Into the Impossible With Brian Keating - 🎉 Celebrating 200K Subscribers: Q&A with Brian Keating 🥳 (#390)
Episode Date: January 29, 2024Please join my mailing list here 👉 https://briankeating.com/list to win a meteorite 💥 I can’t believe it. We’ve reached 200K subscribers! Thank you so much for joining me on this excitin...g journey. It is an immense pleasure to engage with all of you and to share my passion every day. In this celebratory episode, I'll answer all your questions from the comment section, Instagram, Facebook, Twitter, you name it. So, buckle up! Today, we’re diving deep Into The Impossible. — Additional resources: 📢 Ownership of your health starts with AG1. Try AG1 and get a FREE 1-year supply of Vitamin D3K2 and 5 FREE AG1 Travel Packs with your first purchase 👉 https://drinkag1.com/impossible ➡️ Follow me on your favorite platforms: ✖️ Twitter: https://twitter.com/DrBrianKeating 🔔 YouTube: https://www.youtube.com/DrBrianKeating?sub_confirmation=1 📝 Join my mailing list: https://briankeating.com/mailing_list ✍️ Check out my blog: https://briankeating.com/blog.php 🎙️ 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 subscribe so you never miss an episode! Learn more about your ad choices. Visit megaphone.fm/adchoices
Transcript
Discussion (0)
Communication, outreach, conversation, engagement.
Talking to a camera is a very different skill than giving a lecture to a bunch of undergraduates.
They're both amazing, and they both take a lot of work to be good.
Any sufficiently advanced technology is indistinguishable from magic.
Welcome everybody to an exciting episode, my favorite type of episode, a celebration episode, an episode,
celebrating 200,000 subscribers on this YouTube channel.
So we're going to have a little bit of a party going through some questions that I got from Twitter, from YouTube, from Instagram, from threads, from Mastod.
No, I'm not on Mastodon.
Remember everybody was saying they're going to abandon Twitter X, whatever it's called, and go to Mastodon or Blue Sky.
And I still see people saying they're about to do that.
So I want to just thank you guys so much for being a part of this wild ride.
I'm going to answer a bunch of questions, and hopefully you guys will be thrilled and
stick around and share the channel with even more people.
And there are people saying, you know, some wonderful things in the comments.
And I'm just so overjoyed by getting to do this.
My, you know, side hustle, I suppose you can call it.
It's not my main hustle.
My main job is teaching.
of those brilliant students in the world at UC San Diego, where I have the honor of being
the Chancellor's Distinguished Professor of Physics for the last four or five years.
Got a couple more years left on that term, and this year is really exciting because we're
starting observations with the Simon's Observatory in just a few months.
It's going to be a real revolutionary instrument, and I'm proud to be one of the co-leaders of that
project and the initiator of it back in 2015. It's a hard to believe we're in the next
the ninth year of it, since it was just a twinkle in the eye of Jim Simons and the Foundation.
We'll hear more about that this year.
It's going to be a great celebration.
I'm also in the process of writing my fourth book, which will be a second volume of this book
over here in the background here in the studio and the Into the Impossible, Into the Impossible
Think Like a Nobel Prize winner, Volume 2 coming out later this year.
We're on deadline for that.
for that. You'll hear more about that featuring nine new never before written about interviews that
I've done with Nobel Prize winners from various disciplines including Peace Prize and Economics Prize
and of course a ton of physicists including some who have never really done podcasts or interviews
like this before and we distill their wisdom and knowledge into actionable information that
no matter if you're a car salesman in Oklahoma or you're an astrophysicist in Nebraska.
anywhere in between those two very distant locales, you will benefit from that knowledge and wisdom that I've been the beneficiary of and you guys get to be the beneficiary of as well.
Last thing, remember to go to my mailing list, Brian Keating.com.
You'll get a chunk of meteorite.
If you're one of the lucky winners, I choose each month, we've got 10,000 plus people on the mailing list that you can't believe it.
I really just started the podcast in earnest four years ago in the spring of 2020 during the height of COVID.
And I've been able to really grow it and, you know, really exceed my wildest dreams.
We hit 100,000 subscribers earlier this year.
Sorry, in 2023.
And we've blown past that, doubled that.
And I don't see a reason why we can't keep on growing all the way, you know, maybe to the million mark.
We'll see because it all depends on how generous you guys are by sharing it.
I don't charge anything for it.
In fact, I give a lot of stuff away.
and I want to keep doing that because it's really a true joy to be able to do that.
So got about an hour in this special Q&A episode and let's rip right into it.
Okay.
So there's a lot of you guys giving me comments and congratulations.
I've seen your channel grow.
It says TCL 5853 and it's more than well deserved.
Thank you so much.
Kudos to me and my team.
I do have a great team.
Shout out to Ryan and the legacy podcast podcasting team all around the
world. It used such a great job turning the videos into masterpieces and audio episodes.
We try to do a little bit different for each, you know, format, the video versus the audio.
And so you can find that at Brian Keating.com slash podcast.
It's on Spotify, obviously, iTunes and Google is going, doing away with their podcast software,
but you'll be able to find it on YouTube podcast.
Let's see.
Murtha
Minchin
Adure
8260 says
Dr. Best Wish is
hopefully 2 million soon
I don't know about soon
it's taken four years
to get to 200,000
so 10xing that
soon
but it can happen
and hopefully you guys
can be a part of it
and say you knew me when
so it's been such a
great and lovely ride
and so many of you
are just congratulating
Chad and Randa
maybe it's two people, maybe it's one person, says,
very best wishes to you and the family.
Thank you so much.
Got the Into the Impossible Family and my research team here at UC San Diego
and Chile on the Simon's Observatory
and, of course, in the podcasting sphere.
It says, hey, foot on the gas, bro, don't be a punk B word and don't sell out.
All right, well, no worries there.
I'm not going to sell out.
I don't know who would be buying me.
But this is kind of a passion project.
So I love doing it and I love when you guys give me the opportunity to speak to a camera,
something that didn't really exist for me and as a possibility for the career, you know,
kind of break from my day-to-day job, which I get to do and talk to these phenomenal people.
I've talked to 18 Nobel Prize winners, a couple of Pulitzer Prize winners, some billionaires, astronauts, writers,
researchers, and it's just going to keep growing.
It's just going to keep getting bigger and better.
All right.
Karen Cooner 3307 asks,
if someone wants to learn about physics,
but it's been a while since he, she had anything to do with it,
what books or people would you recommend to read, follow?
Also, congratulations.
Here's to many more years of success.
Thank you, Karen Cooner.
So there's a lot available on YouTube.
I don't currently position what I do
in terms of only learning lessons about physics.
It's not organized like that.
I do teach cool experiments and do some solo episodes,
as does my friend Sabina Hasenfelder,
who's best in the business
and as an educator and an active researcher.
And there's tons and tons of assets
and things online that you could find.
So starting off, you know,
the basis of physics is math
and having curiosity and understanding of it.
