Fr

Actually, yes

You don't need to

F

I know physics. well, newtonian physics ;-;

Connor R He’s trying to translate Japanese physics books into English, duh

LOL at first I didn't get what you said but after I watched the video carefully then I got it😂😂😂😂

1:48 If anyone was as confused as me

Connor R you’d be surprised how often basic Japanese is used in physics grad school

IK! I was dying lol

Science is weird sometimes

@@intermaths1128 Have a blessed day.

Is this IRL convo between graduate and undergraduate in this comment section

lol i wonder how he explains tensor

Because it's not rotating it's spinning

Same, I am only 4 corona-days in to physics, and it’s the dumbed down high school one...

😭😭😭😂😂😂

@@realrandoms1013 :( good luck buddy

RealRandoms i took physics in my junior year, and at first it was really hellish for me, but i recommend watching “the organic chemistry tutor’s” videos about physics on youtube. they’re super detailed and clear, and i ended up getting a 96 on my midterm! compared to like a 54 on my first quiz lol. he really helped me build a strong foundation for understanding new concepts in physics and i wish i had found him sooner

@@Kelpoflakey Exactly what I was about to comment. Got an 85 on a high school tier exam only by studying for a week.

A particle with uniform density.

Lmfao I'm in physics 1 so most of these went over my head, but I've literally seen those exact words somewhere before.

@@GalileoAV Same here. Physics one is a perfect world sandbox where you can plug your ears and ignore things that complicate a system, like air resistance.

@micki stevens ...In a vacuum.

@@nathanseybold6679 Si Ramo's "Orbital Guidance," is a basic text on how to hit Moscow. You can read it in a cage in an office on Army-Navy Drive, down in Virginia, with a Marine corporal standing at ease a little bit behind you. The essential point of the entire book is that the Earth is a sphere, not flat like you learned in engineering school. Ellipses, not parabolas.

When you try your best to be rigorous but the exam itself is not

My entire time at uni was the professor thinking that I went home and memorized every single lecture with perfect recall even 5 months later lool How am i supposed to assume an indentity or resymbolization months after it was used once for 5 minutes aha

my stat mech classes in a nutshell lol

Even though I studied engineering and not physics, I clearly recall my prof telling us the project we got stuck on was easy, we just had to take whatever reasonable assumptions necessary... Leaving us with the much harder problem of knowing which assumption was reasonable.

As a math major I'm so confused.

It is a number with a dumb name, you're welcome.

Something from JoJo's

@@arzi1233 someone here has balls of steel...

@Kim Hyowon You're being pretentious. It's really quite simple: the intrinsic angular momentum of a particle. That's it.

@@arzi1233 Gyro approve

We professors are hilarious, and that's an axiom.

This is actually depressing lol

@@u.v.s.5583 Lol

Is the proof left as an exercise to the reader, though?

And for the graduate class he just adds a 2 to the end of the name 💀

Can you explain it

@@Speedster___ it's the insane amount of contradictions in the title...there's introductory physics and there's ADVANCED introductory physics...you could be working at nasa and you still haven't gotten to advanced intermediate yet!!..same thing with professional beginners. Funniest thing is that uni book titles are actually like that irl lol

@@randomalienfrommars0567 ah

@@randomalienfrommars0567 so true They never admit that the book is hard

Do ponder on Mary's room experiment 😂😂

Hate to break it to ya but philosophy is not the place to turn to for answers.... As a physics and philosophy double major over here, I am still lost af in terms of my decisions.

Lol

That's not what academic philosophy courses deal with. As a philosophy double major, that is a HUGE misconception when people take a philosophy course. We aren't sitting under trees talking about the meaning of life...

jst 1060 do they not teach what a joke is either?

Or one

Math is somewhat useful in real life

literally just finished my calc exam, couldnt figure out the integral, assumed it was zero lololol

Or something with a pi

If you cant do the integral youself say "thats MATlab's job anyway" On a Fields and Waves final one of our questions was to just explain the meaning of an equation. It was basically just an integral across the spectrum of light reaching the surface of the earth * transmissivity of silicon at each wavelength (basically an effeciency of a solarpanel), something that is just a concept question as a computer can do it in under a second. (And a human would die trying)

I had a programming lab tingy and the graduates that were meant to help had no clue what to do. The didnt even know the language

Is matrix algebra not taught to students before high school in the USA?

@@lorenzorodriguez583 Ha Ha Ha Ha Ha Ha Ha Ha Ha Ha!!!! Approximately 20% of my graduating class in high school could not read.

@@lorenzorodriguez583 Neither in Canada. The entire education system is a scam.

@@giggidyguy7149 I did not know that. In Spain is almost imposible to start a bachelor degree in math, physics or engineering without knowing matrix algebra.

