Quantum mechanics (QM; also known as quantum physics or quantum theory) including quantum field theory, is a fundamental branch of physics concerned with processes involving, for example, atoms and photons. In such processes, said to be quantized, the action has been observed to be only in integer multiples of the Planck constant, a physical quantity that is exceedingly, indeed perhaps ultimately, small. This is utterly inexplicable in classical physics.
The mathematical formulations of quantum mechanics are those mathematical formalisms that permit a rigorous description of quantum mechanics. Such are distinguished from mathematical formalisms for theories developed prior to the early 1900s by the use of abstract mathematical structures, such as infinite-dimensional Hilbert spaces and operators on these spaces. Many of these structures are drawn from functional analysis, a research area within pure mathematics that was influenced in part by the needs of quantum mechanics. In brief, values of physical observables such as energy and momentum were no longer considered as values of functions on phase space, but as eigenvalues; more precisely: as spectral values (point spectrum plus absolute continuous plus singular continuous spectrum) of linear operators in Hilbert space.
These formulations of quantum mechanics continue to be used today. At the heart of the description are ideas of quantum state and quantum observable which are radically different from those used in previous models of physical reality. While the mathematics permits calculation of many quantities that can be measured experimentally, there is a definite theoretical limit to values that can be simultaneously measured. This limitation was first elucidated by Heisenberg through a thought experiment, and is represented mathematically in the new formalism by the non-commutativity of operators representing quantum observables.
Quantum mechanics is the science of the very small: the body of scientific principles that explains the behaviour of matter and its interactions with energy on the scale of atoms and subatomic particles.
Classical physics explains matter and energy on a scale familiar to human experience, including the behaviour of astronomical bodies. It remains the key to measurement for much of modern science and technology. However, towards the end of the 19th century, scientists discovered phenomena in both the large (macro) and the small (micro) worlds that classical physics could not explain. As Thomas Kuhn explains in his analysis of the philosophy of science, The Structure of Scientific Revolutions, coming to terms with these limitations led to two major revolutions in physics which created a shift in the original scientific paradigm: the theory of relativity and the development of quantum mechanics. This article describes how physicists discovered the limitations of classical physics and developed the main concepts of the quantum theory that replaced it in the early decades of the 20th century. These concepts are described in roughly the order in which they were first discovered. For a more complete history of the subject, see History of quantum mechanics.
Brian Cox explains quantum mechanics in 60 seconds - BBC News
Subscribe to BBC News www.youtube.com/bbcnews
British physicist Brian Cox is challenged by the presenter of Radio 4's 'Life Scientific', Jim Al-Khalili, to explain the rules of quantum mechanics in just a minute. Brian succeeds; while conceding that the idea that everything is inherently probabilistic, is challenging. Even Einstein found it difficult.
http://www.bbc.co.uk/programmes/b04hvx9z
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published: 23 Sep 2014
What Is Quantum Mechanics Explained
You are currently facing one of the most important equations of all time.
It is called the Schrödinger wave equation.
Let me explain why it is so beautiful.
First of all, as you can see, it is really simple.
Usually, in the Physics world, simple and elegant formulas are the most important ones.
Even Einstein had this strong belief: that the world and the universe could have been described by means of some...cute formulas. A well-built theory is usually visually good in terms of equations.
As Einstein himself said:
“It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience.”
- -
"If You happen to see any content that ...
published: 10 Feb 2022
If You Don't Understand Quantum Physics, Try This!
A simple and clear explanation of all the important features of quantum physics that you need to know. Check out this video's sponsor https://brilliant.org/dos
I have spent a lot of time thinking about how best to explain quantum physics and this is the result of all my hours of pondering, and I’m really happy with how it turned out. I decided to just explain it as it actually is, rather than rely on analogies. The video explains the quantum wavefunction, particle-wave duality, the measurement problem, the double-slit experiment, superposition, entanglement, quantum tunnelling, the Heisenberg uncertainty principle, and energy quantisation. Let me know if it was helpful! Cheers Dx
#quantum #physics #DomainOfScience
You can get the posters and other merch here:
https://store.dftba.com/col...
published: 25 Feb 2019
Quantum Mechanics Explained in Ridiculously Simple Words
Quantum physics deals with the foundation of our world – the electrons in an atom, the protons inside the nucleus, the quarks that build those protons, and the photons that we perceive as light. These constitute everything that we are made of, both matter and energy. But how is it any different from regular physics? The 'regular' physics is the physics that deals with Newton’s laws of motion and its related mechanics. This is more formally called Classical Physics.
