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The Equation That Explains (Nearly) Everything!

2022-10-19 Education
1.5m
39.2k
2.1k
PBS Space Time
PBS Space Time
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Check Out Rogue History On PBS Origins: https://youtu.be/xuT35ud41QQ PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime The Standard Model of particle physics is arguably the most successful theory in the history of physics. It predicts the results of experiments with a numerical precision unmatched by any other branch of science, and it does so almost unfailingly. The theory is encapsulated in a single equation known as the Standard Model Lagrangian. Today we’re going to explain to you how it works! Want to Dive Deeper into the Standard Model Lagrangian? Check out: https://www.youtube.com/watch?v=kixAljyfdqU&list=PLsPUh22kYmNBgF_VMMLHFK0lbQGlVGk3v&ab_channel=PBSSpaceTime Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/spacetime Search the Entire Space Time Library Here: https://search.pbsspacetime.com/ Hosted by Matt O'Dowd Written by Fernando Franco Felix & Matt O'Dowd Post Production by Leonardo Scholzer, Yago Ballarini, Pedro Osinski, Caique Oliveira, Adriano Leal & Stephanie Faria Directed by Andrew Kornhaber Associate Producer: Bahar Gholipour Executive Producers: Eric Brown & Andrew Kornhaber Executive in Charge for PBS: Maribel Lopez Director of Programming for PBS: Gabrielle Ewing Assistant Director of Programming for PBS: John Campbell Spacetime is produced by Kornhaber Brown for PBS Digital Studios. This program is produced by Kornhaber Brown, which is solely responsible for its content. © 2022 PBS. All rights reserved. End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka Special Thanks to Our Patreon Supporters Big Bang Sponsors Ankur Anand Ryan Salsamendi Steffen Bendel Gautam Shine NullBlox.ZachryWilsn Adam Hillier Bryce Fort Peter Barrett David Neumann Charlie Leo Koguan Alexander Tamas Morgan Hough Amy Hickman Juan Benet Vinnie Falco Fabrice Eap Mark Rosenthal David Nicklas Quasar Sponsors Vivaan Vaka Glenn Sugden Sujasha Gupta Vaka Vikram Vaka Alex Kern Ethan Cohen Stephen Wilcox Christina Oegren Mike Conroy Mark Heising Hank S Hypernova Sponsors Ryan Moser David Giltinan Ivari Tölp Vyce Ailour Brandon Paddock Oneamazinguy Ken S Gregory Forfa Kirk Honour Mark Evans drollere Joe Moreira Marc Armstrong Scott Gorlick Paul Stehr-Green Russell Pope Ben Delo Scott Gray Антон Кочков John R. Slavik Mathew Donal Botkin John Pollock Edmund Fokschaner Joseph Salomone chuck zegar Jordan Young John Hofmann Daniel Muzquiz Gamma Ray Burst Supporters Walter Montalvo Andrea Galvagni Larka Jerry Thomas Nikhil Sharma Alexander Gruber Jonathan Cordovano John Anderson Scott Hannum Paul Widden Bradley Ulis Craig Falls Kane Holbrook John Yaraee Ross Story teng guo Mason Dillon Harsh Khandhadia Thomas Tarler bsgbryan Sean McCaul Susan Albee Frank Walker Matt Q MHL SHS Terje Vold James Trimmier Anatoliy Nagornyy comboy Andre Stechert Paul Wood Kent Durham jim bartosh Nubble Ramon Nogueira The Mad Mechanic Ellis Hall John H. Austin, Jr. Diana S Faraz Khan Almog Cohen Alex Edwards Ádám Kettinger MD3 Endre Pech Daniel Jennings Cameron Sampson Geoffrey Clarion Russ Creech Jeremy Reed Eric Webster David Johnston Web Browser Michael Barton Mr T Andrew Mann Isaac Suttell Devon Rosenthal Oliver Flanagan Bleys Goodson Robert Walter Bruce B Mirik Gogri Mark Delagasse Mark Daniel Cohen Nickolas Andrew Freeman Shane Calimlim Tybie Fitzhugh Robert Ilardi Eric Kiebler Craig Stonaha Graydon Goss Frederic Simon Tonyface John Robinson Jim Hudson A G David Neal justahat John Funai Tristan Bradley Jenkins Daniel Stříbrný Luaan Cody Thomas Dougherty King Zeckendorff Dan Warren Patrick Sutton John Griffith Daniel Lyons DFaulk Kevin Warne

Top Comments (10)

@Its__Good 2022-10-19

This is like when the teacher says: "OK, we've already covered all this. So it should be easy".

3.9k 63 replies
@andrekz9138 2022-10-19

When I started watching PBS SpaceTime, I was just learning about quantum mechanics and relativity. 5 years and a chemistry degree later, I finally feel close to the frontier. It's been a pleasure taking this journey with you.

1.1k 33 replies
@FriedPotatoFarmer 2022-10-20

I really like that fact that this episode and some of the other recent episodes are totally over my head. I studied math and engineering in college and most of the physics channels out there dumb down the science so much that they don't really say anything at all. keep challenging the audience to become educated and keep up. keep setting the bar high. this content might be above many peoples head but I REALLY like that it challenges me to keep learning. This channel is super well produced and I'm a huge fan. keep pushing us to understand at higher levels

845 16 replies
@ThomasGutierrez 2022-10-22

The unpacked version of the Standard Model Lagrangian (density) shown at 14:00 in the video was the version I transcribed and posted in 1999 from the appendices in the book Diagrammatica by Nobel Laureate Martinus Veltman while procrastinating writing my dissertation. I'm glad folks are still getting good use out of it over 20 years out!

684 14 replies
@N7_CommanderShepard 2022-10-19

A grad student who’s studying particle physics worst nightmare is encountering the standard model Lagrangian. A few of my colleagues got their PhD in high energy theory, so if you ever want to scare them off that’s something you show them lol.

658 107 replies
@SuperButter98 2022-10-20

I just want to say how unbelievably grateful I am for this channel. I've waited for something exactly like this for decades.

630 8 replies
@DForce26 2022-10-19

I always thought... How hard can it be?? Then I saw that equation and I was like... Never mind...

199 13 replies
@MarxistKnight 2022-10-20

This video encapsulates why I didn’t go into physics. I’m absolutely passionate about the concepts of how and why things work, and the fact that humans know this equation is fascinating and I fully appreciate the importance of the mathematics. But honestly, my eyes glaze over when I see that equation. I tried so hard to follow but I kept wanting to be brought back to physically what this indicates is actually going on.

117 12 replies
@lunlunqq 2022-10-21

Oh dear Matt… Look at him. Explaining everything with such confidence and conviction as if we understand even a single word of it. 😢😢😢

65 1 replies
@calvinkielas-jensen6665 2022-10-20

As a PhD student in robotics, your videos have provided such excellent insights into some of the math I use. Furthermore, your excellent presentation of the topics inspires me to push my own work further. Thank you for such phenomenal content!

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