipitously.
I do believe that serendipitous outcomes are the most beautiful, pure outcomes that there are in science,
because it's the thing you don't plan on serendipity by definition.
So I think it's quite delightful when you discover something unexpected.
rather than saying Eureka, as Isaac Asimov once said, you shouldn't say Eureka, I have found it,
because that kind of portrays the and belies the confirmation bias that's inherent in what you're doing.
So I love to see what the outcome is of the experiments that I designed.
I've designed at least two of the most major experiments in my field, Bicep and the Simon's Observatory,
are kind of my brain children.
Both of them and I participated in building them, designing them, supervising the brilliant people
that do most of the hard work and deploying it.
Got to Chile and the Antarctica, South Pole many times.
And so it's just a thrill to be able to do that.
It's quite frankly well beyond my wildest dreams to have built these experiments in these
wild places, gone to the South Pole twice, and Chile more times than I can count,
launch rockets into space from White Sands Missile Range, take pictures of the infrared background.
It's incredible.
And I love looking at the results.
But it's a tedious process.
Experimental physics takes years.
And I think that's part of the reason I love this podcast so much is because I get instant gratification.
This guy, again, Dr. Liu called me up, texted me, can I come on your podcast?
I've got a book out.
You know, how many people get to talk to Nobel Prize winners at their request?
I mean, it's incredible.
So I'm very fortunate to be able to do that.
And I can talk to him, read his book in a couple of days, a day or two, talk to him for an hour as I just did, and then come away with instant episode that I hope will be valuable to everyone out there,
especially younger people in 20s, 30s, 40s,
shall we say, in academia and beyond.
Because that's the target demographic that kind of most represents where I used to be
and I'm trying to teach to.
So that is my greatest joy.
It's kind of the whole thing mixed together,
except my greatest pain and work at least comes from the long delays
between idea and final data product.
I mean, our job is to take money and convert it into ink and publications
and talks and PowerPoint slides and things like that.
And it's a long process.
on it for, this is my 21st year as a professor, and I've been doing cosmology for, what,
three, 10 years before that.
So we're looking at 30 years, three decades.
I don't know how much longer I have it in me.
I'm going to try to make it until age 60.
We'll see how that goes.
And before I think about retiring from the experimental physics game, but we'll see.
10-minute retreat 807 asks, what if the expansionary model of the Big Bang was turned on its head?
And instead of each point in space acting as a source of expansion, it was viewed.
as a sink of contraction, but not a contraction where matter is decoupled from space,
but is instead a couple to it, so the scale is constantly changing, blah, blah, blah.
This goes on for pages and pages.
This person then says, unfortunately, I lack the higher depth math skills to be able to analyze
such problems, having only gotten my BS in physics.
Well, you're in luck because you live in a glorious time, because we are able to
investigate exactly like that sort of model that you're proposing.
And to me, that's the most fascinating thing that we can look at.
Our alternatives, people think, oh, you want to just prove the Big Bang right?
No, that's not what scientists do.
We want to falsify the Big Bang as much as possible so that we can get a closer view,
which will be a better view of the Big Bang.
So that's what we want to look at.
That's what we want to understand.
And because of that, we look into things very deeply using the tools and techniques and so forth
of modern general relativity in this case is what you're asking.
about. But to answer your question, okay, your hypothesis suggests the metal that the scale factor,
which is the most important quantity in cosmology, A of T. So one that we don't have access to,
but we use proxies to validate the underlying truth of the model. We can't measure A of T directly.
We can measure the Hubble constant, which is a time derivative of A of T, divided by A of T.
So it's the scale factors time change over its scale factors value. We see that that's increasing.
So we know for sure you're wrong now.
But in the future, could it be that local clocks and rulers could contract and run backwards?
There's nothing that rules that out.
In fact, if dark energy suddenly is not a cosmological constant, what could formulate
and become different is that we would have a red shift, which would be converted into a blue shift.
You'd see objects coming towards you.
We don't see any of that.
It doesn't mean that in the future we won't see any of that.
So this is part of a new type of cosmological model that would ruin
be ruined by, again, our current observations. But that doesn't mean it won't be right. But the bad
part of this model is that we don't have any evidence to estimate when this will become possible to
be tested. In other words, when the average Doppler shift of a galaxy or supernova or barionic
oscillation peak or C and B fluctuation, when those will start to be equivalent to a blue shift,
Doppler shift did not red, but to the blue. So this will take billions.
perhaps trillions of years before that would happen. But it's not impossible. And you can construct
a cosmological model that does just this. In fact, our friend Roger Penrose has a model that does
contraction in what's called a conformal cyclic cosmology. It doesn't contract in the normal way
that you're thinking at each point in space. It's very much related to this kind of idea of the
change in the scale factor over time. You ask a lot of other questions about black holes and stuff.
I don't really fully understand. But the core idea of your first part is certainly worth
pursuing intellectually, if not experimentally.
I just don't believe we'll be able to test that.
But don't hold your breath.
It could be a billion years from now.
We suddenly see a preponderance of blue shifts.
We don't see any of that now, despite what...
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Okay, the world has gone crazy. He says, wow. And not only for members. Yep, that's right.
I assume you're not a member and you're here asking me questions. And that was your question.