This is the physics of our day-to-day lives—the rolling of balls, the rotation of the earth, and the mechanics of engines. Quantum physics deals with particles that are incredibly small and hence, the laws of classical physics don’t apply in this world. In this video, we discuss the meaning of quantum physics and how is it goin...
published: 06 Jul 2022
Quantum Mechanics
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Quantum Mechanics · Ludwig Göransson
Oppenheimer (Original Motion Picture Soundtrack)
℗ 2023 Back Lot Music, a Division of Universal Studios Music LLLP
Released on: 2023-07-21
Main Artist: Ludwig Göransson
Producer: Ludwig Göransson
Composer: Ludwig Göransson
Auto-generated by YouTube.
published: 20 Jul 2023
Quantum Mechanics - Part 1: Crash Course Physics #43
What is light? That is something that has plagued scientists for centuries. It behaves like a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces the idea of quantum mechanics and how it helps us understand light. Also, there's this thing called the ULTRAVIOLET CATASTROPHE!
--
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
--
Want to find Crash Course elsewhere on the internet?
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published: 03 Mar 2017
Why Quantum Mechanics Is an Inconsistent Theory | Roger Penrose & Jordan Peterson
Watch the full episode - https://youtu.be/Qi9ys2j1ncg
Dr. Peterson recently traveled to the UK for a series of lectures at the highly esteemed Universities of Oxford and Cambridge. This conversation was recorded during that period with Sir Roger Penrose, a British mathematical physicist who was awarded the 2020 Nobel Prize in Physics for “discovering that black hole formation is a robust predictor of Einstein’s general relativity.” Moderated by Dr. Stephen Blackwood.
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published: 15 Apr 2022
Schrödinger's cat: A thought experiment in quantum mechanics - Chad Orzel
View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel
Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment.
Lesson by Chad Orzel, animation by Agota Vegso.
published: 14 Oct 2014
How Time Travelling become Possible #TimeTravel #Wormholes #QuantumMechanics #Paradoxes #TimeMachine
Dive into the captivating world / Time travel / Theoretical concepts / Time dilation / Wormholes / Quantum mechanics / Famous paradoxes / Grandfather Paradox / Bootstrap Paradox / Multiverse theory / Parallel universes / Time travel in popular culture / Movies / Books / TV shows / No one knows if time travel is possible / Quest for answers / Fascinates and inspires
published: 14 Jul 2024
Particles and waves: The central mystery of quantum mechanics - Chad Orzel
View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel
One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad Orzel recounts the string of scientists who built on each other’s discoveries to arrive at this ‘central mystery’ of quantum mechanics.
Lesson by Chad Orzel, animation by Joana Bartolomeu.
Subscribe to BBC News www.youtube.com/bbcnews
British physicist Brian Cox is challenged by the presenter of Radio 4's 'Life Scientific', Jim Al-Khalili, to expl...
Subscribe to BBC News www.youtube.com/bbcnews
British physicist Brian Cox is challenged by the presenter of Radio 4's 'Life Scientific', Jim Al-Khalili, to explain the rules of quantum mechanics in just a minute. Brian succeeds; while conceding that the idea that everything is inherently probabilistic, is challenging. Even Einstein found it difficult.
http://www.bbc.co.uk/programmes/b04hvx9z
Subscribe to BBC News HERE http://bit.ly/1rbfUog
Check out our website: http://www.bbc.com/news
Facebook: http://www.facebook.com/bbcworldnews
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Subscribe to BBC News www.youtube.com/bbcnews
British physicist Brian Cox is challenged by the presenter of Radio 4's 'Life Scientific', Jim Al-Khalili, to explain the rules of quantum mechanics in just a minute. Brian succeeds; while conceding that the idea that everything is inherently probabilistic, is challenging. Even Einstein found it difficult.
http://www.bbc.co.uk/programmes/b04hvx9z
Subscribe to BBC News HERE http://bit.ly/1rbfUog
Check out our website: http://www.bbc.com/news
Facebook: http://www.facebook.com/bbcworldnews
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You are currently facing one of the most important equations of all time.
It is called the Schrödinger wave equation.
Let me explain why it is so beautiful.
...
You are currently facing one of the most important equations of all time.
It is called the Schrödinger wave equation.
Let me explain why it is so beautiful.
First of all, as you can see, it is really simple.
Usually, in the Physics world, simple and elegant formulas are the most important ones.