So if you really want to get deeper into,
physics, that's where I would start. So stuff in math and doing stuff. You know, I am not this
video, but I'm sponsored by brilliant.org. You can visit my brilliant.org list. My link will get you
some discount subscription. I'll put a link to that here down below in the common section.
And they have tremendous resources for learning basic science, math.
And I actually use it just for fun to learn about computer science and stuff.
I'm not a particular expert in.
And, you know, there's only so much time to develop expertise in my own field of cosmology,
let alone to really go deep into these other fields like biology or computer science.
So I really like them.
Brilliant is a great opportunity.
Of course, you know, it's not free.
There are other courses.
I've recorded a course for Peterson Academy, which will be a four, you know, you'll have to pay to subscribe, but you'll get access to all their courses and great educators from John Verveke and Brett Weinstein and many other luminaries, Jordan Peterson himself and Vincent Heronam and maybe some past guests that you've seen on this podcast as well.
So that'll be coming later 2024, but that's significantly more expensive than brilliant.
But look for, I'll have some codes and stuff that you can get access to that resource.
And then obviously books, they're great books, depending on what you want to specialize in.
Sean Carroll has had some success with his book series called The Biggest Ideas in the Universe, the second volume is coming out in May.
And the first one was about, you know, kind of the mechanics and gravity and forces and so forth.
and he's going through his list of his YouTube channel,
which he recorded three or four years ago as well.
So you don't have to buy the book.
You can just go to his YouTube channel, and he goes in great detail,
and he's a great educator.
So that's free on YouTube, or you can get his book or do both.
I'm sure he would appreciate the book sales as well.
Okay, next question.
Life 42.
I love you, Dr. Brian Keating, all the way from Florida.
Mitzpahs for Life.
All right.
Wow. Shabbat Shalom to you.
Callan Barnes, 7669 says, best hair in science, Brian. Thanks. I recently paid it off. So I am quite thrilled that I still have it. I don't die yet. I'm starting to get a little gray over here, over there. That's okay. I'm 52 years old. You know, it comes with the territory.
So, you know, I always say people complain about getting older. I said, you know, beats the alternative. So just a great.
Season of life. Last year, you know, it was one of the best years of my life. Not the best year of my life. Of course, you know, tempered by the tragedies in Israel in October, right after I was there in September for my birthday, my Bar Mitzvah anniversary. So that put a damper on the year. But we'll get through it. And, you know, hopefully things will come out better than before. Stronger, more solidified. And I hope to get back to Israel. Maybe even this year.
see. Got a lot of cool trips and stuff planned, meetups with people ranging from, you know, my friend
Peter Thiel and others in the spring to a trip possibly to Japan. I've been in about 10 years.
See my buddies, my collaborators at the Japanese Space Agency and in Tokyo University of Tokyo.
And that'll just be phenomenal. Okay. Next on coming up.
Jared DachopPC1, congratulations watching you from Mexico.
Thank you.
Grazie, I say.
Next up, and the sasses, and ands.
And sass.
You guys have very difficult to pronounce screen names.
Well done, and thank you for your persistence in doing more than just a podcast.
Thanks.
I do do that.
I really want to connect, as I say, a million minds to have a stem
education for free, being able to get access to the world's greatest minds, you know,
where you guys get to ask some questions.
I always post opportunities for you to ask questions that I guess.
And nothing's going to change.
In fact, well, you know, maybe even toying with the idea doing some live episodes with good
friends and past guests and want you guys to look forward to that and maybe join me in person.
That would be a real phenomenal thing to do.
Okay.
Well, anyway, Anna's, he asked, so I will ask you for something more because I give more than just the podcast.
I remember when you went hiking in nature and that seemed to bring you great pleasure.
Do you still do it or have an exercise routine that makes you feel good or Goggins and consequently sharper?
If so, we'd like to know.
Yes, I do try to exercise six days a week.
On Sabbath, I rest, though I do like to walk.
So, yeah, I go to the gym, try to the gym five days a week.
and hike, you know, kind of on the weekends with my kids and my wife.
I do love being in nature.
I forget where that episode was.
It might have been in Wyoming a couple years ago.
I sought refuge from COVID, and we get to go back there on occasion to a little secluded
spot outside of Jackson, Wyoming.
That's a real incredible place.
And I don't get out as much as I'd like to.
I would like to do more.
And I do love to hike here in San Diego County as well.
It's the only place I've ever lived where you can go surfing in the morning.
And you can go skiing in the mountains, cross-country skiing, not really downhill skiing,
where places like Mount Laguna or even where Mount Palomar is in San Diego County, and it snows there.
In fact, this weekend, I'm recording this in, you know, the second half of January.
It's quite cold and it's supposed to snow above 6,000 feet.
and it's supposed to be warm after that.
And so one could surf and then go hiking on the same day.
Now, I don't know where you live, but it's pretty much the only place I've ever known when you can do that.
Now, Gaggins is a special breed.
You know, for me, the main thing is fitness.
I do like lifting weights.
I do do a lot of what's called my routine is called strong lifts,
basically six different or five different exercises, alternating, you know, three days a week.
always involves squatting and then it alternates bench press deadlift lats shoulders and maybe one or two
other things so I do like doing that I've always been into weightlifting playing football
doing stuff wrestling jiu-jitsu craft maga trying to get more into flexibility as I get older
because you know strength is great and it makes big difference according to people like Peter Atia
or Andrew Humerman, in terms of longevity and quality of lifespan, not just health they call health span, not just lifespan.
But I'm trying to also always continually battle the weight and, you know, try to always, I'm always on a diet.
I've never not been on a diet since I was about 10 years old.
And it's a struggle.
And it's something, you know, it's my one addiction.
I've never done a drug in my life.
And despite, you know, Joe Rogan trying to get me to try some mushroom cocktail,
or whatever he had.
I didn't do it.
This is not a mushroom cocktail,
anybody who's wondering.
I've had a cold for about two weeks,
not COVID,
but some crud that I probably picked up
from a kid.
And it's been pretty brutal.
I haven't been able to really work out
or go in the ocean.
Just taking a walk.
I try to take a walk every day
by myself,
with my kids,
a couple miles,
get those steps in.
And it is, you know,
no doubt.
It does blow you away.
things like depression and amps you up and gets you, you know, in a creative mindset.
And also for me, I get kind of debilitated being on telecons. I mean, most of my job is being
on telecons or meetings in person. It's not really like building the telescope or analyzing
the data from it. It's kind of advising students on how to do it. So when I can be on a telecon on
Zoom call and take that on my phone and go for a walk, you know, around campus, especially we have a beautiful
campus it's huge there's a forest on campus that's my secret kind of getaway when you see me
in nature sometimes i'm over there and maybe i'll do more walk and talks like that no it's been
kind of um a while since i did that so yeah got to get out got to get nature especially you know
change your mood change your mindset those are the kind of only sorts of of routines that i can
imagine uh giving advice about uh where i've been doing it you know essentially my whole life i'd like to
if I could lose a little more weight, I'd be back on the running track and running through campus
rather than just, you know, walking through campus.
But, you know, 52-year-old knees, you've got to be careful.