It's like when Homer Simpson asks the genie, if he really gets three questions, and then he
said, and the genie says, yes, and he says, really? And then Homer's, and the genie says, yes,
and he goes, are you sure? That's the end of your three wishes. Okay, Kenneth Ludwig,
who uses his real name. Thank you, Kenneth. What does string theory tell us about what's inside
a black hole? Does it depend on how the dimensions are rolled up? Well, that's another
phenomenal question. I can't believe how many enormously fascinating and good questions are coming
out of this audience. Actually, I can. You guys are so brilliant. I don't have any reason to suspect
that you guys wouldn't be able to ask such phenomenal questions. So the true answer is that the
string theory provides a picture that's very limited in terms of what we could perceive, but it's
radically different from what GR or general relativity predicts. So string theory suggests that there
may not be a singularity because there may not be infinite curvature and infinite density.
The reason for that is a string theory smooths out the little fluctuations that would occur at if the minimum length in the universe was below the plank length and in fact at zero length.
So there's a string length which acts a sort of proportional to what's called the string coupling constants.
And these set a minimum length scale and that smooths out curvature, etc.
So there are people who have suggested that inside of a black hole there might be something called a fuzzball.
but the most important breakthrough in the last kind of 30 years or so has been the ADS-CFT
correspondence that the black hole's interior might be somehow dual or it might be co-related
to the quantum information residing on its surface.
So the interior, which is hidden by the event horizon, is somehow shielded from our view in
normal cosmology, but it may be that the horizon itself contains information about what's
inside its volume. In fact, it does in all black hole entropy models. The entropy is not proportional
to the volume. It's proportionate to the area of the black. This has many interesting things
downstream from it, according to past Gas Wanal-Lasena. It's supposed to have him back on. I should
probably do that one of these days. I want to have Nima, Akhani Hamer. I met him last week in person for
the first time in a very long time, and he agreed. He gave me his cell phone number, so hopefully
that'll get hooked up. I'll ask him this question, because it's certainly not a
purview my domain. But I think this is incredible that the difference between string theory
and general relativity couldn't be more stark. One is saying there's a singularity of infinite density
and temperature, pressure, whatever. String theory says there's a structure, there's some minimum scale,
there's some geometry that could in principle be probed and that the interior of the black hole
has information within it that could be projected like a screen onto its surface,
the event horizon. So this is incredibly fascinating topic.
And I thank you for that question, Kenneth.
Pathfinder physics asks, what does Eric's theory say about entanglement, geometric unity?
To me, it's just geometric torsion, nothing local.
The geodesic distance between points on S3, the three spheres,
proportional to the cosine to the inherent twist and the manifold.
I'm going to say I have no idea.
I don't know that he talks about entanglement.
He does include the role of torsion, which is a much overlooked quantity that is certainly intrinsic
to general relativistic situations, but is typically left out on symmetric grounds.
But don't forget, there could be other modes of violating locality, reality,
and other aspects of quantum mechanics that typically involve entanglement
because Eric features more than one dimension of time, etc., which is probably the most stark
and almost outrageous prediction that he's making.
So I'm going to punt on this question.
B, Lima, Peru.
What do you think is the most commonly accepted theory that has the highest chance of being overturned in the near-ish future?
Okay, so this is interesting.
Wow.
I mean, in physics alone, the point is that we really have almost no understanding and of what we could actually expect to maintain its proof or its truth throughout the history of the future of science.
There are many different theories, I think.
The Big Bang is a theory, in other words, a hypothesis.
There's a fancy way of saying hypothesis or a hypothesis is a fancy way of saying, yes.
We have many examples in scientific history of a good theory being replaced by a better theory.
Newton's laws were phenomenal, but they were overturned instantaneously by Einstein's theory.
Again, called a theory because in math we can prove theorems, but in physics we can't prove theories.
We can only establish evidence against theories and therefore break them.
So the nearest future, what could be done in the next few decades?
Could we have a new model of dark matter?
That is certainly very interesting.
We're already seeing the kind of birth pangs of a revolution and an evolution of our
understanding of dark energy, which we thought from the late 90s until the mid-2020s,
early, yeah, mid-2020s, was a cosmological constant, the Lambda CDM paradigm.
I think that's very much likely to be challenged, maybe overthrown.
So I don't know to say that what the time scale, that's very difficult to predict the future, as Yogi Berra would say.
But by the same token, I think it's quite fascinating that we live in a time we can test these things,
not only see that there is some substance like dark energy, but that's evolving.
The fact that we know so little about it and that we often get things wrong is exciting to scientists.
It's not a sign of us being fools or being sheeple or whatever.
It's an exciting thing.
It means there's stuff for you, the younger demographic.
I mean, half the audience is younger than me out there. I'm going to be 53 now. I'm going to be
54. In September 9th when my next book comes out, focus like a Nobel Prize winner. I hope you all
get that. And so it will comment on many of these different topics of what makes a good scientist good
and what is a good path to pursue in science. All these questions that you guys are asking,
a lot of them will be addressed and answered in that volume of interviews with Nobel Prize winners
coming out in just a few weeks. Okay, Dennis FP1 asks, is it possible that a partial answer to
a Fermi paradox is that there's too much stuff in the interstellar space, i.e. dust, gas, asteroid fragments,
etc. Therefore, starships of any substantial size are highly impractical, if not impossible,
because the unavoidable collisions at relativistic speed. So that's a great question. So that's
kind of explaining the Fermi paradox, which is if the universe is teeming with aliens because we've
had billions of years of evolution, there's billions more stars than just our sun in the Milky Way alone,
let alone billions and billions of galaxies, maybe a trillion galaxy.