My favorite KZfaqr commenting here 😊

Lol my life. Glad I'm done with phys papers now!

wow! I love ur Channel as well!

Omg hey! Nice to see my two favorite college relared youtubers here.

I love this little physics community going on here on KZfaq 😁

Jordan Graupmann me too :D

That’s almost always my reaction at the end “maybe it’s just zero?”

Same, I've definitely had that same reaction when my stats professors were talking over exam problems.

actually had a hearty laugh at that

zero or infinite are more often the answer in math class physics you prefix with “close to” 🤷‍♂️

"Proof left as exercise for reader" is so common in math texts that it's basically a running joke.

I remember a professor demonstrating the theorem for N=1 and telling us to do induction in our homes to prove the general case (it was one of the most important theorems of the course, too). Damn, we hated that woman

@@ericdaniel323 dude i hate this. i am not majoring in math, but I am trying to understand math for computerscience and in general because I am interested and every time I see this, it throws me up xD

taking E&M right now and the professor after setting up a problem is always asking before he moves on, "do you guys want me to do this?... No I'll let you guys try it on your own or maybe for homework idk." And it turns out to be finding the E field of a cone using cylindrical coordinates that gives an integral that wolfram would gain sentience from and personally refuse to ever solve another equation again.

Well in chemistry it's either "we don't know yet" or "the model we're using is inaccurate anyway"

@@florianm9693 You ever heard of the "this model is mostly false and usually incorrect but we've been using it for several years now, so it is a common practice to know and use it"?

@@TheKarolean no, but i heard we use the hybrid orbital model insted of mo- model

@@TheKarolean well, I here that a lot for atom models lol.

In digital media engineering & computer science,self studying increases exponentially as the semesters go by anyway 😂

Holy crap of course! Hope you're doing well!

Oh nice.

Nice👍👍 The Algorithm Connects Us All 👍.

Whole. Some.

"OMG!! You probably don’t remember this but we were in the same art class in 11th grade!!" I expected this addition: "AND I was totally into you"

Hahaha

Haha, "many, many, many, body system of statiatical silicone..." Or the experimental string theory? That would be an interesting one!

Marianne LOL experimental string theory 😂

@Giovanni Mahoney It is just about the shift of positions of planets and constellations when your mother is giving you birth while moving at a relativistic speed?

@@johndunigan5473 Welcome class! So, here is your equipment, the strings are already on. So we start in the standard tuning, EADGBE, and let us try playing Smoke on the Water for a warmup!

NMR is the craziest shit ever. I don't know how deep down the rabbit hole you got but understanding stuff like coherence pathways and 2-3D pulse sequences, is just too much for me. Thankfully I can still run spectra.

-cries in unused Chemistry degree- but ... what IS it???

If chemistry is unused degree.. omg poor astronomists, physicists and mathematicians

so, can anyone explain what spin is you know, like the 1/2 stuff and how to visualize it.

@believe German K5 Ok i Will try. First of all spin is the result of a famous experiment, the Stern Gerlach one: in their apparatus, briefly put, a beam of energetic electrons (like a laser) goes through a narrow path between magnets (a non-perfectly uniform magnetic field) and the path results split in two paths (up path and down path) at the end of the pathway the electrons took. This baffled scientists. Others eventually could even repeat with a very low flux of electron (imagine one electron per second) and the electron had a 50% of either going up or down. This killed determinism, even from a statistical physics point of view: how could an electron go either up or down? Then the electron must live in a "spin" state which is 50% of the times up and 50% of the times down. Spin up, spin down. How does the electron "decide" whether it goes up or down in the Stern Gerlach apparatus? Well this is the beginning of quantum mechanics. Spin is one of the seeds of quantum mechanics and its postulates! I can suggest some readings like Griffiths introduction to Quantum Mechanics if you would like a very soft intro to QM, or Shankar Principles of quantum mechanics for clear statement of the axioms, or even Introduction to Hilbert Spaces with Applications by Debnath if you want a formal axiomatic introduction to quantum mechanics. Briefly speaking, spin is a quantum "magnetic dipole" property of fundamental particles, and leads it to the quantum interaction with magnetic field. An electron can be both spin up and spin down until a measurement is made (such as stern Gerlach, it blocks the spin to either up or down after the magnetic interaction which counts as a measurement by the environment). Have a great day :)

I better get working then

Einstein said something like that

@@z_6077 *To understand Recursion, one must first understand Recursion.* Stephen Hawking

@@z_6077 its feynman

Yeah! First thing i take a good look when facing an integral is the integration interval, and then see if the functions are dislocated, and even or odd.

Were you not allowed to ask your professors for the relevant concept or hints?

You forgot basic Japanese,

@@marcoaranas It's not uncommon for professors to make their graduate level courses research like. In such a case they'd say "I dunno, figure it out" because that's roughly what your advisor would say if you ask them most research questions. Though in the latter case that's because you're the expert on your project, not them. They legitimately just don't know.