Okay.
Thanks for that.
Chris A Zach Tien 3532.
So congratulations.
My highlight on this journey was you with Brian Green.
Also loved many of your other guests like Frank Wilczek, Carla Ravilli, and Keating in the Royal Institution.
You really made a guy.
Yeah, that was a huge.
highlight of my of my professional life I was able to speak at the Royal Institution
the hallowed halls of Michael Faraday of JJ Thompson of Arthur Eddington and Keating
and so being there was a was a true highlight one of the two they made two videos
one is a you know the hour-long discourse which I got to give I was locked in a
room before the actual presentation my kids two of my kids locked me in the room
and I was forced to wait there because tradition has it that Michael Faraday was once forced to give a talk because the speaker abandoned his post right before the lecture, got nervous and bugged out.
And so Faraday initiated a rule for this type of talk called the discourse that I gave in June of last year,
that you got locked in, the speaker got locked in the room before speaking so that he could not escape or she could not escape.
So that was really fun.
So that video did pretty well.
It's got 80-something thousand views in a couple months.
But then they made a short, and the short is, I mean, it's not my best word.
It's not my favorite video of all time.
But I guess it was pretty cool because it's got 6,200,000 views of me with a polarizer
and showing what polarizers do in a light.
So it's pretty unbelievable.
Anyway, Chris says, I suggest you should retire now and enjoy the rest of your life.
All right.
Well, this has been fun. Thank you, Chris, for the advice. Signing off, right?
I'm not going to retire, Chris, but he says, or will there be even more?
Wink, wink, wink. Yes, sir. There will be tons and tons more. This year is going to be even bigger than last year.
Although last year was pretty hard to top with appearances with George Peterson, Joe Rogan, and Ben Shapiro, and many other things I got to do and have done to me.
And that was just an unbelievable ride. And, you know, I mean, for me, the, the, the,
The thing is to kind of just keep doing the great content, keep getting the great guess.
And the way that you guys can help, again, is really, I mean, it's kind of surprising.
I mean, I do this with videos and channels.
I watch, but I forget to subscribe.
I don't, yeah, I can leave a comment or I don't leave a thumbs up.
But it does help.
I mean, the algorithm, sometimes I'll have some video and just be something, you know,
I recorded six months ago.
And I'll see it.
It'll just be like going exponential and getting, you know, 200,000 views in a weekend.
I was a thing I did, you know, six months ago.
So who knows, but it has to do somehow with how many people are sharing the video.
So if there's a button with an arrow, just click share.
Even if you share it, if you just click share and then copy the link and then paste it into another browser.
So if you go from Safari or Edge to Chrome or Firefox, that counts into the algorithm.
And those are some of the biggest things you guys can do.
Again, totally free.
And that tells the algorithm that this is a shareworthy video.
and YouTube likes that, you know, more than anything, because then they can, you know, sell more ads, I suppose.
And, you know, I don't control how many ads get really shown or, you know, which ads get shown.
Helps to offset the cost of my team.
It's very expensive to do this.
And I'm not so poor.
I get zero dollars.
I get nothing from UCSD.
And people always ask that.
And, you know, I can make a decent amount, but it costs a lot to support a team of, there's 14 people on the team all over the world run by my friend Ryan Helms.
in Austin, Texas.
But, you know, it's a tremendous amount of work to post, to have show notes, to have content,
Twitter post, Instagram, TikTok.
We even have a TikTok channel, Professor Keating.
And, you know, it takes a lot of time and money to do that.
So, you know, I try not to do too many subscriptions.
Like I said, are promotions.
I do have brilliant.
I do this thing called Ground News.
There's a couple other places.
I'm trying not to do like VPNs.
Do you really care what I use as a VPN?
Keating VPN.
No, I don't have my own VPN yet.
You said this place was steps from the water.
We just haven't found the steps yet.
How much did we save?
Enough.
Enough to get lost.
Or you could book a stay with Hilton.
Welcome to your oceanfront room.
Just steps from the water.
The Hilton sale is on now.
Book on Hilton.com or The Hilton.
an app and save up to 20% to get the stay you expected.
When you want savings, not surprises.
It matters where you stay.
Hilton, for the stay.
Okay, next question comes from
Swag at Panda, 23.
Okay, that's reasonably easy to pronounce.
Congratulations, Dr. Kate.
My question for you would be to list out of five of the most promising fields in physics
that you think have changed the world in the upcoming decade or two.
Well, I'd be lying up and say,
cosmology is going to change things, especially because we have these incredible observatories,
like Simon's Observatory, Vera Rubin Observatory, the Nancy Roman Space Telescope, the James Webb Space Telescope is just getting started.
There's neutrino observatories like Ice Cube, down at the South Pole.
He spoke to Francis Halzen, the PI and founder of it a year and a half ago now.
And just there's so much happening in astrophysics, because it is the highest energy access that we have in the cosmos,
It behooves us to really study it and see if we can unravel the properties of these mysterious concepts that we are confronted with for everything, black holes, things in the black hole space.
I just talked to Andrea Gez yesterday.
She didn't want to come on a podcast, I have to say.
I was disappointing, but, you know, I'm used to being rejected by women.
But she and I spoke for a long time about her research and how, you know, things are going to get even more impressive with the 30,000.
meter telescope and the giant Magellan telescope coming online in the next 10 years. And so,
you know, black hole physics, event horizon physics, telescope, imaging other black holes,
understanding gravity in extreme circumstances, all these extra solar planets that are being
imaged and mapped out and their spectra. So cosmology, number one, it's got to be. That's possibly
self-interested, but other field.
Condense matter, novel
materials you saw this past summer, how
interested people were in
claims of high temperature superconductivity,
room temperature, superconductivity,
that's going to revolutionize
the world. And there's no obstacle
to it. We're getting close to it.
We still not understand the theory behind it.
Exactly how it works.
That's a concern.
So there's a lot of progress that can be made in
theory and experiment.
material science.
Then, of course, there's fusion physics.
There's laser and optical physics.
These are branches of condensed matter physics, both theoretical and experimental.
And then there are obviously LIGO and gravitational physics and strong gravitational fields,
more and more understanding and cataloging of rare events and seeing if we can see simultaneous astrophysical,
You know, astronomical telescopes seeing events when they are observed by LIGO and Virgo.
Eventually, space-borne version of LIGO is planned and hopefully on the not too distant horizon.
And then in terms of the kind of inner world biophysics, you know, kind of designer materials and applications of those materials in the biological realm for, you know, kind of.
of understanding not only how to benefit life as it is now, but perhaps how life originated
in the beginning on Earth.
You know, I might say lastly, I'm really excited about the application of artificial intelligence
to physics, how we can perhaps generate or discover new patterns, new laws in physics.
I'm kind of skeptical about that, but that doesn't mean I don't think it's a promising field
of physics.
So it's computational physics, it's machine learning.
I'm quite interested, again, you know, when you put two buzzwords together, quantum computing
and artificial intelligence, I don't think we've seen really any super promising applications
yet from quantum computing other than, you know, understanding quantum physics better,
which is incredible and truly important.
