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What Are Particles? Do They ACTUALLY Exist?!
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268,427 Views • May 1, 2023 • Click to toggle off description
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:
   • Quantum Superposition, Explained With...  

Older video on Quantum Fields:
   • What is a Quantum Field?!?  
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SOURCES

www.forbes.com/sites/startswithabang/2019/04/25/th…
plato.stanford.edu/entries/quantum-field-theory/qf…

General Scientific Papers:
doi.org/10.1119/1.4789885
doi.org/10.1119/1.4812316

Feynman's Papers:
journals.aps.org/pr/abstract/10.1103/PhysRev.76.76…
journals.aps.org/pr/abstract/10.1103/PhysRev.80.44…
authors.library.caltech.edu/3520/1/FEYpr49b.pdf

Overview of Feynman Rules:
particle.phys.uvic.ca/~jalbert/424/lecture16r.pdf
web2.ph.utexas.edu/~vadim/Classes/2008f/QED.pdf
www.physics.mcgill.ca/~jcline/qft1b.pdf

Fundamental Constants:
pml.nist.gov/cuu/Constants/
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LINKS TO COMMENTS

   • Here are 3 ways a Multiverse could ex...  
   • Here are 3 ways a Multiverse could ex...  
   • Here are 3 ways a Multiverse could ex...  
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Werner Heisenberg:
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
Metadata And Engagement

Views : 268,427
Genre: Education
Date of upload: May 1, 2023 ^^


Rating : 4.92 (284/13,882 LTDR)
RYD date created : 2024-05-13T06:59:09.031724Z
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YouTube Comments - 1,588 Comments

Top Comments of this video!! :3

@SaniFakhouri

1 year ago

The "Waaoooommm" sound effect that plays everytime a 'disturbance' happens in a quantum field is fantastic.

439 |

@JohnSalchichon2

1 year ago

I am a student of physics, whenever I think something is impossible to explain to a physics illiterate you come and show me that it is I who is illiterate in teaching hahahahaha

67 |

@ashroskell

1 year ago

This is such a great system of teaching, whereby the Explainer has to explain to a smart person who is not an expert. Thereby testing the Explainer’s capacity to teach and causing growth in both the audience and the teacher. Plus, it’s just a really entertaining format. We are all in the position of your wife, who is asking questions that we would ask, making her a great analogue for your audience. It’s a wonderful service you are doing for science, which deserves plaudits and recognition. Thank you for that. 👍

198 |

@zbop220

1 year ago

Ive watched lots of documentaries, read articles and books, scientist interviews and youtubers. You have done the most to supply critically missing puzzle pieces that clarify the picture, make things make sense, and make me say "OOH!" Its the little details.

183 |

@thomziq

1 year ago

I'm still in shock because of how underappreciated this channel is compared to the quality of content it has! Keep up the good work! :D

129 |

@serronpdub

1 year ago

The episodes when you explain quantum mechanics to your wife, are by far my favorite uploads. I would love to have her add in her comments/thoughts in a bubble or something into your normal uploads. Does not have to be many. Maybe 2-4 per episode.

321 |

@kwaherikwasasa

1 year ago

Feynman was once asked if he could explain Quantum Electro Dynamics so that a lay person could understand it, and he replied, "No." As a certified lay person, I can say you have made some progress in that direction. Also, I have read most of Feynman's books, and they are extremely readable for those of us who are fascinated by the topic but have had nothing more than high school calculus. He was a fascinating person.

34 |

@Muladeseis

1 year ago

I liked the animation of the Feymann diagrams rotating, very explanatory.

3 |

@furqanshariff

1 year ago

The competitive advantage he has above other youtubers is that, he is clear of what he is saying even during an explanation, which makes us think it is easy to understand

84 |

@tkgsingsct

1 year ago

Your wife asks my questions!! Super helpful for folks not great with math, thanks for this channel. I think this is the first time I've been confident I have a basic grasp of what quantum field theory actually is (and I'm rather dense, that's a big deal!). 😊

25 |

@abdullahkor5465

1 year ago

Well, I think I really needed a video like this. Things get very weird at quantum level and thus you can't be sure what's going on. You made my day sir, thanks!

87 |

@joshuascholar3220

1 year ago

Best video on Feynman diagrams, and I've seen them all. Having your wife there to explain things to seems to have inspired you to explain things much better.

28 |

@philochristos

1 year ago

Nick, you are an exceptional communicator, and your wife is such a good sport.

9 |

@MrPooPooJohn

1 year ago

I love when you and your wife do videos together.

12 |

@camielwijffels

1 month ago

I love the part where you describe the Quantum Field Theory, and for that matter any science, as "a tool to solve problems" (16:32), and the only way you know it is correct because "it gives us answers that match reality" (16:46). For that is what, I think, science is really about. Making progressively more refined models of reality 1. to predict the future more closely, 2. describing/explaining reality more correctly, 3. enlarging our knowledgebase, 4. fidning solutions to current problems, etcetera. Thanks for this beautiful insight.

2 |

@markwarburton8563

1 year ago

The best simple explanation of Feynman diagrams I've seen. Awesome!

3 |

@wefinishthisnow3883

1 year ago

I just wanted to say that I love that despite having over half a million subscribers, Nick actually reads and responds to so many of the comments. Another great video Nick!

19 |

@johnharriott7878

1 year ago

It’s mind bending to think the entire universe, including us are just disturbances of energy fields. Truly amazing

6 |

@baptistebauer99

1 year ago

I LOVE these episodes where you explain things to your wife. It reminds me of Physics Girl's "explaining to my editor" series (wishing her a fast and complete recovery), but you have a much calmer approach. These are incredible.

20 |

@samarthpatil2053

1 year ago

First view❤ I've been following your videos from a long time and I've been benefitted a lot... I've gain more knowledge through your channel... I really like ur humor a lot... Thanks brother❤😊

13 |

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