Quantum 101 Episode 2: Quantization Explained

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  • Опубліковано 10 тра 2024
  • Some of the most important breakthroughs in physics came about due to the discovery that energy is quantized.
    This video discusses what quantum really means, and how discoveries in the past ended up defining essential parts of quantum mechanics today.
    Join Katie Mack, Perimeter Institute’s Hawking Chair in Cosmology and Science Communication, over 10 short forays into the weird, wonderful world of quantum science. Episodes are published weekly, subscribe to our channel so you don’t miss an update.
    Want to learn more about quantum concepts? Visit perimeterinstitute.ca/quantum... to access free resources.
    Follow our host "AstroKatie" Katie Mack:
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    Perimeter Institute (charitable registration number 88981 4323 RR0001) is the world’s largest independent research hub devoted to theoretical physics, created to foster breakthroughs in the fundamental understanding of our universe, from the smallest particles to the entire cosmos. Be part of the equation: perimeterinstitute.ca/donate
  • Наука та технологія

КОМЕНТАРІ • 36

  • @Inquiring_Together
    @Inquiring_Together 10 місяців тому +14

    lol, the stairs part is a great way to describe this dynamic. Perhaps the bits of pixelated space and the quantization of gravity can even lead to the quantization of time, as found in chronon field theory. Its an exciting time for physicists. As well as for science communicators. So many more tools to describe the elegance within the chaos.

    • @RazvanCHIOREANgallery
      @RazvanCHIOREANgallery 9 місяців тому

      Indeed! The pixelated bits in quantization is just mind blowing. Literally, not even sky is the limit anymore.

  • @shibeshi2637
    @shibeshi2637 9 місяців тому +10

    You are really a good teacher explaining concepts in an easy way. Thanks.

  • @nassermfouaponyoussouf
    @nassermfouaponyoussouf 7 місяців тому +3

    Excellent and simple explanation. Thank you, Katie

  • @Pottery4Life
    @Pottery4Life 10 місяців тому +1

    Thank you, Katie.

  • @liecerberus5647
    @liecerberus5647 5 місяців тому +2

    THis's so helpful to me, thanks a lot.

  • @davidferrer6771
    @davidferrer6771 8 місяців тому +1

    Awesome!

  • @no-one-in-particular
    @no-one-in-particular 10 місяців тому +5

    You spoke about just discretisation of energy levels in the atom rather than quantisation in general. What about a free photon? It can have a continuum of energies by adjusting its frequency but is still a quantum object. Yes energy comes in lumps, but the lumps can be any size. This is often glossed over as in your video and people end up thinking that quantisation = discretisation when this is not true

    • @xenphoton5833
      @xenphoton5833 10 місяців тому +2

      I approve this message

    • @frun
      @frun 9 місяців тому +1

      Yes, physicts talk about continuous and descrete spectra. I wonder which one do phonons have. Ultimately, photons may not have a continuous spectrum for the same reason their energy has a cut-off.

  • @zakihumble
    @zakihumble Місяць тому

    Thanks nice explanation

  • @ibadaturrahman6720
    @ibadaturrahman6720 9 місяців тому +1

    Excellent.. difficult concepts are being explained in an easy way in a short video. Long videos are little boring.

  • @jackzhang7851
    @jackzhang7851 3 місяці тому

    Well made video👍

  • @kenechukwuorji2533
    @kenechukwuorji2533 2 місяці тому

    This video is underrated

  • @abhilashassariparambilraja2534
    @abhilashassariparambilraja2534 7 місяців тому

    why quantum entanglement slow down its speed if we are vigilante about it's speed

  • @jorgesaxon3781
    @jorgesaxon3781 4 місяці тому +1

    Ok but those stairs are really bad and have probably caused many accidents

  • @mayadebij9348
    @mayadebij9348 4 місяці тому

    great video! :) also the kind lady is giving greta gerwig energy in the best way. keep on slaying queen!!

  • @Deipnosophist_the_Gastronomer
    @Deipnosophist_the_Gastronomer 10 місяців тому

    If energy can only be emitted / absorbed in certain amounts, are these amounts related? I mean, stairs generally have a certain size, is there a specific size of these quanta?
    If they're unrelated, what happens when an electron that needs 'n' energy to jump to the next level is hit by a photon carrying '1.3n' energy?
    Is it possible that 'dark matter' isn't very noticeable because it absorbs / emits energy in a really uncommon quanta?
    So many questions. 😁

    • @DanielIsaacs
      @DanielIsaacs 9 місяців тому

      Nothing.

    • @frun
      @frun 9 місяців тому +2

      )Yes
      )Yes, each have its own wavelength
      )An electron won't absorb a photon in that case
      )Yes

  • @TheDanEdwards
    @TheDanEdwards 10 місяців тому

    A useful explanation for many people. One thing that is problematic, though, is the word "energy". For many people not trained in physics, _energy_ is a bit... magical. The word will show up in all sorts of terms that make no sense to physics, such as "psychic energy" or "spiritual energy" and so forth. So defining the word _energy_ in some useful way will help to reduce misunderstanding.