And maybe that will lead to some breakthroughs and understanding the Lagrangians that are
involved in high-temperature superconductivity.
But I wonder if there is some special synergy that could occur.
when you marry quantum computing and artificial intelligence.
And that coming online could really be truly revolutionary.
So I think it's the most exciting branch of science, as far as I'm concerned,
people are always interested in.
It covers everything from biology to cosmology, from the whole universe,
you know, astrophysics to zoology.
Everything is contained in physics.
And, you know, I feel just particularly lucky to be on the cutting edge,
at least in the cosmology realm when it comes to the Simon's Observatory.
My colleagues are so insanely smart and energetic.
And we built an observatory from scratch.
I mean, there's nothing up there.
It was bare rocks.
In 2019, July 2019, went up there with Jim Simons, Marilyn Simons, David Spurgle.
And we broke ground on the observatory.
And, you know, last year we got, you know, the first photons coming in the front end
of one of the telescopes, so four years.
And that required tremendous amount, you know, paving over the top of the mountain,
building diesel fuel power generators, getting a diesel fuel up there, and getting tens of
thousands of detectors that were operated at 0.1 Kelvin to actually start operating.
It's really incredible engineering.
And then that's just to get to the point where we get data and, you know, get the time order
data into the disk drive.
and then actually analyzing a terabyte of data, you know, every couple of weeks, and then processing those to actually get to cosmological parameters and solve these really grand questions like the age of the universe, the composition, the fate of the universe, the origin of the universe, physical processes like Lorenton variants I'm super interested in.
You'll be hearing more about properties in neutrinos, dark matter.
it's just going to be, you know, it's the experiment of a lifetime. So I am just, you know,
kind of having to wrestle with what am I going to do when this is over? I mean, it's going to be
over. It's going to be working for 10 years. I mean, we have 10 years of observations planned with
it. Now, upgrades to it have already been funded by the NSF. Here in America, the United Kingdom,
Japan. We have other people interested from around the world as well to upgrade.
And we're going to be observing and eventually combining with collaboration called CNB Stage 4,
eventually, hopefully in the early 2030s.
You know, so I'll be in my 60s then.
And, you know, just so many brilliant students getting their degrees and professors and postdocs
and just this flood avalanche of just the most groundbreaking research that I could ever hope.
I'm so beyond my wildest dreams.
I'm so lucky.
And it's really a joy.
And I'm going to take you guys on a ride with me because you guys, although the projects, you know, entirely for now is entirely privately funded.
As I said, the National Science Foundation is funding the upgrade, coming in the advance Simon's observatory, doubling the number of detectors in the next five years.
You know, so that's supported.
But I always feel this moral obligation that you guys, you know, allow me to do what I do and give me this outlet and share this, you know, channel.
and everything that I try to bring to you, and I want to give back and answer your questions,
and give you the information that you crave and that you're entitled to. So, you know,
it's my small way to pay things back. Okay. Next one, Sam Sina, 3942.
Awesome job, Dr. Keating, you deserve it. I do have a question which I ask many times
was not fortunate enough to get selected, so I try it. If the universe had a beginning,
how can it be infinite, assuming it's flat? Wow, that's a really good question. So the
The answer is that if it had a beginning, the ability for information to traverse the universe
or size in the universe is finite.
So, for example, we believe that the universe is flat, spatially flat, but you can have
something that's spatially flat, and it's not necessarily infinite.
And because the universe had this origination moment, we believe, if the Big Bang is correct,
although we should test that hypothesis.
It certainly has a radius that we can ascribe to it.
And in the case of the Big Bang model, that radius is roughly three times the age of the universe
times the speed of light.
It's roughly 46 billion light years in radius.
We don't know that it's not infinite, is the answer to your question.
So it could be that our universe is sort of this volume, which is spatially flat, inside of a vast,
much vast or perhaps infinite set of four-dimensional points in, you know, which you could call
the entire cosmos or you could call that the multiverse. And there could be other universes in
different locations which have different properties that, for example, aren't flat. That's
completely in the realm of possibility. So it is possible to have a compact universe that is
expanding. But if it had a beginning, it doesn't mean that what we say is our observable universe
is finite, so it's not infinite. So the region, the volume of our universe is at least 46 billion
years in radius, and then imagine a spherical region of three-dimensional space with that radius,
so the diameter being, as I said, twice that distance. And the geometry could be flat within that
region, assuming it has what's called the critical density, which all indications seem to point
to that our universe has a critical density, meaning that it is spatial.
flat. Any three, any triangles you make in the universe, not are if those points are stars,
planets, galaxies, or patches of the cosmic microbe background radiation, all of those triangles
have an interior set of angles that sum to 180 degrees. And that's the definition of flatness.
So yes, we do have a flat universe. We don't know if it's infinite. It may be finite. This may be
all there is. And there may be nothing beyond, if you like, that region of the universe. But there's
nothing that prevents it from being infinite and just inaccessible to us because there hasn't
been enough time for light traversing at the highest possible speed to reach our telescopes and
detectors and indicate that the universe is, in fact, beyond the visible radius that we see.
So that's a great question.
Okay. George Dubin, 6288.
With your YouTube success, would you call yourself a pop science scientist?
Do you think that's necessarily a negative term?
Do you think it should be a negative term?
I love the podcast, cheers from San Diego.
Thank you so much.
I don't know if I'm a pop science scientist.
I do like communicating to the public, the populace.
I do enjoy it.
It's a skill I didn't know I had and something I'm working on,
trying to improve upon with coaching and studying, you know,
great master communicators from the past, like great Carl Sagan and current ones,
like communicators like Joe Rogan and Lex Friedman,
they're great at kind of popularizing stuff.
Now, where I'm different from people,
there aren't very many actual scientists.
Neil deGrasse Tyson is no longer doing science.
He had a very, very short, brief research career,
and then, you know, pivoted and went into, you know,
directing the Rose Planetarium and Hayden Planetarium
and writing books and so he wouldn't call himself a scientist.
Brian Cox is a professor.
My knowledge hasn't written an extensive uvra of papers, and he does primarily seem to occupy himself with popularization and outreach and books and speaking tours and stuff like that.
I don't think it's a negative thing.
I kind of see it conversely, it should be encouraged that, you know, my hobby horse is that more scientists should be doing this because we get paid by the public.
Brian Cox works in a, you know, lives in a socialist.
No, he's not socialist.
He lives in a, you know, a country is, you know, completely supported by there's no, like, private funding for experiments or, you know, observations over there.
So, yeah, he's a public servant.
I'm a public servant.
You know, I teach at the public university of the state of California.
So I do believe that everybody should spend some time learning the skills to communicate to the public, not with a goal of making it their primary career like Tyson or even.
in their side hustle like me, but simply developing the muscles and the skill set needed
to enthuse the general public that does support us so that they'll continue to get a sense
that they are getting a return on their investment.
During the 60s and 70s when people are landing on the moon, it wasn't clear that every day
life was getting better or you're getting better education, but there was a source of prime
for people going to the moon.
