Where Does Electric Charge Come From?

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Electric charge is both a spacetime invariant and conserved over time. To understand why, we'll need to dive deep into it's connection to the electromagnetic field through Noether's theorem and quantum mechanics. Brilliant for 20% off: brilliant.org/ScienceAsylum
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VIDEO ANNOTATIONS/CARDS
What is Electric Charge?
• What is Electric Charg...
When Conservation of Energy FAILS!
• When Conservation of E...
What is a Quantum Wave Function?
• Quantum Wave Functions...
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RELATED RU-vid VIDEOS
PBS Space Time on Noether's Theorem:
• Quantum Invariance & T...
• Noether's Theorem and ...
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OTHER SOURCES
quantummechanics.ucsd.edu/ph1...
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arxiv.org/abs/quant-ph/0302062
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web.mst.edu/~hale/courses/Phys...
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physics.nist.gov/cuu/Constant...
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Опубликовано:

7 июн 2024

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Комментарии : 917

@ScienceAsylum 4 года назад

*Clarification:* When I define Noether's theorem at 1:52, the text on the screen is correct. However, there's a subtle disconnect between the broad conceptual language and the strict mathematical language of Noether's theorem that makes what I say out loud misleading. It would seem the math of Noether's theorem only applies to _continuous_ symmetries. There are _discrete_ symmetries that also result in conserved quantities, but are not due to Noether's theorem in the strictest mathematical sense. #LanguageIsHard

@jacobkrebs5026 4 года назад

Why can we apply noethers theorem, isn't it only defined on Euclidean spaces?

@AlleyKatt 4 года назад

Seems to me... if you were wanting to convey a strict understanding of Noether's theorem then you would've gone heavy on the maths. But you were going for understanding a concept, so the only way I can truly consider your words to be "misleading" is if I'm just trying to be a ∆!¢k about it.

@erikawanner7355 4 года назад

#quarantineinvariance

@michaeldamolsen 4 года назад

Nothing to worry too much about, but I applaud the fact that you mention it :) I think the video was mind blowing enough without a discussion of Ward-Takahashi identities, but maybe something for a future video?

@yuotwob3091 4 года назад

It's gone too far to go back.

@lorenzocimino2827 4 года назад

Honestly, as a Physics major, it's one of the best educational video about gauge invariance

@davidhand9721 4 года назад

You like this one more than PBS Space Time?

@brilliaurabillah8974 4 года назад

but it seems more understandable for wide (i mean people who not take physics major) audience than pbs space time

@Familia_nepal_nepal_do_mal12 4 года назад

@@davidhand9721 I think this one is better than what PBS spacetime did (and I think PBS did a good job). The lectures about this are usually terrible.

@dannyj4858 4 года назад

What are you doing knowing gauge invariance as a physics major lol

@DANGJOS 2 года назад

In what physics major are you learning gauge invariance? Seems like a graduate topic

@constantinandro684 4 года назад

I like how this channel goes into deep concepts. A lot of science channels scratches only the surface so that it's more digestible to the masses.

@juanfromthecosmos 4 года назад

We had the meme:"Actually, Quantum Mechanics forbid this". Now, we have the new one!: "Quantum Mechanics requires this!"

@6900xx 4 года назад

I came to comment section as soon as I heard him saying that 😂

@s3cr3tpassword 4 года назад

Yea he even made it into a meme format with the placement of the words and choice of fonts too!

@jasonremy1627 4 года назад

Wasn't it Gell-Mann or someone like that who said something like "That which is not forbidden is mandatory" when referring to quantum mechanics...

@ronaldderooij1774 4 года назад

It's the virus that requires and forbids everything nowadays. The universe has changed.

@mtslybot78 4 года назад

@@ronaldderooij1774 its changing. always is. the footprint left by the common experience in the moment can't be predicted, and often is not as impactful, or the impact subverts expectation, in retrospect. But I agree that 'now' is very weird. 2016 was weird, too, and it rocked the worlds collective psyche. I'm tempted to suggest that moment in recent history forced the collective consciousness to discover its ability to adapt to the unexpected, and leaves us better equipped to accept and adapt to, and/or rebuild the structure that is absent in this extended moment of human experience

@drewkelly1955 4 года назад

Anyone else lost af? I’d honestly appreciate a more in-depth lecture on this

@polychoron 4 года назад

I'm lost beyond fuck. But mostly because I can't math. All those greek symbols are just scrambled eggs. It's still very interesting, the parts I understood.