It may be too messy. It may be too dangerous to drive as what you're suggesting. So they must know about the asteroid belt. Now, it's not really true like the game asteroids where you basically unavoidably going to crash into something, nor would you really crash into other stars. There is the or cloud that has perhaps a trillion comments in it, but space is really big. The volume that surrounds the Earth, especially perpendicular to the plane of the solar system that we orbit around the sun in, it's very low density. It's an interesting conjecture. I don't think it's
really too terribly much of an impediment. However, there are a lot of grains of sand and so forth,
but these aliens, if they're able to travel intergalactic distances, would certainly either
have a technology to avoid and see these objects, or even a grain of sand traveling at 10,000
kilometers per second could blow up a current modern Earth-based spaceship. They would presumably
have much more advanced spacecraft. But this is perhaps an argument against the current
visitation of aliens that are able to move with properties like these tic-tacks and all sorts of
cubes and spheres and all sorts of other stuff that I quite frankly have no belief in currently
evidence for in my possession.
And I've not been convinced by any of the guests that I've had on the show.
We spoke about this that they've actually seen alien craft.
Of course, a good scientist will never say it's impossible.
But there's so little evidence that they come from because of these practical issues.
And then you can say, well, they're not using practical physics or using al-Cubiar.
warp drives to warp space time.
And well, then you also have to warp the asteroids and the comets along the path as well.
So quite a good question.
It may be contributor to the solution to the Fermi paradox.
That may be Fermi himself.
There's a book called like 77 solutions to the Fermi problem or something like that.
Maybe this won't be 78.
So thank you for that.
Okay.
Cameron Banick asks, with all the new data suggesting dark energy could be variable instead of a
constant.
I just talked about that.
I think I got that right.
Yep, you did.
How dependent would the constant be on the current models of cosmology?
Would we be able to count for it or would we be back to square one?
Oh, God forbid, we'd be back to square one.
So, okay, the discovery by DESE, and I have multiple videos by the DESE, former spokesperson leader, Kyle Dawson, University of Utah.
You can find those on my channel, as well as many predictions about what the cosmological constant is or is not.
We now believe, thanks to DESE, that there's a one in 30,000.
there's less than a 1 in 30,000 chance that the fluctuations that we see in the constancy of dark energy,
in other words, the degree of credibility we have, credility we have in the cosmological constant,
being constant has been shaken and the evidence for it is likely to be real and not a fluke at this very high confidence level.
So it's almost as if we're looking at something, let's say, you say your freezer at 0C,
to freeze your ice or negative one.
And then you see over time, it's not really being that constant,
and you're sometimes getting ice cubes
and you're sometimes getting puddles of water in their ice cube train.
So maybe varying, maybe shifting, going and fluctuating,
but over what time scales and over what distance skills.
So this evidence primarily is coming from different ways
one slices and dices a set of data from barian acoustic oscillations,
which are the post effects of the cosmic microwave background,
similar types of physics that you can see behind me in the acoustic oscillations and this giant
CMB globe that I have behind me. Those are kind of the initial conditions at 380,000 years.
And then after several billion years, hundreds of millions to billions of years, those patterns
get frozen in terms of sound waves as well, and they're called barren acoustic oscillations.
Those act as standard rulers, both the CMB and the barren acoustic oscillations, but at far different
times. One acts in the very high redshift universe, Z of a thousand.
in the CNB's case. And in the BAO case, it's acting at Z of one or two. There are three,
something very, very small. It's still billions of years ago, but much closer to the observer than it
was than it is for the CMB. So the universe has evolved a lot. And we can still use those
patterns of oscillation to reveal themselves as rulers, which help us know by their length
how far away they are by measuring their angle. And so it's dependent on a few different things,
but the dark matter paradigm and the dark energy paradigm as a cosmological constant,
they are in flux.
So we know with great certainty that dark energy exists,
but what we want to do is understand whether or not there is an evolutionary term
or if it is a constant.
Speed of light is a constant?
As far as we can tell it going on billions of years,
are these things constant?
Is dark energy constant?
It seems to be, according to Desi, that dark energy is weakening.
Now, we need more data.
We need to get more confirmation.
but it's one of many very interesting tensions, which means that the underlying model is correct.
In other words, people say, oh, you guys don't know what the Hubble constant is.
Yeah, but we don't agree on the Hubble constant, but we know that everyone agrees that the universe is expanding.
Everyone agrees that current the universe accelerating.
It's just, will it continue accelerating in the future?
So the answer to your question, would we be back at square one?
No, we wouldn't discard everything.
We'd keep some form of dark energy.
It wouldn't be a cosmological constant.
The universe would still be expanding, still be accelerating for quite some time, but we'd refine our model.
and not really replace all physics.
But it would be a challenge,
one of the biggest, most interesting,
newish discoveries of all time,
namely the cosmological constant or dark energy,
and I mean changing it to just dark energy,
which would be quite insanely interesting in its own right.
Troy H4C, given atoms are very similar.
Is it possible there is a coda,
a blueprint for their formation, like cells in biology?