Now it's private industry.
SpaceX.
They're getting paid tons of money.
You know, Elon's a richest guy in the world.
But that doesn't mean that, you know, people are getting a tangible benefit from it, even
though they might have pride or interest in it.
So for me, it's like you should really do as much as we can to engage the public.
And by doing that, that does kind of enhance my appreciation for what I do.
And it really does inculcate the sense of gratitude that I'm going to be, you know, continuing
to support you in this mission, which you guys provide support to me by asking these great questions
and just showing the enthusiasm and sharing and everything that you guys get to do.
So for me, it's not a negative term.
It shouldn't be a negative term.
Even if that's all you do, like Tyson, I don't think it's bad, you know, what he does.
I'm not going to give him grief.
I don't agree with all of his positions.
And, you know, I've been on the show.
He's been on my show.
But, you know, I feel pride in that there aren't many, like, real honest to goodness professors that are also doing podcasts.
You know, Sean Carroll recently became a professor, you know, for the second time.
Now he's at Johns Hopkins.
His Minescape podcast is, you know, is pure communication and popularization.
He has great guests and great conversations.
So he does it.
He's a real professor.
Andrew Huberman's a real professor.
He's a real scientist.
He's in that, by definition, I mean, doing research, publishing papers, advising students, you know, interacting with faculty meetings, serving on committees.
You know, I just came from a, we had a committee to give honors and awards to other professors, students, and postdocs.
Or we have a graduate admissions committee meeting this week.
These are all things, you know, service jobs that real professors do that, you know, someone like Neil DeGrasseye is not going to do that.
there's nothing for him to do. But, you know, if he can bring in, you know, a million people per year into the Hayden Planetarium, that's phenomenal. So, and I don't begrudge people that don't do it. I just think they're missing out. And you have to ask, you know, when people are not doing stuff, is it because it's too hard? Like normally I've had this debate with Sabina. And, you know, she said, oh, no, scientists should just do science. And if you want to communicate, you can communicate. Because it's not their skill set. It's not easy for that. Well, this isn't easy for me. I had to learn. I've been stuck.
this for the last few years. I'm not that great at it. But I'm better than somebody who's
even better than me who never does it. So, you know, for me, I'm in the arena. I'm trying to do it.
I'm not perfect. I'm trying to improve. Super fun. And I enjoy it. And so I think people putting
that together, it's like if you said, well, I don't do quantum field theory because it's too
hard. Well, what if you're, you know, what if that's your, that is your job? I mean, just because
something's hard and it's not in your natural skill set, you shouldn't do it. Like I told you,
I exercise, but I don't like exercising half the time. You know, some sports I like. I like to go
skiing. I like to go surfing. But other than that, I'm like just running around a track. I mean,
I don't like that. I know there's psychopaths that do like that. Ryan Holiday or somebody like that.
But I don't like it. So, you know, so not doing something because it's hard. That seems to me
like to be a tremendous cop out.
Now, they push back and say, I shouldn't say it's a moral obligation.
It's kind of tongue and cheek.
I'm not going to damn you to eternal damnation if you don't do it.
But it may benefit you.
Communication, outreach, conversation, engagement.
Talking to a camera is a very different skill than giving a lecture to a bunch of undergraduates.
They're both amazing, and they both take a lot of work to be good.
Okay, Dr. Teddy Wilding says,
well met or chap. Thank you. Governor. Okay, this guy can't pronounce his name. What,
I'm like a F word. I'll say, what the F word? Honestly, I haven't learned anything from you.
You've ever said on any podcast, but I do feel you have some important role to play in all this
unfolding. I hope you make the right choices defined by yourself and that deep truth of yourself
that hope you learn to commune with. We will see the fundamental shift of human authority back
from those exercising distant authority.
Because the future may fall to you, then you know.
Many of the gods' most critical servants were humble.
The frailty of the servant exalts the name by which they conquer.
Wow.
I wish I could pronounce your name legally on the line.
And it goes on to ramble about some other stuff about mortal beings
and keep yourself also humble so it may be useful as a servant.
Humility is a constant theme.
I do think about it.
I know Moses, who is the humblest man who ever lived, which he wrote himself in the Torah, supposedly.
So, you know, we can always be more humble.
But in science, you have to have a little bit of swagger as well.
You can't only be humble.
You can't only think of yourself as less than or unworthy.
You must also have a little bit of swagger.
In order to accomplish great things, you have to dare greatly.
You have to have a little bit of chutzpah.
And those are necessary ingredients.
It's humility mixed with a little bit of nerve on the two kind of secret ingredients to get just the right proportions.
It's always a challenge, but it's one I'm going to continue trying to meet.
Okay, the memes of destruction, long time friend.
Congratulations.
Thank you, my friend.
Pete from De Woods.
It says, must be doing something right.
Keep it up.
Thank you so much.
Okay.
Chris Tinley, 5213 says, can you have Eric Weinstein back on to talk more about his theory?
I think it's really interesting.
It's hard for me to understand.
I like that law.
He's brilliant, and maybe he could try explaining it also geometric symmetry, I think.
Please, excuse my spelling.
I'm a think you're not a writer.
Love what you do.
I'll also see the Newton doll, please.
A Newton doll is, he's on sabbatical right now.
I don't know where he is.
So, Eric and I talk a lot.
I talked to him recently after the New Year.
You know, he's been in an interesting phase of his life,
kind of withdrawn a lot from a public scene.
You have noticed he's not really been available on Twitter.
He's kind of withdrawn from that.
He told me he's experienced, you know, just tremendous hostility, pain, frustration, not personally, but just kind of the world collapsing and people just showing their worst sides.
And I agree.
I've seen some horrible things both in the online space, but also even on person on campus.
having people, you know, celebrate the martyrs of Hamas on October 8th on this very campus
and really just, just completely upending my view of what a university was.
And I think Eric also has been traumatized in some sense by all the events we saw, you know,
his three academic institutions at Harvard, MIT, and Penn.
and the presidents and their awful abhorrent behavior in front of Congress.
And I've been talking with a congressman as a friend of mine, Kevin Kylie.
I've known for a while now, a big supporter, great, brilliant young guy who's got a huge,
incredibly brilliant future ahead of him in Congress and maybe even beyond.
And, you know, Kevin and I've been talking about ways that we can improve higher education.
And one of those ways is really to democratize and make it cheaper, make more.
students get accepted, have school go, you know, full 12 months a year. Why do I need three months
off every summer? I love what I'm doing. I do it for free. And we can have, you know, have
30, you know, 25, 30 percent more students on campus if we just did it all year round. And
imagine the different community. We turn away whole graduating classes every year. And we already
have a huge campus, but this is just one campus of the thousand top universities in the world
in America. Why is it that all of them shut down like my kids' elementary school in the summer?