I had a terrible undergrad professor she deliberately would not use standard notation and asked questions in such a way it was difficult to research, plus her lectures were just her reading from a textbook. She was the worst.

you should've used quora or physics stack exchange.

Quahntasy - Animating Universe I literally asked that in class for the meme

Spin is something you can measure or calculate but not understand.

Isn't spin just when something rotates around an axis. My bayblades spin.

@@Novozymandiaz they referring to electron spin and how it influences neighboring subatomic particle behavior... but yeah, it is generally something rotating around an axis, similar to overpriced tops.

@@HarryPotter-kd3bh Yup

Japanese 101

He needed to translate those damn Japanese papers

Quantum string japanese.

What's funny is that neither are true.

@MetraMan09 BECAUSE

@MetraMan09 It isn't, but we gotta do them calculations somehow ;)

@@k_tess It might be true at some height under the soil

@@robinsuj Well there MUST exist somewhere on this planet, where that's true.

as an EE undergrad I feel personally attacked

That reference tho

TheArnoldification as a freshman in high school I feel personally attacked

so andrew do watch debate of KVL on KZfaq

What do you mean? You use experimental string theory to do even the most basic experiments in quantum geology!

That's interesting. Because it can be the opposite of what is taught. Many undergraduate courses tell students that the Schrodinger equation is a postulate; in graduate school, one derives it.

@@tuele4302 but you can't derive it, only justify it :O

(Edit: spelling) That's not how I learned it. Please see "A Modern Approach to Quantum Mechanics" by Townsend. Wikipedia has a section for the derivation, too, albeit incomplete. en.wikipedia.org/wiki/Schr%C3%B6dinger_equation#Derivation

@@tuele4302 I wouldn't try to explain that to undergrads lol

@@HilbertXVI it was in my 3rd year course. Skinner is big on generators 👍

You keep that up and that nobel prize will be yours in no time, my dude.

Griffiths E&M, best textbook I've ever used.

I'm sorry, but have you heard of JD Jackson? Yeah.

LMAO yes

@@HilbertXVI Hilbert "Space" Black

No. jackson is the last straw before suicide

Laundau Lifschitz makes Jackson look like Griffiths ;-(

Griffiths didn't help me at all.

Got your joke man!!! ROFL!!! 🤣🤣

I get that reference 😂

Thank you!

If russian prof. doesnt recommend Landau and Lifshitz then he is not russian

I see you are the lucky one. My professors recommended a book that we never use at all and it was expensive, and upon reading the author, it was my professor. Freaking cheap way of making money.

@@iktanmiztonton3477 lmao

@@iktanmiztonton3477 Isn't that illeagle?

@@iktanmiztonton3477 Is there no Library, where you could lend it?

Between that and Relativistic Astrology, we've got a winner :)

Quantum Field Biology

Thats when the stone is still on the table and laying on the floor at the same time.

The concept of quantum geology terrifies me. Is the Earth just going to pop out of existence from above me?

@@helloim3j Just keep measuring it and you will be fine.

true, same for chemical engineering. Was so funny lol

Its a cake walk for accounting.

We actually skip the next chapter (although you probably ought to read it during the weekend, do all the related problems and get another book as this will be on the exam) and move on to something completely different.

@@u.v.s.5583 Professor: I am sure you all must have excelled at this course already, now let's digress into some interesting physics in different dimensionalities.

You can only ask if you understand something. Not if everything is a question. Then yes, it's avoidance land from then.

So true.

Bruh, too many times. 50/50 on whether it's 0 or infinity

Im sorry dont you immediatly use dirac notation in your grad class? Because im a 3rd year physics grad and in my QM class we immediatly started going deep with Dirac notation, bloch rapresentation etc... sounds weird to not use diracs notation in QM

I felt the same when began to read Sakurai.

Thank you!

wholesome comment

Thanks a lot!

Cosmic Nihil *relativistic

@@sunshinedaniela8572 Thank you for catching that. I don't remember if that was suppose to be part of the joke, or just a typo I didn't catch lol. Thanks regardless.

A cloud of probability

@@marcioamaral7511 that's the most cheesy way to say that 😂😂😂

@@llawliet2734 He wanted na answer LOL

The lightest spin 1/2 fermion.

A point charge.

Professor, screaming internally: "STOP ASKING THIS I DON'T KNOW EITHER!!!"

The answer is written in the Ancient Scroll. First law of Spin: He who thinks he understands spin does not understand spin. Second law of Spin (Palpatine's theorem): spinning is a good trick.

StNick119 I’m also a math major and all of these apply in some way or another and it’s hilarious

One could say maths homework is a TRIVIAL pursuit. trolololol

physics is advanced math lolololololol