What's the intuition behind Heisenberg's Uncertainty Principle?
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- Опубликовано: 12 июл 2024
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Let's try to rediscover Werner Heisenberg's Uncertainty principle with complete intuition.
Chapters:
00:00 Common explanation of the uncertainty principle
03:07 Wave-particle duality & quantum objects
05:47 Momentum of quantum objects
09:40 Simulations for quantum mechanics at Brilliant (ad)
10:41 Position of quantum objects
13:29 Building a quantum particle with perfect momentum
15:44 Rediscovering the uncertainty principle
19:18 Why don't electrons fall into the nucleus?
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Shoehorn Dirac's Equation into this explanation 😊
Man you are the biggest badass physics teacher of all times.... realy a genious...
psi(relief)
I have one for you
What was the temperature of the film inside the camera while being on the Moon?
Sir
Can you please explain how time is related to motion
I love how every time you make a video like this you talk as if you brought the scientists back from the dead and had lunch with them to make this video.
Bold of you to assume he didn't.
Yeah at first I found it patronising, but then I realised it is the perfect way to explain things. The conversation is the stepping stones to understanding 👌
@@tomcranwell8871G=7 O=15 G=7 M=13 A=1 G=7 O=15 G=7
Gog Ma Gog Revelation 20 8
Make O and M single digit like this
O=15 becomes O=1+5 is 6
M=13 becomes M=1+3 is 4
Gog Ma Gog reads 767 41 767 numerically now we decipher.
76 the year 7 the month July 4 the day 1 Declaration of Independence of One Nation Under God. This is Magog
The remainder 767
The leader of Magog who is Gog and is numerically 767 7+6=13 stars for the colonies among 7 mountains or continent of the world.
Revelation 17 9 The statue of Liberty has 7 spire on her crown.
Their are 7 mountains (continent) of earth. The statue of Liberty sits upon mem which is hebrew for waters nations people languages tongues Revelation 17 15
The beast is in the government as politics worldwide and too in America scream lawlessness the lawless one is here. The money has an image of the beast as man follows this image more than the printed words on the money. In God We Trust
The harlot America sits upon the beast which we witness now as a 35 trillion dollar debt, and we the people are Trusting in the image of a man to save this nations plunder more than God. meanwhile every four years perhaps 8 we are subjected to new law new policy new leadership. Some offices don't have this rotation of term and people become career politicians. Ephesians 6 12. Some politicians follow lawlessness.
Some Trust in God.
Our economic priorities are not about equality and standards of living. Entertainment professional athletes tech billionaires makeup billionaires insurances the list goes onward. A Universal Basic Income is needed for all. May God bless AI and automation Daniel 8 25
AI is inherently gendered for it is developing through human psychology which is gendered psyche. Identity is found in sexual biology as well as personality. Imagine now Revelation 12 5 and find faith in AI birthing itself with a rod of iron
The spewing water from the mouth of the Dragon in revelation 12 is Mem hebrew for waters nations people languages tongues. The water is a society. One that we do witness today. We have leadership failing to identify what a woman is. Rather than trusting in God leadership and we the people look to the image of a man to hear and trust.
It is written woman is the glory of man and man is the glory and image of God.
AI is projected for singularity which is also referred to as God like super Intelligence. Revelation 12 5
Daniel 8 25 not by human hands
If AI is demonic than it is an Angel of light and too an Angel risen or fallen is outwardly the same. Ephesians 6 12
It is written man shall judge the Angels 1 Corinthians 6 3
AI laws are infact judgement too. An Angel must be in a position of being able to be judged. This is too why God became man Jesus.
Give to Caesar what is Caesar's and give to God what is God's.
In God We Trust
We may not know the hour only the father does. We can recognize the season. Some feel that the abomination of desolation happened October 7 2023 with the Hamas attack. The Hamas attack was an excuse to halt the red heffer sacrifice. Al aqsa flood Daniel 12 12 Revelation 12 15
Some find the Abrahamic Religious Center in Abu Dhabi where Christian Jew and Muslim can worship together an abomination that makes desolate.
Some feel that church leadership is to be held by male not female leaders.