@davidhand9721 4 года назад

Watch PBS Space Time episodes on Noether's theorem. Also, same show has a good episode on this topic, called, um, quantum invariance something something... you'll see it. Much more in depth.

@TheJohnblyth 4 года назад

I think it’s becoming expected because of the format that you can slow down, pause or repeat anything that is bothersome. RU-vid can let you experience it all at half the speed if you like :) I’m going to have to do that with some of the earlier videos to get a better grasp of what was presented here.

@martifingers 4 года назад

Yes, I am very lost I am afraid.

@pronounjow 4 года назад

He said this is Part 1 out of 4.

@susmitamohapatra9293 4 года назад

I see you're a fan of kurzgezagt as well 😃

@Nevermind2010 4 года назад

He is wearing a kurzgesagt t shirt

@Helwdrokin 4 года назад

is the fist thing i noticied XD

@Helwdrokin 4 года назад

there a ting i nerver white corectly

@monikalala3810 4 года назад

Where did he get the T-shirt from? Kurz gesagt, or somewhere else?

@abhijitborah 4 года назад

Birds of a feather

@AndrewDotsonvideos 4 года назад

Awesome explanation on the local phase invariance. very nice/10

@Boog1137 3 года назад

Ah the cultured one himself

@zucc4764 2 года назад

nice

@rzezzy1 4 года назад

8:44 finally a counterpart to PBS Spacetime's "actually, quantum mechanics forbids this"

@akashdeeppaul9272 4 года назад

*Watches the video lying on the couch and snacking popcorn* Nick : I don't know if you know this but humans are lazy.

@mldag1678 3 года назад

Same, I'm also SO tired so I didn't get all of it (I'll probably watch this again) but I still understood a lot of things, Nick is amazing

@macronencer 4 года назад

Yeah... this one's going to need several viewings! There has to be at least an hour's worth of material covered in under ten minutes. Still, I'm sure it's almost impossible to simplify this topic. Thank you for continuing to treat your audience as intelligent, rather than dumbing down for cheap view counts. Really appreciate that!

@ScienceAsylum 4 года назад

Yeah, this is a problem we all run into with quantum mechanics. If you remove the math from QM, there's barely anything left to talk about. That's basically all QM is.

@spacejunky4380 2 года назад

@@ScienceAsylum breaking down the math into intuition is hard to do. I follow the formulas when you explain what they are doing. When they are applied to the EMF I become lost trying to find the connections between the formula's parts and what is going on inside of the model of the field. I probably have to rewatch it to understand it better. When I really follow what's going on, I can see why you're mind is blown because I definitely have those moments too. Thank you for sharing your knowledge, I appreciate your videos.

@vincelaszloszalma2103 4 года назад

It was an astonishingly efficient way of breaking down the fundamentals of a very complex subject. The usage of analogies is truly enlightening, not to mention that the structure of categorization you implement is perfectly consistent. I cannot express the value of your work properly. Thank you, sir!

@AmandaKaymusic 3 года назад

Well said.

@guilhermesantosmacedo1694 4 года назад

4:06 Oh, that's why we call magnetic potential with "A" then...

@shayanmoosavi9139 4 года назад

LOL nice one😂😂

@Lucky10279 4 года назад

Yeah that made me laugh.

@Ivan___Cunha 4 года назад

Great video To be pedantically precise, Noether's theorem says that every continuous symmetry is linked to the conservation of some charge, but not all conserved charges are due to symmetry. Some charges have topological nature (if there were magnetic monopoles, their charge would be topological and not a Noether's charge).

@ScienceAsylum 4 года назад

Thanks for the pedantic correction. You're not the first to mention this. I just pinned a comment clarifying.

@yashagnihotri6901 4 года назад

As much my knowledge knowledge is concerned , magnetic monopoles don't exist ! Just for the sake of keeping the divergence of magnetic field Zero .

@michaeldamolsen 4 года назад

If you really want to be pedantic, I suppose you should say "differentiable symmetry" rather than "continuous symmetry" :)

@Ivan___Cunha 4 года назад

@@michaeldamolsen That's a second order pedantic correction XD

@Ivan___Cunha 4 года назад

@@yashagnihotri6901, As far we know there are no fundamental particle with topological charge (like the magnetic monopole), but condensed matter have plenty of topological deffects with topological charges.