Yes, I mean, atoms formed due to very well-understood
rules of quantum mechanics.
of orbital construction of the patterns of the valence and conduction ban electrons and the electron
properties what gives atoms their chemical nature. There are other properties of atoms and they
are unique, but at their core they're all built from the same two building blocks, all three
building blocks, up quarks, down quarks, and electrons. So it's quite fascinating that, yes, they do have
a blueprint like DNA in biology, as you say. Okay, DS crib asked, is geometric unity simple?
an arbitrary logical structure that maps over the foundations of physics like string theory is
attempting, or is there any separate good reason for proposing in any reason other than just combine
the foundational physics theories into one structure? I don't think it's arbitrary. I mean,
what Eric's trying to do is a complete overhaul or address all the elephants and mastodons in the
room and wanting to understand whether or not there is a source code for unifying in
a geometric fashion, that's the name, that combines fundamental physics, all different aspects
of fundamental physics, from quantum mechanics, relativity, into one single standard model of
everything, which would then have predictions even for cosmology. And in his theory, he has the
cosmological constant, not being constant, dark energy, not being a cosmological constant.
Now, of course, again, it has been published in peer-reviewed journals never will be, in its
current state at least, although I keep encouraging him to do so. So the way I can think of it is you
have this map and the map has different scales of information overlaid on top of it.
What you really want is to know everything.
You know, what's the weather going to be like at your destination?
How are you going to get into the apartment that you're going to visit after you get on a subway,
after you take an Uber?
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Et cetera.
So these are all unified into one thing.
It's a super map of physics.
It's not arbitrary.
It's not based on some flamboyancy or kind of just fashionable choice.
I think it is modeled loosely on the standard model of particle physics in a way that
supersedes it by adding more dimensions. So he has a 14-dimensional space-time structure with
time dimensions, multiple time dimensions, which means there are non-commutative paths.
Taking one direction in time is not equivalent to going in another direction of time.
Time travel is possible. That has implications for locality, reality, as was asked earlier.
So it is not arbitrary, like the Dewey Decimal System is arbitrary, but it is a framework,
attempts to explain why we see things as we do in fundamental physics. The most interesting
questions as Eric asked Sean Carroll and he had no explanation for it. It's very sloppy. And it's
clear. He says it doesn't have the things that it should have. And Eric points out on his X-Feed
pin post that, in fact, it does have the Lagrangian. It does feature quantum mechanics. It does
make testable predictions. Again, there will be downstream consequences of the nature of having a
fundamental spin three halves particle as predicted. That is a prediction. It is falsifiable. We can measure that.
Sean didn't address any of that. So it was very disappointing to me that he would sort of just
outsource his critical thinking of it. Now, I'm not condoning everything in every way that Eric
treated that interview with Pierce Morgan. I would have been happier if they came on my podcast.
And actually, I've invited them. Sean won't come on or he was refusing to come on even before
this interview. And I assume he'll never come on again. That's unfortunate. I think he should be
open to science communication. He knows I've always been a big fan of his work in cosmology.
And just because I happen to be friendly with Eric, friendly with Sean, or I was friendly with Sean,
he endorsed my first book very nicely. We don't agree about everything. We've had our
dispute, but that's what scientists do, Sean. So kind of a disappointing again, that that was
our last conversation that we'll ever have on the podcast. I think it's a disservice to the biggest
physics audience. On YouTube, on elsewhere, that does hardcore science. Is my, is that
this podcast. So it's disappointing you won't engage with me anymore even before this thing with Eric,
but the thing with Eric, Pierce Morgan, was also quite disappointing. There are many levels to your
question. I think I may have answered most of them. It's not arbitrary. It's seeking a deeper,
better reason for why we see things like three generations of Fermio. That is a fascinating question.
Eric gets frustrated that people don't even care or where that comes from, how that comes about.
We just accept it and move on and pass the potato salad. So I get it. I get why he's upset about it. But he's a
deep thinker and the attacks and the criticism, the vitriot and the hatred that he gets for his
proposals and the accusations of him being foolish or grifter. I mean, who is he grifting? Like,
big science. I'm doing a video now at the Thornburg, no, the thunderbolts. And they talk about
big space as this conspiracy. It's so laughable. But when people out there criticize Eric for
grifting, I mean, can you imagine a less profitable area of endeavor to,
to grift off of. Eric could certainly do a lot, make a lot more money, attention, fame, et cetera,
from many other branches of the economy, shall we say. So it kind of betrays the fact that you have
other reasons for hating him, including his fame and attention that you, many of you seek out there.
It's sometimes quite pathetic. It's good when people like Sean and like my colleagues here at UCSD
and like his colleagues over their different place in the country, suggest that Eric has something
at least worth listening to. I think it's wonderful that we have these different ideas. And
to say that you should stop associated with him and he's evil, and it doesn't affect me at all.
Okay, congrats on your 500 episodes.
And now sing to the tune of The Proclaimer says,
Busy Billy B 33.
I have done 500 episodes, and I would do 500 more.
My question to you, what are your thoughts on the JWST so far?
This might be a hot take, but I'm a bit underwhelmed at what has done up to now.
True that has given us many great images and more detailed studies so much of the universe,
and there have been many puzzling new observations, but not much for explanations.
But so far, it hasn't really provided much answers to the big-ticket items in cosmology,
such as dark matter and dark energy, inflation, exoplanet science hasn't quite taken off under its watch.