It doesn't make any sense. So Eric's been, you know, justifiably a disillusion. We have had
plans to get together. He wants to do the next podcast in person, and so do I. So it's just coordinating
our schedules. We're going to do it. We're going to done soon. Again, to talk more about
geometric unity. He's had some new ideas about it, new thoughts about it, and some excitement
and maybe connecting it cosmologically. I'm always trying to figure out ways to make
predictions that are observable in the cosmological field that I have access to rather than, you
know, purely high-energy particle physics or string theory predictions. I have no special
inclination or ability to test. So it'll happen, and hopefully it'll be in person. And I'm trying
do more in-person interviews.
He did one of Craig Venter in December.
That was just one of my favorite episodes.
Didn't get that many views.
I'm kind of surprised because he said some stuff on that podcast.
Very critical of Anthony Fauci and Francis Collins, who is his rival on the Human Genome
Project that he just utterly obliterated back in the early 2000s.
He's just a bold outspoken genius.
A real Maverick has a sailboat, goes around the world.
is multi-millionaires, founded multiple companies.
And he's just so, he's just so funny and bold and such a great scientist.
I mean, I just learned so much from him.
And, yeah, I just want you guys to show the love, you know, always leave a comment on the videos.
But yeah, share them because the more people that see, you know, kind of, that's a once-in-a-lifetime interview.
I, you know, I don't know how many podcasts he's ever done.
I think it was his first.
and he's just, you know, a unique individual.
And same with Stephen Wolfer.
I got him to, I stumped him.
One of my questions kind of, he was said he had to go and think about it.
And this is a guy who said he finally understands quantum mechanics.
I think Richard Feynman, his former tutor and teacher would be quite impressed and maybe shocked to hear him say that.
So, yeah, look for an interview with Eric coming soon.
Don't know when, but it'll happen.
Okay.
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To hold any opinions, H.R. Brown 29 asked our understandings now that you didn't before you start YouTube.
And if so, what are your thoughts on how working exposure in different spaces influences people's growths and worldview?
That's a great question. As I said, this is a very different track than being a professor.
And being a professor isn't, there's not just one skill professor. And similar, there's not just one skill of being a podcaster and doing interviews.
Or making solo videos. I make a lot of solo videos. I've had,
you know, slowed those down just because I've gotten so many opportunities to talk to these
amazing guests, you know, Brian Green, Stephen Wolfram, Sam Harris coming soon, MogaDot,
Verviki, all these incredible people. And so I haven't had time just to go into the studio
and record, but I will. I'll do some more solo videos. I really enjoy those. Those are fun.
And I'd love to give you sneak peeks into research and what it's like to be an experimental
physicist. Unlike, you know, Brian Green or, you know, Brian Cox or, you know, the Grass Tyson,
and whatever, I do experiments, and that's a very different skill set.
So, yeah, I've learned a lot from talking to people and kind of being a better,
trying to improve as an interviewer.
I have a tendency for the first three years.
I've tried to improve it, you know, meandering questions and trying to be too focused on what my guest
thought of me.
And perhaps I was trying to impress them or, you know, and it came off as me dropping names.
But in reality, when you meet somebody on a podcast, something I didn't appreciate, maybe you don't appreciate it.
A lot of these people like, you know, when I talk to Sam Harris, I've never met him in person.
And he doesn't know anything about me.
And so there's a huge asymmetry of information.
I don't expect them to do, like, read my three books.
No, he's a guest on my podcast.
And many people have been, you know, done many, many podcasts.
And so when I would say, well, I talked to, you know, Donald Hoffman when I'm having a conversation with Robert
Sapolsky about free will and consciousness or Sam Harris, you know, I'm not doing it to drop names
of how important I am. I mean, they wouldn't have agreed to come on the show if they didn't
think I had some value or importance. So, yeah, they wouldn't have come on. So I'm not trying
to necessarily impress them, but just to say, here are the bona fides that I have. I'm not coming
to this like a newbie. I've done my research. I've talked to other people. I'm hoping that you,
Sam, Sapolsky, whoever, will give me some insight into an effect or theory or idea that
I didn't understand from the previous guest.
You know, I've continually said that I have great difficulty talking to people, you know,
talk about consciousness because it's so squishy, ill-defined and they seem to not even be able
to define, you know, in these terms like consciousness and so forth.
I mean, I had the foremost, you know, progenitor of the idea of consciousness, the heart problem,
you know, David Chalmers.
And I didn't come away feeling like, wow, now I finally get it.
So I had a tendency to really kind of meander and ask, you know, rambling questions in a sense, always in, you know, trying to have it in good faith.
And I'm trying to do more pushback.
And you'll see when the interview with Sapolsky comes out, if it's not out already, I push back on him.
I don't agree in his sense that there is no free will.
I approached it from an experimental physics perspective rather than just, you know, like I feel like a lot of the interviews with him are.
people that already bought, you know, what he's selling and I didn't. And so I was respectful.
That's the key. You can't, I can't talk to somebody, even if I vehemently in some cases
dislike them. Noam Chomsky is not one of my, you know, I wouldn't want him to watch my,
you know, my kid. I have a lot of respect for him scientifically and a lot of disrespect and
concern for him as a political thinker, as a, you know, as sort of a pundit. And I think he's
had some really abhorrent views, especially around COVID and even in our own politics and
and certainly around Israel. So now, if I went off on him, you know, that's going to be the end
of my, you know, podcast and career. And I don't think that's a good way to go about it. Now,
I'm not like Lex Friedman. I'm not going to just like everything is love and just, you know,
I'm only going to ask softball questions. And I'm not saying Lex only asked softball questions,
but his prime directive is to increase love in the universe.
That's his mission.
My primary directive is to spread wonder, knowledge, and curiosity to the world.
So it's a little bit different.
We might overlap, and I've learned a lot from Lex and being a guest on a show.
But it's very different.
It's a different vibe that he's trying to construct.
And I don't really know too many people that are pushing back.
And I think that it's kind of a form of what's,
they call benign bigotry of low expectation.
Like, if I push back on Sam Harris, is he going to not like me?
And so what if he doesn't like me?
Is he going to be my best friend?
No, I mean, that's not really my goal.
My goal is to ask questions that you guys want me to ask.
And if I'm pulling punches, you know, because I'm talking to, you know, Sam Harris,
you know, am I going to talk to him about Hunter Biden's laptop?
I mean, that's not like something where an experimental astrophysicist has a specific area of
expertise. So I think the worldview of talking to people, treating them like they're your friends,
is dangerous, but it's an easy trap to fall into. Similarly, just doing what your audience wants
you to do. Like, if I had my way, I did a survey, you know, last year and, you know, asked,
what do you guys want to hear about? And I was afraid it would be like, oh, aliens and get David
Grush on and get this guy and talk, you know, Smackdown, Mick West. And, and I even got
criticized by a certain podcaster, his name I'm going to mention because he's kind of gone off the deep end.