@FGj-xj7rd 4 года назад

That's actually a pretty funny thumbnail. It definitely fits with the character.

@FGj-xj7rd 4 года назад

Ayyy, thanks for the heart. This heart is also invariant 😅

@hoodedR 4 года назад

@@FGj-xj7rd so what is conserved

@FGj-xj7rd 4 года назад

@@hoodedR 🥴

@Darkanight 4 года назад

it's the first time I see "definitely" being spelled correctly on youtube this month. congratz. lol

@Zeegoku1007 4 года назад

@@Darkanight Lol. How ? At least for mobile users spell correction kicks in. 😂

@mtslybot78 4 года назад

There's a lot to absorb in this video. Concepts explained clearly infer a deeper intuition that I'm honestly struggling to process without having to pause the video. I think this will prove to be a video that is worth returning to multiple times as you incorporate all the nuance from continued study with the goal of deeper, but also more intuitive understanding. Good job!

@adityachk2002 4 года назад

Your target audience is even Smaller than vsauce, kurzegat vertasiums physics girl and others.... because you literally talk actual equations

@manitro337 4 года назад

Alas, this is the reality of true education; boring as hell.

@chesterdomingo4590 4 года назад

I acctually appreciate the presentation of actual equations.

@mydearfriend007 4 года назад

@@manitro337 it's not boring at all

@ronanstephens1597 4 года назад

PBS Spacetime is where I go to learn new things about physics. Science Asylum is where I go to learn that I have to relearn what I thought I knew about physics.

@paulthompson9668 4 года назад

Adityachk2002 He found the sweet spot between Brian Greene and Leonard Susskind.

@nadiyayasmeen3928 4 года назад

I see Kuzgesagt T-SHIRT

@MaryAnnNytowl 2 года назад

I think the cardboard look for some of those drawings is absolutely darling! Now, this video will need a couple of viewings to let it soak in, but with the rest of the explanations of electricity & how it works, it really helps, because it goes to the subject from a bit of a different perspective. Thanks so much for that!

@xyz.ijk. 4 года назад

Outstanding video!!! Seriously clear and complete and among your best.

@ocnus1.61 4 года назад

The quality of information and clarity despite being dificult topics (if one wants to truly understand them) is a great benefit to the youth. Thank you.

@alexsmit5430 4 года назад

This is a great application of Noether’s theorem. I learned this in my upper division physics this semester so this was cool to see.

@dixshants1227 4 года назад

I have been here since you were at 10k subs and even commented that you are one of the most underrated science channels. This video again just proves my point and I will see u again once u hit a million😉

@rc5989 4 года назад

Great video as always! Lots of great stuff packed in here. Gonna enjoy watching it several times.

@larryseabrook7089 Год назад

Great job covering so many key concepts in such a short period of time.

@ScienceAsylum Год назад

Thanks!

@danielwalker5682 4 года назад

Awe inspiring. Can't say I understood more than ~25%, but hey....I always felt there must be something that would pin down the "arbitary" extra functions on the electric scalar and magnetic vector potentials. I suppose quantum mechanics would have to come in somewhere....Keep up the great work.

@pleaseenteraname4824 4 года назад

Anything: **is conserved** Emmy: "I have been called"

@Zeegoku1007 4 года назад

The woman I respect the most 😤🤘

@timbeaton5045 4 года назад

@@Zeegoku1007 well, it IS nice that her work has become better known over recent times. Groundbreaking stuff at the time, and underpins much of physics that we now study.

@toknowledge1371 3 года назад

It's inextricably good to understand for those like me who always trying to grasp Quantum Theory from it's root. Thanks for this magnificent contribution of Explanation.

@Lucky10279 4 года назад

“We might not know what they are, but their behavior is described by waves of probability.” Exactly! I wish people would stop saying that electrons _are_ waves when the reality is that we don’t know _what_ they are. We do know how they _behave_ though, and that’s far more important.