Are my being impatient?
Well, sort of, yes, sort of no.
I predicted that on Lex Friedman in 2021 the couple days before it was launched,
that it wouldn't have the kind of soul-shaking, earth-shattering impact that the Hubble Space Telescope did for a very simple reason,
which is that it's an infrared telescope.
So it does things much differently.
It gets about the same resolution as the Hubble Space Telescope.
So it's about three times the diameter, which is what sets the resolution,
maybe a little bit less than three times a diameter, two and a half times the diameter of the Hubble Space Telescope.
But it's operating at wavelengths about two and two and a half times the wavelength, which also reduces the resolution.
So the resolution optical telescope goes as the in the ratio of the wavelength to the aperture size.
So bigger aperture and smaller wavelength make higher resolution.
Therefore, it has about the same resolution.
Maybe it's a factor of one to two better.
And that's great.
And it's doing stuff that Hubble could never have done.
But it's just the fact that the human being, our visual cortex is so important to us.
If you look at the motor homoculus of how a human being pays attention to its sensory organs,
the eyes are like 90% of what we care about.
The rest is like our hands and there's a tiny bit of like our left, well, there's other parts.
I mean, don't forget about this, this book on Viagra.
There are other parts that some of us pay attention to as well.
But the brain really focuses primarily on visual stuff.
So it's natural that we'd want to be interested to see what a visual wavelength band telescope would produce.
And in that regard, Webb is slightly differently of interest.
So it's as if saying, like imagine you had just all the powerful spectroscopy that Web has capability to do.
And that's all we could quote unquote see.
It would be literally thousands of times better for the science that you're talking about, early galaxies, exoplanets, et cetera, looking at atmospheres on exoplanets.
It wouldn't say much about inflation or dark energy because it's not probing that early era of the universe, at least not directly.
And that's not what it was designed to do.
It's designed to do spectroscopy, imaging, photometry, et cetera, of compact objects, of galactic individual galaxies, not background radiation of gravitational waves, et cetera.
this is quite, quite astounding if you only had its spectroscopic abilities, but the press and
everything really wants to see these pretty pictures. In that sense, we've kind of been there,
but done that as far as the general public knows, and I assume you're a member of the general
public, but it's not true that it hasn't revolutionized the understanding of these objects
or won't continue to do so. I mean, just in the past few months, we've seen evidence of
very interesting science and exoplanets, and then interesting information that may impact
the CMB because there's a claim that these early galaxies produce a certain amount of heat that
we stupid cosmologists are mistaking for the CMB. It turns out it's a microscopic, maybe 1%
effect at most, which I'm not even convinced about yet and think needs much more analysis before
it goes more viral than it did on social media. This post that the CMB is totally destroyed and
massive losses for cosmologists, I'll have a video about that at some point. But no, it has,
Web has been great. It's shown even the existence of this molecule called dimethyl sulfide, DMS. I said
video I made a couple months ago that life slid into our DMs, DMSs, but we don't know. For sure,
that seems to be a little bit contentious right now. But the fact that we can see the presence of
these molecules in atmospheres around other planets and can directly image them and see them
without this giant stars nearby them interfering and blinding us, like trying to see a firefly in front of a
searchlight. It's just phenomenal technology. The cosmology results, those are a little bit more
contentious. They led to some headlines a couple years ago with these early spinning galaxies. It's a
problem with galaxy evolution. It's not a problem with the model of cosmology. Say you come to Earth now
and you say there's chat CBT and there's AI and superintelligence and all sorts of things going on.
There's no way that could have happened in just four billion years of life on Earth. 3.5 billion years
since the first prokaryotic cells appeared on Earth. That doesn't mean that the age of the
Earth is in doubt, it means that your understanding of evolution may need to be modified.
And so in that sense, our understanding of galaxy evolution probably certainly has to be
modified. A lot of it's based on simulations, which have inputs to them that we need to understand
better. And so there's nothing wrong with that. I'm going to take a break in just a minute,
go to a July 4th barbecue, come right back and answer the remaining questions. Reminder,
you can always ask me questions on YouTube, Dr. Brian Keating. I have a secondary channel
where I put explainer talking head videos called Professor Keating Experiments channel.
On audio, you can leave comments on Spotify.
You can leave a review.
I put out polls on Spotify.
Everyone likes to get polled, don't you?
And we'll come back with more and also on social media sites such as X, LinkedIn, and threads, Instagram, Facebook.
I maintain a presence there, Dr. Brian Keating, pretty much across all those.
All right.
So we'll come back.
We'll talk some politics.
talk about Trump, talk about the USA, and in Europe, and then a lot of more interesting videos coming up.
Okay, more questions coming up, I should say.
Stay tuned.
Just before we wrap up, I want to make sure that you hit subscribe and join me beyond the Big Bang every week right here.
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I just got back from a lot of meat eating.
And my choices certainly were meatyries.
on this 4th of July
barbecue season. Okay, VREQ
asks, how am I
coping with the Trump cuts? Well,
Trump cuts, I assume, and the budget
cuts, and the big, beautiful bill that was
just passed, don't really affect me.
I am 100%
supported by the Simon's Foundation
research, the Simon's Observatory,
that I am a PI of. So I am not affected at all.
Eventually, the National...