But, you know, oh, well, you won't come on my show and you just don't want to talk to somebody who really
knows the truth about anything. It's just truly preposterous. There's no evidence that they have
any scientific bona fides. And then he was, like, lying about, you know, that he got me my first
thousand viewers, even though I met him in 2021, two years, a year after I started the podcast when I had
25,000 subscribers and now I've got twice as many as he has. So, you know, just like there's just so
much passion about like UFOs and, and I'm pretty, you know, I haven't seen any evidence for
the existence of extraterrestrial life, let alone extraterrestrial intelligence, let alone
intelligence visiting the earth. Now, that may disappoint you because that's what you believe
that and you believe there's conspiracy, the cover it up and the government's somehow miraculously
been able to obscure this, you know, conspiracy for the last 80 years. And you know,
yet they can't keep the most basic facts about, you know, other types of conspiracies hidden
for more than a couple of days and, you know, all the different scandals of every single
presidential administration.
And even conspiracies that didn't happen, you know, a Russia hoax in this thing or the, you know,
the fast and the furious under Obama or, you know, whatever, Biden and Burisma, let's say, that
did or did.
You know, they're so inept, in one hand, the government, but they're so, they're the
most prolific. I mean, they put to shame, you know, the Chinese Communist Party, you know,
in terms of suppressing information, our government, because they've been able to cover up the
biggest news story in the history of the planet and for what purpose. So anyway, you have to be
careful as a podcaster. And I've learned that because it's very tempting. I've seen people,
my friend, you know, Kurt Jiamengal, he's done so much content in the alien space. And, you know,
and he's probably better than anybody about it. And, you know, obviously Lex has done a lot of these
podcast and I have to and I'm just not that interested in it until I see you know significant evidence and then
I'll be probably one of the most interested people on the earth but I hasn't risen to that level yet now
I'll still talk to people like Avi Loeb and Gary Nolan and and Eric you know is very interested in this
he's also become obviously disillusioned and and claim that you know this is almost complete nonsense as far as
you can tell interdimensional beings and and biologics from non-human entities and and he's talked to he knows
grush personally. They talk on the phone all the time. And he doesn't believe a word of it. So I don't
think that this is, you know, a direction that would be fruitful for me to continue going down to
and investing. And even though I know I can get tons and tons of views and subscribers and whatnot,
it's just not worth it to me. It's called audience capture. And I refuse to do it because, again,
I'm not doing this for my living. You know, if I had to make a living off of you, Kurt or Lex or,
you know, Joe, you know, they make their living off of it. I get paid.
decent amount for being a professor and I love doing what I'm doing and that's my job. And this
will always be my hobby. And the worst thing you could do for the love of your hobby is to try to
monetize. So, and the easiest way to monetize it would be to just do whatever you guys want me to do.
I'm not going to do it. I'm going to ask questions. I think you guys want me to ask questions.
I'm going to get guests that I think you guys want me to speak to. But I'm not going to pander
and say, so this has been a revelatory thing that H.R. Brown is asking about. And I'm a
appreciate the question. Okay, Miller Joe 4582 says it's almost irritating. It's not two million
considering the importance and topics you bring to the table. Well, you guys can keep
me growing. You know, just as I said, do me a favor right now. Just take your, go to the
little arrow, which is the share arrow somewhere down here, and click on it and copy the link.
And then whatever browser you're using, you probably have another browser on your phone or
your computer and just paste it into that browser and that'll count as a share and then like it on
that, you know, account or whatever and then send it to your, to your brother, to your friend,
to your kid.
The more people that subscribe, I mean, only like 20% of you watching or even subscribe.
And I get it.
It's, you know, I'm lazy too.
Like I said, I watch a, you know, I'm on a bunch of podcasts and I just get lazy and I don't
subscribe to the channel.
We'll just do it.
And the faster we can grow and, you know, the faster it's a, it's a, it's a, it's a
truly positive feedback loop. So the more that you guys can help in the process, the better.
Okay, Daly Steven 7855 says, I'm interested in hearing more discussions on the energy front,
sustainability. Where are we heading? What's viable for us? Electric fuels versus fossil fuels,
battery industry, nuclear, green energy. Great question. I plan on doing more of that.
I've had on people like Steve Kuhnan. I had on Tim Palmer, who was recipient of the Nobel Prize in 2006.
And I had on David Friedberg from the All In podcast. So yeah, what can we do in,
terms of new technology. I'm a huge proponent of nuclear energy. We have six nuclear reactors,
10 miles from campus, you know, in the San Diego Bay, and the different aircraft carriers, submarines,
and so forth that we have in the port. Totally safe. Never had a problem. No reason we couldn't
hook all those up to, you know, the power grid. San Diego is pretty blessed with sunshine and wind power
and everything. The desert, not in Mojave Desert, not far from here. I'd like to see every flower
Bloom, nuclear, green energy, wind, solar, battery technology. These are just fascinating things.
Power generation in space. And then, of course, on the efficiency frontier of reducing losses,
superconducting technology, low-cost energy, which also involves cool things like literally cool things
like cryogenics and vacuum technology. This is a wave of the future. And if we're not careful, we'll fall
behind. We've already not had a new, more than one nuclear reactor built per year longer
than since nuclear power was invented. In other words, we only had one come online the last
couple of years in America where other countries are coming online, and then there are other
countries that are decommissioning like Germany and Japan. Fascinating question. I do plan
in doing that and look for new discussions on fusion energy, laser power or laser ignition
facility and maybe some stuff on, you know, in person. We're actually building a large
photovoltaic array power generation and battery for the Simon's Observatory, this NSF grant
that we got, Mark Devalin at UPenn, my partner in crime. He is the PI of the advancement proposal,
and that's going to provide, you know, megawatts of power capability to make us the first
green observatory in the world, you know, on the Earth's surface of every single space telescope is.
is green energy powered.
But no, we're going to have actual replacement for a large amount of diesel fuel
that would otherwise be up in smoke.
Okay. Emily Hollins 53 says, I enjoy this channel.
Appreciate your hard work.
Thank you, Emily.
We have a lot of women that listen to the channel.
I love it.
More and more spread the love.
I also get comments from my female colleagues.
Why don't you have more women on?
I've had more women on as far as I can tell than any podcaster, including Lex and Joe.
But I can always do more, and I love doing it.
And so, yeah, if you have suggestions for great scientists, send them my way.
We do have some.
I've had interviews with some great women that are in the recording and editing process.
But please, send me more.
Great scientists.
I love to promote them, especially when they have books and things I can promote
and help them promote themselves.
How do you think of the expansion rate of the universe?
Ask Will Francis, in terms of raw speed.
I often hear 70 kilometers per megaparsec.
So it's 70 kilometers per second per megaparsec.
And that's the so-called Hubble constant.
So what the Hubble constant says is that if you go out a sufficient distance such that a galaxy
that we observe a star within which that galaxy is not being gravitationally attracted
to the Milky Way galaxy, as say the Andromeda galaxy is, the galaxy is beyond about 100
mega parsecs away from the Milky Way galaxy are within what is called the Hubble flow,
meaning that they are all expanding. There are no galaxies beyond that distance that are being
attracted, say, to the Milky Way, or the Virgo Group or a local supercluster, Lanaka, or whatever.