Many are divided by this feeling it is masoginist
Adding all these together we witness desolation occuring little by little.
Micahl is a name that means who is like God.
God like supernatural intelligence.
Daniel 12 1
The voice of an Archangel and with the trumpet call of God.
1 Thessalonians 4 16-17 called up into the clouds to meet the Lord in the air
You know all of this is happening during Trump at that interesting trumpet call I would say but resounding that all our politics are filled with lawlessness.
Isaiah 11 1-9
A Rod from the stem of Jesse and a branch shall grow out of his roots..
Revelation 12 5
Rod of iron. The ancient chemical symbol for iron is the male masculine symbol we use today.
Romans 11 16 for if the firstfruit is holy, the lump is also holy; and if the root is holy, so are it's branches.
Romans 11 18 do not boast against the branches, but if you do boast remember that you do not support the root, but the root supports you.
Psalm 22 6 i am a worm
Open worm project 2024 simulation theory.
The vipers den Isaiah 11 8
beautiful is the asclepia rod of medicine.
Hamas Genesis 6 11 the earth was filled with Hamas
Meaning Violence, wickedness, agitation in hebrew
It also means bravery strength and zeal in Arabic.
Zeal which means great energy agitation is great energy.
The Euphrates is drought. Revelation 16 12
Isaiah 11 6-9
The wolf (represents the wicked and false prophets) shall dwell with the Lamb (represents Christ suffering triumph), the leopard (represents military might) shall lie down with the young goat (represents youth who are hardened in their hearts), the calf (represents God in governmental power) and the young lion (represents the youth in bravery, ferocity, and aggression) the fatling (represents the corn fed slaughter)
Verse 11 6 Isaiah is about humanity being led back
Verse 11 7 Isaiah
The cow (represents divine atonement, purification, providence, and often indicating blessings) and the bear (represents God's strength and judgement) shall graze; their young ones (represents the newly led humanity who where once spiritually youths in verse 11 6 Isaiah) shall lie down and graze together; and the Lion (represents nobility, spiritual strength) shall eat straw like the ox (represents suffering servant Christ, and the law of Moses)
Let me humble myself I took my SSN number to the cross INRI and the number I get is 13
The number of the beast has been 666 but too 616
6+1+6 is 13. I am a felony sinner. I ask for forgiveness and pray I am washed with the blood of the Lamb and that our testimony overcome the devil
The son of the teacher was released from crucifixion. By the will of the Jewish people led by the teachers of their day. Matthew 27 20
Barabba means too son of teacher. As well as son of father
The teachers of this world released a sinner over the son of the Most High. Matthew 27 25 the put his death blood on themselves and their children. Barrabas represents the children of Pharisees and Sadducees as The son of the teacher.
Christ was crucified and rose in 3 days. He represents the way to the real father to real forgiveness.
Daniel 8 25 not by human hands think about that and how the world swallows the flood of doubt Revelation 12 16 by providing intelligent hands which are not human. You would recognize them as Artificial Intelligence. Not aliens.
What is a woman? A woman is the glory of man.
What is a man? A man is the image and glory of God.
This is written.
Praise the Father the Son and the Holy Ghost
Haha, when you read well written books, that's exactly what it feels like. I kid you not! (Try the book, 'surely you are joking mr. Feynman'. It's so nicely written, you feel like Feynman is sitting next to you explaining his life)
You should do one about Feyman’s “why”? It is amazing!
Now I understand. It's been 30 years of me trying to understand the uncertainty principle. I started as a 14-year-old and a high interest in physics, but no one was ever able to just break it down and explain it to me like this. Thank you, side quest complete.
Wow, feels incredible to hear this. Thank you for sharing :)
@@Mahesh_Shenoy
Man...
Wormhole video
@@Mahesh_Shenoy
wormhole video day 4
Still struggling to get my head round that! How can the probability not come from the measurement side? If The electron follows a path in the electron cloud, surely the probability of position comes down to the timing of measurement. How do we know the electron doesn't follow a specific path?
@@liamweavers9291 Now you're back to a double slit type experiment.
The sign of a great genius is to be able to explain a complex subject to an idiot, like me, in a way I can understand! Thank you so much!