Even Einstein had this strong belief: that the world and the universe could have been described by means of some...cute formulas. A well-built theory is usually visually good in terms of equations.
As Einstein himself said:
“It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience.”
- -
"If You happen to see any content that is yours, and we didn't give credit in the right manner please let us know at [email protected] and we will correct it immediately"
"Some of our visual content is under an Attribution-ShareAlike license. (https://creativecommons.org/licenses/) in its different versions such as 1.0, 2.0, 3,0, and 4.0 – permitting commercial sharing with attribution given in each picture accordingly in the video."
Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO/ Flickr
Video Chapters:
00:00 Intro
01:48 What is Quantum Mechanics
04:24 Duality paradox
05:05 Double-slit experiment
#insanecuriosity #quantummechanics #schrodingerwaveequation
You are currently facing one of the most important equations of all time.
It is called the Schrödinger wave equation.
Let me explain why it is so beautiful.
First of all, as you can see, it is really simple.
Usually, in the Physics world, simple and elegant formulas are the most important ones.
Even Einstein had this strong belief: that the world and the universe could have been described by means of some...cute formulas. A well-built theory is usually visually good in terms of equations.
As Einstein himself said:
“It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience.”
- -
"If You happen to see any content that is yours, and we didn't give credit in the right manner please let us know at [email protected] and we will correct it immediately"
"Some of our visual content is under an Attribution-ShareAlike license. (https://creativecommons.org/licenses/) in its different versions such as 1.0, 2.0, 3,0, and 4.0 – permitting commercial sharing with attribution given in each picture accordingly in the video."
Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO/ Flickr
Video Chapters:
00:00 Intro
01:48 What is Quantum Mechanics
04:24 Duality paradox
05:05 Double-slit experiment
#insanecuriosity #quantummechanics #schrodingerwaveequation
A simple and clear explanation of all the important features of quantum physics that you need to know. Check out this video's sponsor https://brilliant.org/dos ...
A simple and clear explanation of all the important features of quantum physics that you need to know. Check out this video's sponsor https://brilliant.org/dos
I have spent a lot of time thinking about how best to explain quantum physics and this is the result of all my hours of pondering, and I’m really happy with how it turned out. I decided to just explain it as it actually is, rather than rely on analogies. The video explains the quantum wavefunction, particle-wave duality, the measurement problem, the double-slit experiment, superposition, entanglement, quantum tunnelling, the Heisenberg uncertainty principle, and energy quantisation. Let me know if it was helpful! Cheers Dx
#quantum #physics #DomainOfScience
You can get the posters and other merch here:
https://store.dftba.com/collections/domain-of-science
Or posters for outside the US here:
https://www.redbubble.com/people/dominicwalliman
I have also made versions available for educational use which you can find here: https://www.flickr.com/photos/95869671@N08/
If you want to check out my Professor Astro Cat books go here:
http://profastrocat.com
Thanks so much to my supporters on Patreon. If you enjoy my videos and would like to help me make more this is the best way and I appreciate it very much. https://www.patreon.com/domainofscience
Further reading
For a more detailed introduction to quantum physics: 'The Quantum Universe' by Brian Cox and Jeff Forshaw is good.
And a slightly more advanced but fantastic description of what we do and don't know about quantum physics is the excellent book 'Beyond Weird' by Philip Ball.
Music by
Dominic ‘Wibblyfingers’ Walliman
Find me on twitter, instagram, and my website:
http://dominicwalliman.com
https://twitter.com/DominicWalliman
https://www.instagram.com/dominicwalliman
https://www.facebook.com/domainofscience
https://www.patreon.com/domainofscience
A simple and clear explanation of all the important features of quantum physics that you need to know. Check out this video's sponsor https://brilliant.org/dos
I have spent a lot of time thinking about how best to explain quantum physics and this is the result of all my hours of pondering, and I’m really happy with how it turned out. I decided to just explain it as it actually is, rather than rely on analogies. The video explains the quantum wavefunction, particle-wave duality, the measurement problem, the double-slit experiment, superposition, entanglement, quantum tunnelling, the Heisenberg uncertainty principle, and energy quantisation. Let me know if it was helpful! Cheers Dx
#quantum #physics #DomainOfScience
You can get the posters and other merch here:
https://store.dftba.com/collections/domain-of-science
Or posters for outside the US here:
https://www.redbubble.com/people/dominicwalliman
I have also made versions available for educational use which you can find here: https://www.flickr.com/photos/95869671@N08/
If you want to check out my Professor Astro Cat books go here:
http://profastrocat.com
Thanks so much to my supporters on Patreon. If you enjoy my videos and would like to help me make more this is the best way and I appreciate it very much. https://www.patreon.com/domainofscience
Further reading
For a more detailed introduction to quantum physics: 'The Quantum Universe' by Brian Cox and Jeff Forshaw is good.