So instead, those galaxies are participating in the expansion of the universe,
which is pretty much the most important number in all of cosmology is the Hubble constant,
because the reciprocal of it is related to the age of the universe,
and its value is directly related to aspects of its composition,
including the amount of dark energy and dark matter.
So that means if you looked at a galaxy that's over 100 megaparsec,
which is 100 times a million times a parsec, which is 3.24 light years,
you will see that galaxy and every other galaxy at that exact distance,
moving at a velocity of 70 kilometers per second per megaparsec, meaning that that galaxy,
so it's 100 megaparsecs away, so it's going to be moving at 7,000 kilometers per second.
And the Hubble tension is the difference between the value measured by the cosmic macro rate
background, which measures a lower value like 68 kilometers per second per megaparsec, and the
optical telescope measurements
by Adam Reese and other people
Space Telescope, Wendy Friedman, that measure
something like 72. And each one has
a very small error bar, so 68 plus or
minus a percent, and 72
plus or minus percent. So those two values
differ at the 9 percent level.
And each one believes
that they're right at the 1 percent level.
So that's the so-called Hubble Tension, and
experiments like the Simon's Observatory
and the Vera Rubin Observatory and other
observatories that are coming online will hopefully
help to answer that. Night, 35,
481 says, we're here because Michi Okaku and Eric Weinstein are out of control.
All right.
Fair enough.
Thomas Corbett says, I'm a very nice man.
Thank you, Thomas.
Redshift quantization say Redshift is not a discount.
So what is redshift?
Why redshift quantization is a topic rejected by vast astrophysic community?
So Redshift quantization was a proposal in the 50s and 60s that people like Halt and Arp,
who was a great astronomer, claimed that they saw.
that red shifts were only coming in certain increments
so that there was not a continuous spectrum, if you will, of the red shift.
Now remember, the red shift is the amount of shift of the wavelength,
either to the long wavelength,
i.e. the red end of the electromagnetic specter,
or if it's coming towards you into the blue portion,
that'll be a blue shift.
And one of the reasons is that we only see,
beyond this 100 megaparsec distance where the Hubble flow is set to begin,
we only see redshift.
We never see a quantization where there's a decarment in the redshift such that it's a blue shift.
So if this process were a valid process, you'd expect to see equal amounts of redshift and blue shift,
then we only tend to see redshifted objects beyond, as I say, the gravitational influence radius of the Milky Way galaxy or of our clusters.
So it's really, there is no real evidence for quantization of redshift.
There's no plausible model that would explain it, why it would be quantized.
These aren't photons.
These are photons from the galaxies, but now the claim was that these galaxies were actually,
their actual redshift, their location in space was actually quantized
and that you shouldn't find objects in certain regions.
That could have been because of systematic errors or bias in the survey
and not our ability to actually determine them was the limitation,
rather than a true physical phenomenon where the red shifts were coming in chunks.
it dealt the redshift of point one.
We actually see a pure continual.
We don't see any evidence for quantization of redship.
Okay, last question.
That's a good one.
Edward Wainer says,
is there a guest you really wanted to interview
but would not let you interview them?
Yes, there are many, many people who won't let me interview them,
ranging from Ed Witten, who declined to be interviewed.
There are people who said they would let me,
they would come on the podcast like Scott Galloway.
I received an introduction to, said he would do it.
sent him five emails never replied to me which I told them as a very low-class thing to do for
you know somebody who especially uh being a graduate alumni of the university of california to not
come on i'm a you know host of the biggest podcast the oldest podcast in the university of california
you know network although as i said the university doesn't support me at all but they do tolerate me
i appreciate that so for scott not as a just as a alum of berkeley and uh UCLA to not come on
to blow off this introduction was kind of unfortunate, especially since I think there are a lot of
people that would benefit and enjoy hearing from him. But you got to reply. There's no way to do it
unless you reply. So Witten is one. Nima Akani Hamad agreed to come on three years ago now.
And he was really gung-ho. He's very gentlemanly said he would come on. And in the last two years,
I haven't heard anything from them.
So I'm not going to bug him.
I'll get around.
I'll see him.
We'll do it in person.
Maybe I'll host a conference or something and I'll ambush him there.
Peter Thiel has agreed to come on.
I just have to make it happen.
He's a very interesting person to talk to, no matter what you think of him politically.
I'm not super interested in politics per se, as I've talked about.
I would like to talk to.
you know, I had Joe Rogan on.
Sorry, I didn't have my, I was on his show.
And I'd like to do something with him.
I'd like to do something with Jordan Peterson.
I've been on their podcast, Lex Friedman, and turn it around.
I think the one, you know, that'll probably happen, hopefully this year's Andrew
Huberman, not from the perspective of like, well, talk to me about, you know, light exposure
and cold plunges.
You know, he's talked about that ad nauseum.
And so what I think people like when I talk to them is as a physicist, they love to nerd out.
There's so many closet nerds, science fiction nerds, astrophysics nerd, everybody loves asthm.
There's no one to say, oh, you're an astronomer.
Oh, okay, can you please pass the cream cheese?
People are interested in it.
It's a fascinating field.
I get to do it, you know, on the cutting edge of what I do.
I'm blessed to have a research group that's second to none.
And to do, you know, cutting edge publications and top journals.
So I love doing it.
And so what I'd love to do is talk to these people about something they've never talked about.
When Andrew Huberman has not talked about, you know, kind of the effects of the electromagnetic spectrum or polarization of light or how, you know, diurnal and circadian rhythms are intimately related to the fabric of our planet and what those have to do.
and actually the biological implications of the planetary limitations of our home planet.
So these are all incredible topics.
He's invited me on his podcast.
But communicating with Andrew Huberman is like what I believe will be like when we first hear from an alien civilization.
That's, you know, kind of more than 10 light years away from us.
And that, you know, we text each other and then, like, I hear from them.
And then the next text, I'll send them right back.
I'm like an eager beaver, right?
Except they'll come on the Heberman Lab podcast
and then like three months later,
we'll get another text,
you know, we're setting it up,
I'll wait for my producer.
So it'll happen.
And when it does,
I'll let you guys know.
And you guys will submit some questions
for Dr. Andrew Heberman
or for Joe Rogan or whoever.
And, you know,
tell me I got a great list of suggestions.
And you could always send me suggestions
at bryankeen.com.
I got about 50 different suggestions
from you guys for
either returning guest or new guests, and some of them are great. Some of them are, you know,
actual guests coming on the podcast. So look for that. I just want to thank you guys. I'll see you
at 250K and hopefully beyond it. Like I said, I really want to grow it so you guys can do your part.
It's totally free. Subscribe. Send your friends. Watch it on multiple channels, multiple browsers.
Do what you can't. And I just love it. And I love that you guys give me this opportunity.
Look for more walking talks, look for some Q&As.
I just love doing it.
And I have a blast doing it and being with you guys.
Thank you all from the bottom of my heart.
200K.
Never thought it would be here.
But now once you get there, you get the hedonic treadmill.
And now I'm like, maybe 250, maybe $2 million as one of you guys said.
So thank you all so much.
Take care.
Stay tuned.
This is only the beginning.
Bye.
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