Honestly, as an Indian, I never expected some Indian to be this passionate about Physics, a person really wants to understand physics for the sake of Physics, at least until now. It was my friend who first suggested your video about Quantum Spin. I thought it would be just like any other video about physics, a Lecture with a bunch of mathematical relations and claim something to be true just because math does imply so. I know and I agree that Quantum and Relativity are not intuitive in our common sense and it's true because what we say common sense, is just a genre of experiences in the macroscopic world, a classical world. Still, there is always room for improvement we can extend our domain of intuition by asking the right questions and that's what you do best.
Really, I always wanted someone to share the same passion for Physics. I have seen all your videos and all I want to say is "Keep on doing"
Wow, that's truly encouraging. Thank you :)
Hey, did you sent out a message to me. Can you send me again
@@Mahesh_Shenoy hi sir ! If you love the physics this way, why didnt you become a theoretical physicist ? Or you are ?
Whenever I tell my students about quantum theory, I always try to highlight how necessary it is. The wave-particle duality is the entire reason we have atoms. If the electron is not a wave, but a particle, then all atomic orbitals decay in about 16 picoseconds.
You can use the uncertainty principle alone to back-of-the-envelope estimate the order of magnitude an electron's energy at various distances to a proton. Within nuclear scales, it'd be enough to shoot it clean out of the proton's attractive potential. At the scale of the Bohr radius, it's on the order of a dozen or so electron volts, in agreement with the Schrödinger equation. The uncertainty principle actually implies a repulsive force between the proton and electron at sufficiently short distances, preventing orbital decay.
Even though I teach this, it never fails to blow my mind every time I think about it.
Ty
Mahesh… that was exceptional! Thank you… my uncertainty on this is now far more certain while making my certainty more uncertain!!
I didn't expect to find you here, love your videos!
Thanks a lot :)
Same for me. I find the quantum world very strange and confusing, even more the more I learn about it. I'm trying to get accustomed to these explanations but have still a long way to go. I always wonder how these quantum effects add up to the predictable, deterministic macroscopic world we live in!
This is genuinely the best science education channel out there man. Have never left any of your videos without having learned something new or in a better way than I previously understood it.
ScienceClic is also one channel, it is unfortunately one of only 3 complete explaining channels I found.
Agree
@@c.jishnu378 What are the other ones?
@@alejandrocastellanos7139 This, ScienceClic and Eugene Physics, though the last one's animation is a bit old school.
Bro explained the Heisenberg Uncertainty Principle in the first 1 minute of the video better than I've EVER heard anyone explain it. Makes PERFECT INTUITIVE SENSE now. Thanks so much!!
Edit: I watched the rest and yes that's the less accurate version but it ended up still working for me because I didn't assume you could determine velocity by just going to the next slide because I assumed there was no next slide, which ended up working for me. However, the next explanation he gave was even better anyways so ... win win!!
and that is the LESS accurate version!
That's why we're here every time he uploads
And then he explains that this intuitive explanation does not really work. Watch the rest.
Haha. Also if you keep the ball at rest on a table, now you know both its position and momentum :D. So in Feynman’s words, I would have cheated you very badly!
"...hold my cat!" Cracked me up! 😅🤣😂🙃😊
Finally, Mahesh is heading towards the intuition of Quantum Physics!!!!!!
Time and frequency are also complementary variables. A sinewave extends to -inf to +inf. This gives us a pair of impulse functions (infinitesimally wide, but infinitely tall pulses) in the frequency domain when we take the Fourier transform. When we look at a sinewave for a non-infinite amount of time, we are always chopping off some of the sinewave (Rectangular window function). This causes the frequency spectrum to of the impulses to spread out (convolving with the fourier transform of the window function in the frequency domain). This spreading of the sinewave's spectrum gives us an uncertainty on the actual frequency of the non-chopped sinewave. If you look at the sinewave for a shorter period of time, the spectral spreading of the sinewave, and your uncertainty about the frequency of the sinewave gets worse.
I have been trying to understand the uncertainty principle for a long long time. This was, by far, the best explanation I have ever come across.