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We just haven't found the steps yet.
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Hilton, for the stay.
Mine's Foundation is going to take over partially
in terms of contributions,
observatory, so that would be devastating if those cuts propagate through. We don't have
indication of that yet, but we do know the government, even before the Trump cuts under the Biden
administration, cut back all development of new instrumentation at the South Pole. So that really
impacted cosmology via the plans for the fourth generation CMB experiments that were intended
to go down there, so-called CMB stage four in Chile and in the South Pole. But now at the
Biden-free, the Biden cuts led to a stoppage of those plans as well. It is, I'm not going to
sugarcoat it. It's definitely dark times for science funding. My friend Jay Batacharya, I've had on the
podcast and spent a lot of time with my life. He's now the director of the NIH. Hopefully he can
help alleviate some of the budgetary issues, but some of them I'm not upset with. The cutting of
funding to institutions like Harvard couldn't happen to nicer organizations for those midwit institutions.
that chose to prioritize support under the guise of free speech to have blockages, encampments,
harassment. These are all ridiculous things, errors of the Biden and Obama administrations
that thankfully are not really in place anymore. And I don't think that would have happened without a Trump
victory. So to complain about cuts of up to $400 million or Harvard, most laughably,
now appealing to corporations and donors when they have a $54 billion tax-free endowment size of,
easily enabling them to be on the Fortune 500 list. It's just a joke. These universities are
for-profit entities that are restrictionist, isolationist. They don't let in more than the
capacity of a good-sized Chipotle can serve on a weekend afternoon. As I said, the bureaucracy,
the equity imperatives, and we're being sued at the University of California. I don't speak
inside of a glass house alone. We're being sued for the so-called presidential fellowships, which were
primarily seen, according to allegations, as a vehicle to achieve racial diversity goals,
which is against the California Constitution and the anti-affirmative action policies of the state
of California. So those were being accused of ways to get around that. The cuts to funding from
the federal government, which eventually flows through to universities, that's a much more complex
topic, is not clear at all why we still adhere to this 1940s and 50s era model where universities
were thought to be the only places where scientific research would take place.
So money was sent from the federal government, i.e. your taxpaying dollars, to universities
for their beneficence and stewardship.
And then they ended up using a lot of those funds and the overhead that I get charged,
or used to get charged when I had NASA, NSF, and DOE grants, 60% of that almost would go to
support the university indirect cost contributions, which in part, since money is fungible,
was used to support vehemently anti-American departments.
Thankfully, a lot of that's gone.
I did testify in Congress last year about the horrific encampment that was tolerated for five days here at UC San Diego.
We were harassed here as Jewish individuals, but nowhere near as badly as at MIT, Harvard, physical violence and so forth.
We had a lot of intimidation and student groups that needed to be banned and eventually were banned.
UCLA is now protesting against the federal government decision that they violated so-called Title VI, which is equal rights.
under the workplace rules, not Title IX for equal rights for sexes, which is also problematic.
So it's a horrible time in academia right now. I think a lot of it is our own fault. We treated the
money like a gravy train. We expected it. And now that it's not coming in, people are crying and
blaming all on Trump, the boogey men. So we have to see. Is this a good model? Do we need to
have California state tax dollars to do that? Ethnic Studies dollars, diversion from
physics department grants? Do, do, is that where you want to do? Is that where you want to be?
want your money to go? Or could we have a vote from the poppy list, rather? Have them vote. Where do they
want their money to go? It's your tax dollars. I'm not in favor of any monarchy, no kings and all that,
but the bottom line is, especially on July 4th. But especially so when it's taking money out of my
pocket, you should not have that. As I testified in Congress, you can't learn in a place of fear.
You cannot teach in a place of anger and hostility and hatred. And then they use the platform that
the university is cultivated and built up through very kids.
careful stewardship by colleagues that have long preceded me, and hopefully I contribute to the
reputation for scholarship.
And that then enjoins and enables, rather, the participation of malefactors to broadcast
their malicious, malevolent intentions using a platform that they didn't create.
They never cease, though, to fight and cry, literally cry if they don't get their degrees from
this university, which they'll then claim is just a tool of capitalism, imperialism, colonialism,
all the other BSisms that they like to bandy about because they lack any notion of what real scholarship is.
It's a mixed bag. The Trump cuts will possibly throw a lot of babies out with the Balthwater,
but a lot of the universities that are suffering of the consequences of their illegitimate, anti-intellectual,
anti-scholastic, anti-collegial actions and just sucking off the public teat for decades,
I have no problem with those cuts.
Okay. So those are the ends of the YouTube.
questions. I had a whole bunch on, you guessed it, X.
X, formerly known as Twitor. Let me go over there. See if I can find any questions that are
worth answering. John Anderson says, stick to science, otherwise they'll get in lots of trouble.
Well, I wish you told me that before I answered the previous question about the Trump budget cuts.
and my true feelings about the nature of decrepitism in academia.
Next one comes from Cannot Be Blank.
What's your favorite thing about Chile outside the observatory?
Chile's a really cool country.
The people are wonderful.
Food is pretty terrible, but the people are wonderful.
The culture there, the centering of the culture around the night sky,
and the stars, the galaxies, the things you can see down there.
You can't see anywhere else.
