Somewhere between 1926 and 1950, we gave up the concept of particles in favor of quantum fields. In this video, I explain the motivations for that to a non-physicist: my wife.
Nick Lucid - Host, Writer, Editor, Animator
Eric Aspling - Consulting Expert, Fact Checker
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VIDEO ANNOTATIONS/CARDS
Quantum Superposition:
https://youtu.be/ZUipVyVOm-Y
Older video on Quantum Fields:
https://youtu.be/Y7Ac8zKTD-E
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https://youtu.be/fG52mXN-uWI
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ScienceClic on Feynman Diagrams:
https://youtu.be/X-FEU4mQWtE
Domain of Science on Feynman Diagrams:
https://youtu.be/oBNZOOuqO6c
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SOURCES
https://www.forbes.com/sites/startswithabang/2019/04/25/this-is-why-quantum-field-theory-is-more-fundamental-than-quantum-mechanics/
https://plato.stanford.edu/entries/quantum-field-theory/qft-history.html
General Scientific Papers:
https://doi.org/10.1119/1.4789885
https://doi.org/10.1119/1.4812316
Feynman's Papers:
https://journals.aps.org/pr/abstract/10.1103/PhysRev.76.769
https://journals.aps.org/pr/abstract/10.1103/PhysRev.80.440
https://authors.library.caltech.edu/3520/1/FEYpr49b.pdf
Overview of Feynman Rules:
https://particle.phys.uvic.ca/~jalbert/424/lecture16r.pdf
https://web2.ph.utexas.edu/~vadim/Classes/2008f/QED.pdf
https://www.physics.mcgill.ca/~jcline/qft1b.pdf
Fundamental Constants:
https://pml.nist.gov/cuu/Constants/
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LINKS TO COMMENTS
https://www.youtube.com/watch?v=-cfN-QxJkjU&lc=UgzDewch3sHeuV8jzsZ4AaABAg
https://www.youtube.com/watch?v=-cfN-QxJkjU&lc=UgzT59P8sJ1XGtb5Zjh4AaABAg
https://www.youtube.com/watch?v=-cfN-QxJkjU&lc=Ugznx6jXeZbU_dE-97N4AaABAg
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IMAGE/VIDEO CREDITS
Richard Feynman Portrait:
https://repository.aip.org/islandora/object/nbla%3A301041
Louis de Broglie:
https://commons.wikimedia.org/wiki/File:Broglie_Big.jpg
Erwin Schrodinger:
https://repository.aip.org/islandora/object/nbla%3A308604
Werner Heisenberg:
https://repository.aip.org/islandora/object/nbla%3A298891
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TIME CODES
00:00 Cold Open
00:12 Getting a baseline
00:55 Matter and Light: What's it made of?
02:38 What is a Field?
04:09 What is a Wave?
05:33 What is a Quantum Field?
07:50 Quantum Fields Visualized
10:26 Feynman Diagrams Explained
12:20 Virtual Particles Explained
13:50 How to use Feynman Diagrams
15:05 Quantum Electrodynamics
18:15 What is its purposes?
18:40 Do particles exist?
19:14 Featured Comment