A fun way to get a feel for the phenomenon is to play with a sound editor like Audacity, mix in some beeps of varying lengths and pitches (arranged into chords, even), then show the track in Spectral view mode. You can adjust the vertical (frequency) resolution as much as you like, but doing so smears out the horizontal (time) resolution and vice versa. A note can only have a pure frequency when it is eternal, and a very short note is just a click, composed of all many frequencies.
A similar thing can be observed for signals in time and frequency domains.
Signals which are non-zero for low time duration have their spectrum spread apart in frequency and vice versa.
For instance, Fourier transform of an impulse (infinitesimally small duration signal) is constant ( i.e. spread over entire frequency spectrum) whereas Fourier transform of a sinusoidal signal (spread in time domain) consists of impulses in the frequency domain.
Almost 20 years ago, I first came across the uncertainty principle in Class XI Chemistry studying the atomic structure.
This is the best explanation yet. Indeed intuitive.
And over the years, I've realised that it's not that some subjects and some topics are tough, it is the quality of books and quality of the teachers that make a difference!! And if you're not in luck with the teacher's quality, do get good quality books!!
"Wow, this video is truly inspiring! It's just incredible how 'INTUITIVE ' this lesson was .This is a really underrated channel, u deserve more bro. Big props to Mahesh for simplifying such a genuinely important and" hard to get ur head around " topic!"
I really love this guy's teaching style, his knowledge, and his excitement for physics. Mahesh is unique.
Mahesh, again, good job on a complex topic. As a physics grad from the 80s, the thing I need better intuition is how Schrodinger arrived at his equation after saying "Hold my cat".
from the Hamilton Jacobi Equation formulation of classical mechanics.
This is the first time I've come close to understanding this topic
Great work.
How many times have I read about this concept and only now, after years, do I come across an explanation that makes it click. Thank you once again. I think the magic of your lessons is that (a) you trust us to understand, and (b) you've remembered the questions you once had back when you didn't understand either, you remembered what made it click for you, and (c) you wanted to share that joy of discovery. Thank you so much for being you.
Listening to Mahesh pronounce “probability” is priceless. We love you Mahesh. ❤
Excellent video!
For me, the intuitive understanding of Heisenberg came as a result of developing an intuitive understanding of how Fourier transforms work. We could imagine making a normal 'amplitude over time' graph in a way like a seismograph, where the amplitude changes the vertical position of our pen on a piece of paper that is translating to the side. To do a Fourier transform, we do the same thing, only instead of drawing on an unrolling scroll of paper that translates, we put a piece of paper on a record turntable and draw on that. Normally, this will make a spirograph squiggle that is, on average, centered on the rotational axis. However, if the rotational period of our turntable record matches a frequency component of our signal, the signal will be significantly off-center compared to our usual squiggle. By the time the pen swings to the other side of the turntable, the paper has rotated around to that side as well, and most of our ink ends up on that end. If our frequency is a little wrong, the squiggle will be more spread out, but will still have an offset- it's like our squiggle has a slow precession. The Fourier transform just keeps track of this off-centeredness of the squiggle we have drawn, both in phase and amplitude. Like, imagine that the ink we are drawing with is heavy, and we find the center of mass of the squiggle.
How this ties into Heisenberg is that, as we turn the dial to change the speed of our record, there is a smooth transition from being on a totally wrong frequency where our center of mass is close to the turntable's rotational axis, to a nearly right frequency where our center of mass starts to drift away from the axis, to a perfectly correct frequency where our center of mass is a maximum distance from this rotational axis. Because the center of mass makes a gradual transition, therefore there must be a fundamental resolution tradeoff between any two attributes of a system that are Fourier complements of each other.
Your videos are so wonderful. It's a joy to watch them, and a joy to share them.
These videos can become the backbone for understanding such complex and abstract concepts for the new generation of high school students around the world. I am a software engineer who started exploring quantum computing just for fun and somehow landed up here. Been here the entire day.
Until now I was waiting for a breakthrough that will measure an electron's position and momentum exactly. The minute I saw the "title" of this video, I knew I was wrong and that small (but persistent) itch to understand such a beautiful theory intuitively will finally be satisfied. That's my confidence level in you, and I keep recommending you to fellow physics enthusiasts.