I guess that's kind of related to the observatory, but not really.
a thriving non-microwave background astronomy, a component to their wonderful country,
but a big part of their economy and they're smart about it. They don't push it away like other
locations. They're trying to nimbiae's huge telescopes, which could only benefit them intellectually,
culturally, et cetera, with minimal impact on their terrain. You're talking an observatory. It takes up
less than an acre of land in a country that's 5,000 kilometers long in Chile and
or states that are hundreds of millions of square miles, perhaps across.
It's a wonderful country to visit.
It's because it's such a large and diverse, geographically diverse from north to south,
with this huge desert in between, with sea level to 22,000 foot tall mountains
within the 30-mile distance of the ocean, you get incredible diversity of the flora and the fauna
and the landscapes, salt flats and nature preserves and hot springs in the desert,
and then down south it gets freezing cold in the winter.
And as the launching point off for trips to Antarctica, even, on the north, of course, Chile has access to Easter Island, which for some odd reason is owned by them.
So it's an incredible place, incredible country, very much considered, in my opinion, the second world.
It has some first world attributes like the capital city, Santiago, where 90% of the population lives, and the out-of-coma desert.
areas where these telescopes and massive mining operations take place.
But then even there, you'll see people washing, bathing themselves in the streets next to where
they are washing off their llamas and their sheep.
So it's quite a mixture culture clash.
I guess we have that in every country, but it's pretty stark.
You see that very eerily so.
But then you'll see all the people together and they work quite well together.
It's a very cosmopolitan city, Santiago.
I don't say it has the soul of one I'm told Buenos Aires or
Sao Paulo or Rio has. It's very comfortable. It's very clean, modern, very European, as I said.
And then you have access to this on parallel and astronomical resource called the Atacama Desert in the
mountains of the Andes. Incredible. Okay, he also asks another question. If you were sent back to the
year 1 AD for a week and your sole purpose was to advance civilization as fast as possible,
what would you teach them, ideas or concepts or technology, would you lead them with?
Well, this is kind of similar to the question I used to ask all my guests.
You know, what piece of information would you put on your monolith from 2001 of Space Odyssey?
And I got some beautiful, not 3D printed, but acrylic hand-casted monoliths in my studio, my other studio.
These monoliths are kind of like time capsules or messages or talisman for future generations.
And I always used to ask my guests, Nobel laureates included, what would you put on your monolith if you knew it would last a billion years?
And I think the sentence, and this kind of echoes Feynman's cataclysm question, which is what sentence expresses the most amount of information in the fewest words.
And Feynman said it's that the atomic hypothesis, that atoms are made of whirling bits of electric charge that spin around ceaselessly, boundlessly, and in combination can make up all the matter that's important and matters to us.
For me, I'd say the cosmic microwave background explained that it has these acoustic oscillations in it, which later lead to barren acoustic oscillations.
and that would incorporate not only Feynman's atomic hypothesis,
because the pattern of light that we see directly traces the pattern of ordinary matter, dark matter,
and the ordinary matter is made up of hydrogen atoms primarily,
and a bit of dark matter, a lot of dark matter.
So I'd be able to encapsulate the core principles of all of cosmology
in a very, very small amount of information,
which would subsume everything that we know about physics is contained within cosmology,
except for maybe biophysics doesn't contain itself within cosmology,
Although if you talk about aliens and expose things to the harsh light of the origin of life problem,
then indeed it does include and incorporate the aspects of so-called biophysics.
So I actually love cosmology because it's the broadest, widest ranging of all.
Last but not least, deep safe, prevent, protect, and preserve.
The jasterism.
Jasterism.
Why Eric Weinstein?
Just because he's your buddy, he clearly is toxic deviant,
who will brainwash enough numbed these because of his holy crop of rubbish called geometric unity will never be accepted.
That's not really a question.
It's kind of a comment.
I guess he did why Eric Weinstein.
I think he's very interesting.
I think he has fascinating ideas.
I think he shines a harsh light.
On the reality of physics and theoretical physics, I fight with him a lot about his opinions bleeding through
and kind of expansionary creep of critical creep into experimental physics,
which is certainly not stagnating over the past 50 years.
And the problem is when he communicates those ideas and people that are influenced by him,
pick that up.
But there's a lot of other influencers ranging from Sabina Hasenfelder,
John Horgan, I think is another guy I've heard about,
that are also kind of fighting the same fight or claiming the same claims, end of physics.
I actually disagree with all of them.
And I'm more in the David Deutsch School.
And reminder to stay tuned for my interview with him, two hour long.
I think I went deeper with him than any guest I've had on.
And he's went deeper with me than any podcast he's ever been on
because we really resonated in terms of our understanding of what is important to search for.
How do you convey these things?
What is knowable?
The boundary of philosophy and physics and the impact of it.
So Eric has a lot of those positive attributes, unlike I wager to venture to guess you.
So there are many detractors, haters, people that don't like him.
I think he's a big boy.
He can handle those criticisms.
He's a complicated person, doesn't believe in things like peer review necessarily that I do support.
I always say to him my favorite phrase that peer review is the worst form of scientific iteration,
except for all the rest.
He hates when I say that.
He thinks it's a trope, but I think it's true, echoing Winston Churchill.
There have been reviews as long as there's science.
We need scientific and partial bipartisan review.
We're not politicians.
There's no opinions in science.
There's just facts and data.
And it may turn out he's completely wrong.