And a slightly more advanced but fantastic description of what we do and don't know about quantum physics is the excellent book 'Beyond Weird' by Philip Ball.
Music by
Dominic ‘Wibblyfingers’ Walliman
Find me on twitter, instagram, and my website:
http://dominicwalliman.com
https://twitter.com/DominicWalliman
https://www.instagram.com/dominicwalliman
https://www.facebook.com/domainofscience
https://www.patreon.com/domainofscience
Quantum physics deals with the foundation of our world – the electrons in an atom, the protons inside the nucleus, the quarks that build those protons, and the ...
Quantum physics deals with the foundation of our world – the electrons in an atom, the protons inside the nucleus, the quarks that build those protons, and the photons that we perceive as light. These constitute everything that we are made of, both matter and energy. But how is it any different from regular physics? The 'regular' physics is the physics that deals with Newton’s laws of motion and its related mechanics. This is more formally called Classical Physics.
This is the physics of our day-to-day lives—the rolling of balls, the rotation of the earth, and the mechanics of engines. Quantum physics deals with particles that are incredibly small and hence, the laws of classical physics don’t apply in this world. In this video, we discuss the meaning of quantum physics and how is it going to change how we perceive the world around us.
#quantumphysics #quantummechanics #quantumworld
References:
https://scienceexchange.caltech.edu/topics/quantum-science-explained/quantum-physics
https://www.insidescience.org/second-quantum-revolution/quantum-history
https://link.springer.com/chapter/10.1007/978-94-010-1440-3_7
Original Article Link: https://www.scienceabc.com/pure-sciences/what-is-quantum-physics.html
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Quantum physics deals with the foundation of our world – the electrons in an atom, the protons inside the nucleus, the quarks that build those protons, and the photons that we perceive as light. These constitute everything that we are made of, both matter and energy. But how is it any different from regular physics? The 'regular' physics is the physics that deals with Newton’s laws of motion and its related mechanics. This is more formally called Classical Physics.
This is the physics of our day-to-day lives—the rolling of balls, the rotation of the earth, and the mechanics of engines. Quantum physics deals with particles that are incredibly small and hence, the laws of classical physics don’t apply in this world. In this video, we discuss the meaning of quantum physics and how is it going to change how we perceive the world around us.
#quantumphysics #quantummechanics #quantumworld
References:
https://scienceexchange.caltech.edu/topics/quantum-science-explained/quantum-physics
https://www.insidescience.org/second-quantum-revolution/quantum-history
https://link.springer.com/chapter/10.1007/978-94-010-1440-3_7
Original Article Link: https://www.scienceabc.com/pure-sciences/what-is-quantum-physics.html
If you wish to buy/license this video, please write to us at [email protected].
Voice Over Artist: John Staughton ( https://www.fiverr.com/jswildwood )
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Provided to YouTube by Back Lot Music
Quantum Mechanics · Ludwig Göransson
Oppenheimer (Original Motion Picture Soundtrack)
℗ 2023 Back Lot Music, a Division...
Provided to YouTube by Back Lot Music
Quantum Mechanics · Ludwig Göransson
Oppenheimer (Original Motion Picture Soundtrack)
℗ 2023 Back Lot Music, a Division of Universal Studios Music LLLP
Released on: 2023-07-21
Main Artist: Ludwig Göransson
Producer: Ludwig Göransson
Composer: Ludwig Göransson
Auto-generated by YouTube.
Provided to YouTube by Back Lot Music
Quantum Mechanics · Ludwig Göransson
Oppenheimer (Original Motion Picture Soundtrack)
℗ 2023 Back Lot Music, a Division of Universal Studios Music LLLP
Released on: 2023-07-21
Main Artist: Ludwig Göransson
Producer: Ludwig Göransson
Composer: Ludwig Göransson
Auto-generated by YouTube.
What is light? That is something that has plagued scientists for centuries. It behaves like a wave... and a particle... what? Is it both? In this episode of Cra...
What is light? That is something that has plagued scientists for centuries. It behaves like a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces the idea of quantum mechanics and how it helps us understand light. Also, there's this thing called the ULTRAVIOLET CATASTROPHE!