@josephlombardo1246 4 года назад

idk electrons are electrons, and we use the mathematics of waves to describe their behavior. there is no need to figure out "what they are," only what their properties are. there is a sense in which it's not really meaningful to talk about "what they are" beyond excitations in a quantum field. At some level you reach brute facts, and you can only describe things in terms of their properties as mathematical objects but that's just the universe for ya.

@Lucky10279 4 года назад

@@josephlombardo1246 Yes, that's what I was saying. We don't _know_ what they are, but we do know how they _behave_ and that behavior is dictated by their properties. That knowledge is far more valuable.

@da_birdman6800 4 года назад

All particles are vibrations in a quantum fabric. This fabric is a 3d+1 hyperfluid "something" The theories that describe this are called Quantum Field Theories. Particles have no actual distinct dimensions. They are not balls or any solid thing. Their physical trajectories are fuzzy and that creates probabilistic shapes that vary but the corpuscular view of elementary particles is just an illusion.

@Lucky10279 4 года назад

I can't believe I posted this only a month ago! Over the past couple weeks I've become convinced that electrons almost certainly _are_ actual physical waves in quantum fields. That's so ironic! I don't know that I've ever changed my mind about something so completely in such a short time (at least not something I've spent so much time thinking about.)

@da_birdman6800 4 года назад

I had a hard time understand physics from solid objective prospective as a teen learning about science. My biggest issue is that each time you say a particle has an exact size and shape that begs the question. Well then what defines that object? More particles? At some point things must be vibrations or motions of some medium or fabric.

@DANGJOS 2 года назад

Definitely your most complicated video, but also fascinating. Thanks! And I remember that dreaded A vector from Electrodynamics. Makes me want to revisit it and give myself a better understanding.

@ScienceAsylum 2 года назад

Yeah, it's definitely a "core audience only" kind of video 😆

@DeclanMBrennan 4 года назад

That's a fantastic explanation of phase invariance. You covered a lot of ground in a single decaminute but I found it very electromagnetically illuminating. After the little teaser, I'm hoping for a video or two on relativistic QM - a fun challenge. :-) Thanks for all the energy you put into these videos. It's time well spent.

@ScienceAsylum 4 года назад

Thanks! 🤓

@nikolaykaloferov2894 4 года назад

So complicated and also so simple(in some ways).I mean it's good to know what's around us and how it's work. Keep going ☺

@Mowxel 4 года назад

I havent watched you since you had like 3k subs im glad youre doing great and only on the rise.

@ScienceAsylum 4 года назад

Where have you been? 🤔 I hope everything is ok and it's just that RU-vid hasn't been showing you my videos.

@ailblentyn 4 года назад

This will take a few views! What an interesting topic.

@edjanygo 4 года назад

Hi Nick, I m quite impressed by this video. I ve never come accross any vulgarization articles or videos about charge, phase invariance and EM gauge. This topic is thought to be too complex or mathematical to be explained. Many thanks for the effort of busting the white lies and dubious analogies we are told to simplify our understanding of physics. As a contrary I think the difficulties, the counter intuitive concepts and fine descriptions are the heart of seeing physics as logical system.

@EnginAtik 4 года назад

This video is packed with information and funny as heck. I am sure I will come back to this video many times.

@MrBananabomber123 4 года назад

I always love your quantum mechanics videos.

@ShubhamRaj-mu8ol 4 года назад

Who liked that he is wearing a kurzgesagt t shirt and used Vsauce's "Or is it?" at 5:05.

@ahmadnurokhim593 4 года назад

@Mr41297 4 года назад

Thanks for making that 'quantum mechanics requires this' meme so I didn't have to

@_Messiii 4 года назад

Great video! Superb explanation!! Thank you :)

@rguimatorres 3 года назад

Difficult to follow, but you’re excellent explaining! Thank you, Nick! Best regards from Brazil.

@James42_ 4 года назад

Dang it! Why did you upload this hour?! Now I can’t sleep and late for school Tomorrow lol

@FundamentallyExplained 4 года назад

Wow that’s a lot of mathematics covered in such a short time :O in my own videos I always end up abstracting the mathematics away a bit more for the sake of clarity, but it is honestly inspiring to see it not done like that, while still yielding a thorough and clear explanation! Awesome :D!

@ScienceAsylum 4 года назад

I don't normally have this much math in my videos. I've just been sitting on this video for a year now, tweaking it a little bit at a time and never being happy with it, so it was time to let it go. I needed to be done with it.