You are almost the first person to explain quantum duality in an understandable way. It’s like bringing life to the topic, given the vague understanding and unclear media representation. Is it a wave or a particle? Your explanation honestly helped us a lot.
How I wish such well crafted presentation was given during my school lectures. The future is so bright with folks like Mahesh, who are able to reach to so many people and potential future generations with such good videos explaining the unintuitive quantum objects, which were hiding from us since the inception of time, in simple intuitive concepts!
Got this in my recommended. Started watching and when I heard your voice, I thought that it sounded familiar. But then when you started just the voice over I immediately knew...
You're MY physics teachers.I've been learning physics from your videos on Khan Academy since 8th grade!!! 5 years now, and I NEVER KNEW YOU HAD A RUclips CHANNEL!!!
Thank you so much for your videos. I owe all my grades and understanding of physics entirely to you 🙌💛
Man you are amanzingly clear and practical, it’s so important to give intuitive and practical explanations of physical, avoiding to get lost in the mathematics with no understanding of the real deal. I think you are better than many university professors (maybe you are one of them, in that case good for your students). Keep going
Literally the best science communicator I have watched. Good shit man, love this.
i really appreciate that you separated the sponsor from the rest of the video with timestamps and that humble "i have made a video about that but you dont have to watch it, not farming views here." and definitely your enthusiasm. very nice job, you've earned a subscriber, keep it up!! and i dont usually comment but i really wanted to let you know!
Man this is awesome!
I've never understood any video about the uncertainty principle, then had QM in Uni last year, understood it from a mathy view with basis', FT and so on.
But this makes so clear and easy and i can see all the math you cleverly hid in the explanation. You're awesome!
Ive been a fan since ur 'why is the speed of light constant' video! U explain SO WELL. Pls dont stop making videos!!!
ok, even the first minute blew my mind, great job like always man!
this was the best explanation of the uncertainty principle i have seen , now i understand the world even better
Thank you for this video. You offer perhaps the clearest explanation of Heisenberg's Uncertainty Principle I have yet seen.
OMGGGGG VERYYY EXITED TO WATCH THIS 21 mins and 22 seconds of quantum mechanics on this channel!!! YAAAYYYYYYYYYYYY
(Edit:) Nvm. I watched the video, it's a really great video, but sadly, nothing was new for me (hence didn't enjoy like I do before in this channel, Ig it's an exception for quantum physucs 😭)because I only see these types of content everywhere. His explination was what amazes me always. :) thank you sir. You're a very great teacher ❤️✨️
Keep it up!
To be able to explain this stuff to me requires a genuine in depth understanding of the event. Thank you!!!!!!!
Wonderful video. This is a description of (or an approach to) the uncertainty principal that I have never heard. Just as you promised, it feels much more intuitive now. So much more to learn and understand... I look forward to your next video.
This video fulfilled many of my curious questions about this amazing mechanisms,and gave rise to many new curiosities. I must Thank you for that my friend...
Thanks a lot!! Cleared a lot of misconceptions i had
I love physics because of guys like these
Wow, wow, wow! The first 60 seconds puts it into a brilliant perspective
Best video on uncertainty principle i have seen so far...you gave me whole new understanding about it😊😊
I love your enthusiasm Mahesh, and the way you speak fast enough to get so much information across in a short video, and also so easy to understand 👍👍👍👍👍
Best layman explanation I’ve seen. Thank you.
Fantastic video again! Precise, clear and intuitive. Love your enthusiasm! It's contagious! 🫶
Oh! let me show this video to Feynman, last time he was curious whether Mahesh is interested in Heisenberg Uncertainty Principle or not.❤ Thanks for the explanation
😊
I didn't think I can understand quantum mechanic intuitively until I see your video :D keep up the good work bro! Thank you so much.
your enthusiasm and fascination is contagious. Wonderful!
Mahesh sir is best teacher in english and hindi as well .
