What Happens Inside a Proton? 

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If we ever want to simulate a universe, we should probably learn to simulate even a single atomic nucleus. But it’s taken some of the most incredible ingenuity of the past half-century to figure out how that out. All so that today I can teach you how to simulate a very very small universe.
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Hosted by Matt O'Dowd
Written by Euan McLean & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Pedro Osinski, Adriano Leal & Stephanie Faria
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Director of Programming (PBS): Gabrielle Ewing
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End Credits Music by J.R.S. Schattenberg: / multidroideka
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Publicado em


2 Ago 2022



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@RichardHolmesSyr Anos atrás
I retired a few years ago from a career in experimental particle and nuclear physics... and now I'm watching these videos and getting insights that had eluded me all those years. Thanks!
@imsleepy620 Anos atrás
I was so blown away by looking at that linear regression technique to 0 pixel spacing. Literally haven't felt this amazed in a few years. So simple yet so beautiful.
@uchepowers Anos atrás
I am not anything close to a scientist, but I enjoy hearing things like this...
@i_booba Anos atrás
I'm so happy you addressed my comment in the last episode! I've been watching this channel for a few months now and have been very impressed with the content and the Q&A segments at the end of each episode. You're making physics as a whole a tangible thing to understand for a very wide audience, and I hope it goes without saying this is a very difficult thing to do. Thanks for all that you do, and I sincerely look forward to new episodes each and every week.
The fact that this quality of information is available to anybody for free is the biggest miracle of the universe.
@mishie618 Anos atrás
Out of all of the topics Matt has taught on here... this has to be one of the most mind blowing .. 🤯 it's unbelievable how any human minds have ever found ways to simulate these tricks as he called them. Lattice QCD... Unreal. It's amazing he's explained this in an understandable way for those of us who have no background in physics at all.
@InvaderX32 Anos atrás
I'm so excited to see the channel starting to slowly dip into the world of Quantum Chromodynamics. It's always seemed fascinating to me that there is a whole other level of particles and interactions going on inside the atomic nucleus, but trying to read about it on my own has always been daunting.
I absolutely love this channel and have been watching and learning for a few years now, but after all this time, I have to wonder... Will Matt ever come back to earth? I mean, space is amazing but man.
@Big2theBird Anos atrás
I haven't touched anywhere near this subject in years, but you do a fantastic job making modern ideas accessible to us all. Love it!
@betsjy-mcfall Anos atrás
I’ve been watching your content for over a year now. My background is in pure mathematics and you are seriously convincing me to start studying physics .
@Numba003 Anos atrás
I'm looking forward to the upcoming QCD episode(s)! This one was fascinating. It's astounding how clever dedicated mathematicians and physicists can be.
@1HourBule Anos atrás
Love the way this man breaks complex things down. I would’ve love to have him as my Physics instructors
@wgodfrey088 Anos atrás
I recently found this channel. It's absolutely brilliant. My background is in astrophysics and you definitely explain some of these concepts to the public far better than a lot of lecturers I had in the past.
I love the fact that there is a program that goes somewhat in-depth in physics. It is a rare find in my experience.
@ScienceAsylum Anos atrás
The graph at
@crayvun2196 Anos atrás
This episode is so amazingly cool, and surely one of the most complicated ones. Thanks as always, it's been an incredible journey watching you all these years.
I find it so amazing for some reason that all this amazingly complex beautiful physics ends with basically extending out a graph line till it intersects the axis...and thats like, it
I am so happy this channel is starting to cover some QCD! It is one of the mist interesting areas of physics to me :)
@stephenmanis5258 Anos atrás
Kudos to the whole PBS Space Time team. It's information like this that keeps me coming back for more. I'm raising my 9 and 12 year old kids on your videos and despite most episodes being advanced for kids this age, it's sparked some great conversations with them about Quantum Mechanics and the nature of our reality.
@johnb8940 Anos atrás
I feel like everything in quantum physics is built on, "This is how it works, except its not how it works."
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