@FundamentallyExplained 4 года назад

The Science Asylum I hope you are nonetheless happy with how the video ended up! Not sure if it helps, but I think it is impressive to see gauge invariance, Noether’s theorem and the physical implications compressed into 10 minutes. That’s everything but easy, especially while making the explanation as understandable as possible, but I think this video does a great job at that :-)

@ScienceAsylum 4 года назад

I'm as happy as I was ever going to be with it I think. I don't think there was any way to make this an A+ topic. It's just too niche.

@itaybenguigui8788 4 года назад

You are the best Thank you ! Few months ago I saw Your video on The principal of least action and it got me so interested at your channel!

@stefanopastore8886 4 года назад

man this is one of the best videos you have ever made

@reinaldo3091 4 года назад

5:00 Vsauce reference?

@lyrimetacurl0 4 года назад

Or... is it?

@pratyushbhattarai5632 4 года назад

Not the first Not the last But when I see Nick upload . . . . . . . I click fast fast!!

@NoNameAtAll2 4 года назад

fastfast!

@reubenrk3406 4 года назад

I wish all teachers were like you.

@royrosales81 4 года назад

Another amazing video! Thank you for changing my world!

@cherubin7th 4 года назад

3:35 I never noticed this before!

@Private_Duck 4 года назад

No dislikes yet!! Edit:- This is the only video that made me scratch my head...

@rauldumitrascu4929 4 года назад

I agree. Straight to rewatching list. 😁

@afobear 4 года назад

Agreed. That was a lot of equation manipulation on the go.

@nadavdanieli 4 года назад

Yup, didn't understand a thing.

@timo4258 4 года назад

I think nobody understands why quantum mechanics rules are like they are. Hopefully one day we understand the underlying causes for all this.

@lucasfreitag9794 4 года назад

I can't express how nice this video is. Well done

@ScienceAsylum 4 года назад

Thanks! 😊

@dreggory82 4 года назад

This was spectacular and magnificent

@benjaminbrady2385 4 года назад

5:00 Hey, Vsauce. Michael here

@Pedritox0953 3 года назад

2:20 "... my stress goes with quarantine invariance..." xD Great joke!!

@Lucky-df8uz 4 года назад

Lol you have the impact font ready for Quantum Mechanics Requires This! Great video :O

@l0_0l45 4 года назад

Hell I learnt so much new stuff in this video! Please make more deep fundamental stuff like this!

@melonhuskx15 4 года назад

*Tesla would be proud for that thumbnail*

@elgabacho73 4 года назад

I feel smarter and dumber after watching these videos. :)

@areallymessedupdude 4 года назад

Soo true

@nishtakasundass6669 3 года назад

Relatable

@scienceandknowledgearchive8197 3 года назад

Thats so great and informative. Thanks The Science Asylum

@AndreZoiaum 2 года назад

You are one of the best teachers I ever saw, took me just 2 views to get something I didn't even study in chemistry

@adityasonawane686 4 года назад

It's mid night and is saw your video and was like ... Let the morning online class go to hell .... Let's watch the video 😎😎 .

@skylorwilliams5036 4 года назад

“Hopefully that ties up all the loose ends.” 😂

@bigbadt392 4 года назад

That tells u a call of duty fan n u used gen. Shepherd's dialogue

@kagannasuhbeyoglu 4 года назад

Great content. Thank you👍

@RoXon007 4 года назад

I appreciate your hard work for explaining deeply.😊

@FedericoGalatolo 4 года назад

Damn, how I would love to have a deep understanding of this 😅

@areallymessedupdude 4 года назад

I think you are an 👽 alien send to help us grow. That explains the clones 👻

@mikstern5471 4 года назад

Your videos are great! I would love to see one covering the topic of why spin half particles follow Fermi statistics, and integer spin particles follow the Bose-Einstein statistics. Thanks in advance.

@DeepakChauhan-lc7xe 4 года назад

Nice explanation bro👍

@CaioEduardoG. 4 года назад

Almost first... Yeah Edit: Science, Mr White

@hawtsauce2471 4 года назад

Yeah science, bitch!

@jarno4054 4 года назад

I think my knowledge is accelerating due to your vids, thanks man 😁

@1111boone 4 года назад

I believe I understood at least 3 words this time! A definite improvement!