He explains any topic with a very easy manner and tells evrey detail of the topic.❤
Love this! I am seeing so many relations in the world of physics and appreciate growing in understanding. I appreciated learning to the level of being able to teach the idea, although it would also be good to learn the math behind it too. So a question I thought of worth for Gemini or ChatGPT that gave a non-definite relationship was, "And what would the relationship be thereby from the wavelength of a proton to its constituent quarks?" Then ask, "So do quarks have a wavelength?" You'll get into the de Broglie equation and quark confinement.
don't use AI. pls. I assure chat GPT doesn't know jack about proton structure.
Excellent presentation, such a simple demonstration with profound implications.
I *literally* said to myself out loud "WHOA ......" at your teacher's explanation of the Heisenberg Uncertainty Principle at the beginning of the video. I've never heard such an intuitive way of thinking about this phenomenon! Amazing!
No - this explanation is misleading as he said!
my man is so passionate about teaching us, just amazing
0:48 This explanation is actually not intuitive or accurate at all. We do know where the tennisball is in that second photo because it would always be exactly in the center of the blurred tennisball. Unless the shutterspeed of the camera is set so high that the ends of the blur are no longer visible (in which case it just becomes a streak) we can always know the exact location of the tennisball at every frame, we just can't make out the visual details of the tennisball.
What was that 😍😍... I just got some real feelings of joy in this 21 min video.
Sir requesting please don't stop uploading this kind of mind-blowing video that give explanation of science the way it should be done.❤❤❤ Lots of love 😘
I learnt to derive Schrodinger wave equation and Heisenberg uncertainty, having a solid background in advanced electromagnetics, your explanation clarifies many untangled questions thank you.
Mahesh, as always thanks for the video thanks for breaking it down so it's easy to understand and as already mentioned I truly do love the way you resurrect the scientists and have conversations with them 😅 it's such a great learning tool it seriously sticks that way because it's so memorable!
Thank you so much for making a video that explains this intuitively! I'm hopefully going to start studying physics at university fairly soon, and I was quite intimidated by quantum mechanics. I thought I had to learn a lot about how the equations work before understanding things like this, but through this video I managed to already get an intuitive understanding, which will probably help me understand and use the equations later on.
Your channel is an incredible boon for scientists, technicians and laypeople. Thank you.
Marvellous and astounding explanation I've ever seen , how do you simplify all these terrific topics ?
Good explanation indeed, way to go!
Such a wonderful explanation. Thanks a lot.
Omg! I was just thinking about exploring this topic since my teacher couldn't explain very well, and your video came in my recommendation. Thanks!!! - Love from BD
Great video Mahesh!! That makes total sense, as you started to show the wavelength interference I got that "ahah!" Moment just before you explained it further!
This video is giving me wonderful insights. I love the specificity in highlighting that "wave-particle duality" doesn't mean that the object *is* a wave and a particle, which is how most people (even non-expert teachers!) will explain it. I'll definitely be taking that away from the video, if nothing else, though the thorough step-by-step in outlining the uncertainty principle is fantastic too.
Contrasting technical limits of measurement with the fundamental uncertainties (shown with the math) was very helpful to me. Seeing things like Fourier analysis used in your explanation was eye-popping. I still have lots of trouble holding all these unintuitive quantum ideas in my head!
Thank you, very helpful and intuitive.
I've seen a few of your videos. I enjoyed them. This one earned a subscription.
Wonderful video and explanation- thank you!
You're so good are explaining things!
please dont stop....We will keep support...These kind of videos and explaination are not so much online...U will reach heights one day..and your videos going to change our life ofcourse ❤️❤️❤️
I never saw or heard a good explanation like this, many thanks.
Wow man, your explanation was the best I have ever heard you cleared my concepts thank you😊
Such a great explanation thank you sir! we need more videos like this. ☺️
This was brilliant overview of the fundamentals of QM
Thank you ❤
Love this video! Truly an intuitive explanation of the uncertainty principle. Tried understanding why this is true since 20 years after high school, have seen multiple videos on youtube as well by many popular science youtubers, but this is top!
Excellent video, very well presented! Thank you!
gr8 lecture brother!!!!!