    • @frun
      @frun 9 місяців тому

      Susskind, in his lectures defined energy as something that is conserved. I speculate, that energy is simply information.

  • @sebastian_olthuis
    @sebastian_olthuis 4 місяці тому +1

    This whole idea of everything being in quantized Package if true would have some funny implications for the theory of us living in a simulation and not being able to prove otherwise 😂. This is exactly how a simulation or game based on current understanding would work in the way that it only shows the expected behavior when observed/measured for preserving ,,resources".
    If not viewed you would want a package easier to calculate value.
    Still think we don't live in a simulation but also could be biased due to not liking that option.

  • @paulb3151
    @paulb3151 9 місяців тому +1

    Ask paul rudd 🤣🤣

  • @OneVoiceGlobal
    @OneVoiceGlobal 2 місяці тому

    why yall learning quantam mechanics when u couldn't vibe in biology

    • @maddoxoehlke2598
      @maddoxoehlke2598 Місяць тому

      What

    • @OneVoiceGlobal
      @OneVoiceGlobal Місяць тому

      @@maddoxoehlke2598 Alright, imagine you're learning to play a super cool video game, but it's really, really hard and nothing like the other games you've played before. This new game is like quantum mechanics, a super tricky subject that even grown-ups find hard to understand. It talks about tiny things we can't see, like atoms and particles, and how they do some pretty wild stuff.
      Now, think back to when you were learning something a bit easier, maybe like biology. Biology is all about plants, animals, and how living things work. It's like a game you've played before, but maybe you didn't find it as fun or interesting, so you didn't get into it as much.
      So, the question is like asking, "Why are you jumping into this super hard new game when you weren't really into the easier game before?" It's kind of like skipping steps. But here's the thing - sometimes, the new, hard game (quantum mechanics) is so fascinating and different that it makes you excited to play and learn, even if you didn't enjoy the easier game (biology) as much. Plus, everyone likes different types of games, and that's okay! Some people might find the challenging stuff more interesting and want to jump right in.

    • @OneVoiceGlobal
      @OneVoiceGlobal Місяць тому

      @@maddoxoehlke2598
      Imagine you've spent years enjoying classic novels, appreciating the depth of characters and the twists of a well-told story. Then, suddenly, everyone's talking about a new, complex form of literature, let's call it "quantum literature." It's not just complex; it's on a completely different level, exploring concepts and narratives that bend your understanding of storytelling itself.
      Now, someone asks, "Why are you diving into this quantum literature when you didn't even enjoy the more straightforward stories in modern literature?"
      This question is like wondering why someone would leap into the complexities of quantum mechanics-a field of physics that challenges our basic understanding of reality with concepts like particles being in two places at once-when they didn't particularly enjoy or delve deeply into biology, which is more like the classic novels of science, dealing with the study of living organisms and life processes.
      The leap to quantum mechanics could be driven by curiosity for the new and seemingly unfathomable, or a quest for knowledge that promises to unveil the very fabric of the universe. It highlights a human tendency to be drawn to the unknown, the complex, and the profound, sometimes bypassing more familiar territories that don't ignite the same spark of intrigue.

  • @nikolazugic6033
    @nikolazugic6033 3 місяці тому +8

    Turn to our lord and saviour Jesus Christ so you can enter his kingdom of God and change your and others lives and souls in Jesus precious and almighty name amen and amen ❤❤❤❤❤❤❤❤❤❤❤❤🙏🙏🙏🙏😊😊

    • @OneVoiceGlobal
      @OneVoiceGlobal 2 місяці тому +4

      buddy 😢 wrong video

    • @OneVoiceGlobal
      @OneVoiceGlobal 2 місяці тому +1

      sure

    • @animediaries8482
      @animediaries8482 Місяць тому +2

      Check the topic of video bro..

    • @nikolazugic6033
      @nikolazugic6033 Місяць тому

      @@animediaries8482 doesn't mater jesus is our lord and should be always constant in everything think of your worst fear maybe it's heights and maybe it is your loved dying now imagine
      But it doesn't have an end in hell where it's always hot and "doesn't have an end" thing isn't like 100 may even 1000 years no it's forever never vending but that doesn't need to hapšen if you follow Chirst ohh and alsoo i forgoth science and religion aren't enemys me personal i am into science but also i try to stay close to the lord. That's it grom me naw will you follow thy lord? ❤️❤️❤️

    • @nikolazugic6033
      @nikolazugic6033 Місяць тому

      @@animediaries8482 also please read it till the end the bigger text❤️❤️❤️❣️❣️❣️🙏🙏🙏💙💙💙