@JavierArveloCruzSantana 4 года назад

I will watch this a few more times. Thank you.

@da_birdman6800 4 года назад

Nice way to precisely explain the fact that the charges of particles are really about relationships between the rotational motion of said particle & the overall motion of the local fields created by the particles.

@sillypoint2292 4 года назад

Hey Nick! Iam really a big fan of you. I love your videos a lot. I always wanted a teacher like you. And the way of expressing the ideas is really awesome. I always wished to see you hit 1M and grow like veritasium and physics girl . So keep hope Nick . I'll see the day when u hit 1M very soon.

@kylorenkardashian79 3 года назад

You're amazing Doc

@constpegasus 4 года назад

Great as always.

@808bigisland 3 месяца назад

Excellent! Charisma and intellect and a good sense of humor

@adrient3957 2 года назад

This video made a lot of sense about notions I didn't fully understood 10 years ago, back in grad school. Thanks.

@ScienceAsylum 2 года назад

Glad I could help 🙂

@jaybingham3711 Год назад

Good stuff. Thanks much.

@kylebowles9820 4 года назад

Nice :) a Nick classic! Noether's theorem is one of the most beautiful and fundamental things in math I am aware of. I love duality

@ScienceAsylum 4 года назад

Agreed. I love Noether's theorem.

@K-A5 4 года назад

I just randomly learned about gauge symmetry last year on some podcast and I've been fascinated with it since. Are you going to do some more videos on gauge symmetry? I hope you do! Also I hope you're doing well during these stressful times

@js7244 4 года назад

I'm curious, can you share the podcast, i mean where can i get it, please?

@bend.manevitz8261 Год назад

I adore your channel, and *usually* I can follow. Not always 100%, not always first time through, but I can get it. This video, however... You need to make like four or ten videos unpacking each little bit. Please.

@ScienceAsylum Год назад

I agree. This needed an entire series. It's too compressed.

@ProfessorBeautiful 4 года назад

I appreciate the list of resources. Beginning Nick Lucid's book now.

@icantthinkofacoolname 2 года назад

@5:17 you say something really interesting about how we don't know exactly what particles are, but we know they aren't spheres. I would love to see you make a video that explores what theories there are for physical properties of particles. Love your channel!

@js7244 4 года назад

Amazing content as always! Anyway i have to watch it a couple of times more.. It would be great if you can explain CP violation, it's still so obscure to me, please share some light on it!

@michaelupdike-bz6rg 4 года назад

Do more of these types of videos, please.

@EarlWallaceNYC 3 года назад

Mathematically deep video. Challenging,, but worth it. I'm subscribing because of this video.

@johnrowson2253 Месяц назад

Thanks for showing the equation

@mr__dev.__ 4 года назад

Sir , honestly I love your explanation thank you for this ♥️

@ScienceAsylum 4 года назад

You're welcome! 🤓

@davidprime6080 3 года назад

This was a difficult one. I'm going to need to watch it a few more times. These videos are def shaking up my (lack of) understanding of how physics works

@66-desaikrunal71 4 года назад

You deserve much more subs

@christopheryang6416 4 года назад

I am happy to learn modern physics from your video.

@donabhishek 4 года назад

I am a fan of science, you have the best way to engage even the non science people

@e7ebr0w 2 года назад

can't say I understand anything any better, but you did a great job

@denniscastillo427 3 года назад

Excellent videos 🤩

@c.vdheide 4 года назад

Absolutely TRUE!!!!!!!!!!!!! In so many senses of the way! Brilliantly done! Brilliantly seen! Totally clear!

@LuisAldamiz 4 года назад

I watched it twice, maybe even thrice with so many segments I had to rewatch again and again (my mind tends to wander a lot), and I'm still sure I do not understand everything. But that's probably because you compressed a whole course on fundamental physics in a 10 mins. video. There's a lot of info on the fundaments of Reality in this short video: it's thus extremely hard for any non-specialized human being. I'll rewatch a few more times probably: it's extremely good: a very dense pack of knowledge. TY.

@yashagnihotri6901 4 года назад

Yeah , being in 12th grade right now , obstructs my limited knowledge to understand the concept of 'Gauge' included in the video rest all was a bit easier to grasp. Probably today I will read about it (Guage or whatever it is )