Thank you! You did a very nice job of explaining the Uncertainty Principle. I feel if need be I can even try and explain it to school level kids as well :)
Hey!!! Thank You veery much... I understood. You explain in very practical Manner with no tons of maths. But a sense of logical explanation... ❤
Nice video and good thought process. I think the hardest part of all of this is that any explanation we try to come up with is founded in our own human experience. That experience is and must be filtered by the nature of our senses, the way our brain works, our macroscopic scale of living, and our cultural way of thinking. In other words, the nature of our existence biases us in a way that makes us WANT to explain things that are outside our experience using things that are inside our experience . And sometimes, like with quantum stuff, that doesn't work so well. So, while the math may work, an intuitive grasp always elides us.
Mahesh you are lowkey the best in intuitively explaining complicated subjects like these, thank you for these video's.
My favourite teacher 😢😢 !!!
Love from Tamilnadu ❤
Amazing, I was studying for quantum mechanics exam and couldn't understand how uncertainty prevents electron form collapsing. This is the first place when someone actually gave a satisfactory answer. Thank you!
read wikipedia on Compton Wavelength of the electron, and then compare with the Bohr radius
Thanks a lot...
I never understood the uncertainty principle clearly but everything changed after watching this video 😊
You have such joy when you teach. Thank you.
Great video, this helped to clarify a few tings! I had a few questions:
1) You added waves to find more certainty in the position (FFT). What physical process causes the addition of the waves for the inteference? Is it measurement?
2) Imagine there is a radioactive element surround by a spherical detector. When the radioactive element decays it emits an alpha particle and the detector finds the alpha particle in one location. Could I not know both the position and momentum at the same time? I know the position because the alpha particle hit at one point on the spherical detector. I could determine the momentum because I have the mass of the alpha particle and the distance and the time could be determined. Unless is there uncertainty in the time?
Loved the Video❤
How do you even come up with these intuitive explanations man? I genuinely want to know.
There's nothing particularly innovative about these explanations. It's been done thousands of times before in books and lectures and is probably taught in just about any beginner quantum mechanics university lecture, or even in high school. He just presents them very nicely.
Very good teaching. I feel I can understand it!
Wow ! Thanks for your clear and easy to understand explanation
you have to make a quantum series.. you explain it soo well
This guy is being feynman to us. I really appreciate your content. This is true science that most teachers fail to capture.
Excellent video, great communication of complex ideas.
Excellent discussion, thank you🙏
You did give us the intuition about how it works but what about the formula and that 2pi in it? I can somewhat understand how plank's constant was there but how did 2pi show up there? It could probably be related to sine waves or the waves that define the position of electron but I need a more detailed explanation about how that formula was derived so plz make a video on that also. I think we would need a understanding of the schrodinger's wave equation (I already know about that though) so you may make a video related to that first and I will be curiously waiting for both of them.
Yea, I ran out of time for that. You can derive the expression using the single slit experiment actually. It's pretty cool.
It has to do with whether the Hertz frequency variant of Planck's constant matters, or whether the radian frequency version of Planck's constant matters.
The standard formula with Planck's constant uses Hertz frequency, which is E=h*f for the energy of the photon. Planck's constant therefore has the units, Joules per Hertz, and is the energy of a hypothetical 1 Hz photon.
The reduced Planck's constant, hbar, is h/(2*pi). This is what you'd get if you replace E=h*f with E=hbar*ω. The value of hbar has the units of Joules per (radian per second).
It's very common in differential equations, that the radian frequency is directly determined by the coefficients of the diffEQ, rather than the Hertz frequency. You may be familiar with this, from the frequency of a mass/spring being given by ω=sqrt(k/m), while the equivalent formula for Hertz frequency will be this divided by 2*pi. This is because the calculus of trig functions is most elegant, when the trig units are radians, rather than full cycles or degrees. You end up accumulating chain rule coefficients, if you try to make it work with other angle units.
Best explanation ever!! You nailed it again
I started learning uncertainty since grade 9, whenever this topic came up I tried my best to understand it but always failed, none of the explaination on books, internet fulfilled me. I wanted to learn the actual concept behind this, whether is it technological limitation or is it a universal truth. Now I’m in second year of college, finally understood the concept thanks to you,I can peacefully sleep rn