--
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
--
Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashC...
Twitter - http://www.twitter.com/TheCrashCourse
Tumblr - http://thecrashcourse.tumblr.com
Support CrashCourse on Patreon: http://www.patreon.com/crashcourse
CC Kids: http://www.youtube.com/crashcoursekids
What is light? That is something that has plagued scientists for centuries. It behaves like a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces the idea of quantum mechanics and how it helps us understand light. Also, there's this thing called the ULTRAVIOLET CATASTROPHE!
--
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
--
Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashC...
Twitter - http://www.twitter.com/TheCrashCourse
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Support CrashCourse on Patreon: http://www.patreon.com/crashcourse
CC Kids: http://www.youtube.com/crashcoursekids
Watch the full episode - https://youtu.be/Qi9ys2j1ncg
Dr. Peterson recently traveled to the UK for a series of lectures at the highly esteemed Universities of ...
Watch the full episode - https://youtu.be/Qi9ys2j1ncg
Dr. Peterson recently traveled to the UK for a series of lectures at the highly esteemed Universities of Oxford and Cambridge. This conversation was recorded during that period with Sir Roger Penrose, a British mathematical physicist who was awarded the 2020 Nobel Prize in Physics for “discovering that black hole formation is a robust predictor of Einstein’s general relativity.” Moderated by Dr. Stephen Blackwood.
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Watch the full episode - https://youtu.be/Qi9ys2j1ncg
Dr. Peterson recently traveled to the UK for a series of lectures at the highly esteemed Universities of Oxford and Cambridge. This conversation was recorded during that period with Sir Roger Penrose, a British mathematical physicist who was awarded the 2020 Nobel Prize in Physics for “discovering that black hole formation is a robust predictor of Einstein’s general relativity.” Moderated by Dr. Stephen Blackwood.
// SUPPORT THIS CHANNEL //
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View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel
Austrian physicist Erwin Schrödinger, one of...
View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel
Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment.
Lesson by Chad Orzel, animation by Agota Vegso.
View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel
Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment.
Lesson by Chad Orzel, animation by Agota Vegso.
Dive into the captivating world / Time travel / Theoretical concepts / Time dilation / Wormholes / Quantum mechanics / Famous paradoxes / Grandfather Paradox / ...
Dive into the captivating world / Time travel / Theoretical concepts / Time dilation / Wormholes / Quantum mechanics / Famous paradoxes / Grandfather Paradox / Bootstrap Paradox / Multiverse theory / Parallel universes / Time travel in popular culture / Movies / Books / TV shows / No one knows if time travel is possible / Quest for answers / Fascinates and inspires
Dive into the captivating world / Time travel / Theoretical concepts / Time dilation / Wormholes / Quantum mechanics / Famous paradoxes / Grandfather Paradox / Bootstrap Paradox / Multiverse theory / Parallel universes / Time travel in popular culture / Movies / Books / TV shows / No one knows if time travel is possible / Quest for answers / Fascinates and inspires
View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel
One of the most amazing facts in physics is...
View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel
One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad Orzel recounts the string of scientists who built on each other’s discoveries to arrive at this ‘central mystery’ of quantum mechanics.
Lesson by Chad Orzel, animation by Joana Bartolomeu.
View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel
One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad Orzel recounts the string of scientists who built on each other’s discoveries to arrive at this ‘central mystery’ of quantum mechanics.
Lesson by Chad Orzel, animation by Joana Bartolomeu.
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British physicist Brian Cox is challenged by the presenter of Radio 4's 'Life Scientific', Jim Al-Khalili, to explain the rules of quantum mechanics in just a minute. Brian succeeds; while conceding that the idea that everything is inherently probabilistic, is challenging. Even Einstein found it difficult.
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You are currently facing one of the most important equations of all time.
It is called the Schrödinger wave equation.
Let me explain why it is so beautiful.
First of all, as you can see, it is really simple.
Usually, in the Physics world, simple and elegant formulas are the most important ones.
Even Einstein had this strong belief: that the world and the universe could have been described by means of some...cute formulas. A well-built theory is usually visually good in terms of equations.
As Einstein himself said:
“It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience.”