I'm interested in seeing that.
the amount of effort that's dedicated to him on the channel.
Again, I didn't have them on for two years.
This is the first interview in two years.
And all of a sudden, there's all these trolls coming out,
making summary videos of him and me,
three or four different channels of people that have these incredibly grandiose names for them.
Their channels, The Bad Boy of Science, Sam.
Come on, you've got like 20,000 subscribers.
So you're not that bad of a boy.
But I get it.
You want to get clicks.
You want to hang, glum on to,
Eric's name, you want to use me, I'm kind of flattered in that. But the bottom line is,
didn't have a mom for two years, came out when we had a lot of information from Desi about the
cosmological constant, which is a prediction, and you can disagree with that, but it was in
his paper from four years ago, and you can say all you want about him being non-serious because
he called it literally a work of entertainment, but the reason he did that, as he says, is because
he's been, claims that his copyrights have been violated by people at the highest levels of physics,
like Ed Witten and Natty Syberg and others.
So that's his perspective.
If you're not going to agree with it, go right ahead.
Be my guest.
You don't have to agree with him whatsoever.
Okay, the last critical, I'm ending off
with two critical comments and then I'll end with a big bang.
Okay, this is back on YouTube, Frenchie, Frankie, and Henry.
You speak to a lot of interesting people,
but the constant edits make your videos almost unwatchable.
I'm the type of person that will usually watch a conversation
from start to finish,
but I've never been able to do that with one of your videos.
If you just record and play the conversation, your podcast would be 10 times better.
All right.
Well, I'm always looking for constructive criticism.
You have to edit conversations.
If you didn't edit them, there's so many breaks and pauses and the flow would be disrupted,
and there's no logical progression.
I've put a lot of effort into entertaining and educating, starting at a lay level to get
an entry point for people that want to learn about the topic that are interested in the topic
and then slowly ramping up with different ways to retain interest and retain tension.
And I've monitored that, and YouTube does a wonderful job of telling me exactly how good I am at retaining your braining.
And I have to say for a non-professional, remember, this is my side hustle people.
You don't pay anything to watch this.
Listen to this.
You get it all for free.
Welcome those that support me through the YouTube membership.
It's a tiny amount.
I mean, I'm blessed by the 150 of you there and Twitter supporters and hundreds and hundreds of people on Patreon and other places, but it doesn't cover the business.
So I'm putting out a lot of stuff.
I appreciate that's not what you like, but guess what?
94% of the audience disagrees, you Frenches, Frankies, and Henry's.
So I think there's editing in the beginning.
A lot of people complain also that I have these captions in the beginning in giant font.
And they don't even watch the interview to see that that's only for the first 39 seconds,
which is the biggest component of the algorithm waiting by YouTube.
So if you knew a little bit about how YouTube works, you know that you only have 30 seconds,
sometimes two seconds, three seconds, before someone clicks away.
And then they'll miss perhaps the remaining 3,598 seconds of just solid gold interviews with laureates from all different walks of life.
So I appreciate the feedback.
I'm not going to change anything about it.
I don't edit them myself.
I have a team that costs money.
And they're very good.
They're very good professionals at Legacy Media.
I've got media consultants and so forth that work with me, Josh Reef and others, do great work.
Patty Galloway's helped me a lot. And the YouTube channel's metrics just keep growing up into the right.
They're just blown up into the right. So I can't wait to see what happens in the next 500 episodes.
God give me this drink to continue for 500 more. Maybe that's five years. Maybe that slow it down a
little bit, take it out to 10 years, and we'll see where it goes. I'm having a blast with it.
I'm enjoying all the videos I get to do. All the interviews, we've got so many coming up.
We may be switching to a two-a-week schedule of release because I don't want to have backlogs.
They have brilliant guests that are having breaking news like we had with Vera Rubin or Desi.
These are embargoed data sets in some cases.
I don't want to sit on those for the eight weeks I have backlog, which is a great problem to have as a podcaster.
But I'm not Joe Rogan.
I'm not doing three a week or pushing them out to the intertubes.
So I hope you appreciate what you're getting.
I hope you'll continue to support me.
I do read the comments, although you're not supposed to.
but I obviously love reading all these.
And even though little snipes at Eric or at my production style and so forth,
those don't really bring me down.
So keep it up.
I'm really looking forward to the rest of the year.
And you should be too.
The next half of the year is going to be straight hot white fire.
You're going to hear guests you've never heard on podcast before.
And some guests you'll hire return back.
And it's quite gratifying to get letters of requesting me.
I get letters requesting every day to have guests on.
But to have them come from Nobel laureates and Pulitzer Prize winners and professors and colleagues and friends and people I've never heard of.
But just know you're going to be blown away by their intellect and their output.
It just brings me a lot of joy.
I'm glad that there's an audience out there.
I do it without you, but I really would like to spread it to more people.
Again, you get it for free.
It's the education I wish I would have had when I was a wee lad and trying to learn about science and how to go to a library.
if you can believe that. No audiobooks, no podcast, but I'm doing it. And I'm hoping that you'll enjoy it too.
So Brian Keating, expressing gratitude. Don't forget, Brian Keating.com slash YT, get a meteorite possibly.
Join the mailing list. Enjoy the rest of the half of 2025 because you're going to have to buckle your seatbelts for what's coming next.