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Video Chapters:
00:00 Intro
01:48 What is Quantum Mechanics
04:24 Duality paradox
05:05 Double-slit experiment
#insanecuriosity #quantummechanics #schrodingerwaveequation
A simple and clear explanation of all the important features of quantum physics that you need to know. Check out this video's sponsor https://brilliant.org/dos
I have spent a lot of time thinking about how best to explain quantum physics and this is the result of all my hours of pondering, and I’m really happy with how it turned out. I decided to just explain it as it actually is, rather than rely on analogies. The video explains the quantum wavefunction, particle-wave duality, the measurement problem, the double-slit experiment, superposition, entanglement, quantum tunnelling, the Heisenberg uncertainty principle, and energy quantisation. Let me know if it was helpful! Cheers Dx
#quantum #physics #DomainOfScience
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Further reading
For a more detailed introduction to quantum physics: 'The Quantum Universe' by Brian Cox and Jeff Forshaw is good.
And a slightly more advanced but fantastic description of what we do and don't know about quantum physics is the excellent book 'Beyond Weird' by Philip Ball.
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Quantum physics deals with the foundation of our world – the electrons in an atom, the protons inside the nucleus, the quarks that build those protons, and the photons that we perceive as light. These constitute everything that we are made of, both matter and energy. But how is it any different from regular physics? The 'regular' physics is the physics that deals with Newton’s laws of motion and its related mechanics. This is more formally called Classical Physics.
This is the physics of our day-to-day lives—the rolling of balls, the rotation of the earth, and the mechanics of engines. Quantum physics deals with particles that are incredibly small and hence, the laws of classical physics don’t apply in this world. In this video, we discuss the meaning of quantum physics and how is it going to change how we perceive the world around us.
#quantumphysics #quantummechanics #quantumworld
References:
https://scienceexchange.caltech.edu/topics/quantum-science-explained/quantum-physics
https://www.insidescience.org/second-quantum-revolution/quantum-history
https://link.springer.com/chapter/10.1007/978-94-010-1440-3_7
Original Article Link: https://www.scienceabc.com/pure-sciences/what-is-quantum-physics.html
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Quantum Mechanics · Ludwig Göransson
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What is light? That is something that has plagued scientists for centuries. It behaves like a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces the idea of quantum mechanics and how it helps us understand light. Also, there's this thing called the ULTRAVIOLET CATASTROPHE!
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Watch the full episode - https://youtu.be/Qi9ys2j1ncg
Dr. Peterson recently traveled to the UK for a series of lectures at the highly esteemed Universities of Oxford and Cambridge. This conversation was recorded during that period with Sir Roger Penrose, a British mathematical physicist who was awarded the 2020 Nobel Prize in Physics for “discovering that black hole formation is a robust predictor of Einstein’s general relativity.” Moderated by Dr. Stephen Blackwood.
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View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel
Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state of the cat when that time is up? Chad Orzel investigates this thought experiment.
Lesson by Chad Orzel, animation by Agota Vegso.
Dive into the captivating world / Time travel / Theoretical concepts / Time dilation / Wormholes / Quantum mechanics / Famous paradoxes / Grandfather Paradox / Bootstrap Paradox / Multiverse theory / Parallel universes / Time travel in popular culture / Movies / Books / TV shows / No one knows if time travel is possible / Quest for answers / Fascinates and inspires
View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel
One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad Orzel recounts the string of scientists who built on each other’s discoveries to arrive at this ‘central mystery’ of quantum mechanics.
Lesson by Chad Orzel, animation by Joana Bartolomeu.
Quantum mechanics (QM; also known as quantum physics or quantum theory) including quantum field theory, is a fundamental branch of physics concerned with processes involving, for example, atoms and photons. In such processes, said to be quantized, the action has been observed to be only in integer multiples of the Planck constant, a physical quantity that is exceedingly, indeed perhaps ultimately, small. This is utterly inexplicable in classical physics.
it's been so long it seems since summer's captivation. entranced in nightly dreams, you can't escape these memories. reasons turned into excuses, the one's that i abused. spinning you round in circles, out of breathe and leaving you confused. the miles in between us. forcing different worlds apart. exposing these lost feelings i know now where you stand. now that i see you never really had my heart. stop doubting what was said and just know that i am right. cause im losing all my strength and i cant take another fight. if we wait until then we would know that time was on our side. but you had to act to quick on the feelings you can't hide. your voice was broken cracking from the need for air. the noise that soothes me to sleep. your tears came falling, grasping black and writing, my name upon your cheeks. and as i open this letter, i skim the words bathed in your perfume and they said, "why cant we see forever. our differences will bring us together hiding truths that made us unstable now i regret every moment i forgave you". and that's all i have to remember cause that's all i found