How Quantum Mechanics Saved Physics From Ovens

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  • Published on Nov 14, 2018
  • Skillshare is offering SciShow viewers two months of unlimited access to Skillshare for free! skl.sh/scishow-11
    You might think that quantum physics was discovered because of some super complicated electron behavior or something, but it was actually invented to explain ovens.
    Hosted by: Hank Green
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    Sources:
    galileo.phys.virginia.edu/classes/252/black_body_radiation.html
    galileo.phys.virginia.edu/classes/252/PlanckStory.pdf
    chem.libretexts.org/LibreTexts/Howard_University/Howard%3A_Physical_Chemistry_Laboratory/10._Blackbody_Radiation
    thexvid.com/video/FXfrncRey-4/video.html
    books.google.com/books?id=W5kyppVPyesC&lpg=PP1&pg=PA23#v=onepage&q&f=false
    www.researchgate.net/publication/267650295_A_Brief_History_of_the_T4_Radiation_Law
    www.nobelprize.org/prizes/physics/1911/wien/lecture/
    Image Sources:
    en.wikipedia.org/wiki/Max_Planck
    en.wikipedia.org/wiki/File:Einstein_1921_by_F_Schmutzer_-_restoration.jpg
    commons.wikimedia.org/wiki/File:Gustav_Robert_Kirchhoff.jpg
    en.wikipedia.org/wiki/Wilhelm_Wien#/media/File:Wilhelm_Wien_1911.jpg
    en.wikipedia.org/wiki/File:Mplwp_blackbody_nu_planck-wien-rj_5800K.svg
    en.wikipedia.org/wiki/John_William_Strutt,_3rd_Baron_Rayleigh#/media/File:John_William_Strutt.jpg

Comments • 1 078

  • SciShow
    SciShow  Year ago +136

    Skillshare is offering SciShow viewers two months of unlimited access to Skillshare for free! skl.sh/scishow-11

    • Sir William, Dragonlord of Cromlech
      Sir William, Dragonlord of Cromlech 17 days ago

      Never upset to see an ad in a video I thoroughly enjoy, but I wish you guys would have let the viewer know when the informational part ends and the advertisement begins. Even writing a more solid, conclusive closing statement would work. Anyway, love the video!

    • E2qNX8btraQ3zRD6J7fc
      E2qNX8btraQ3zRD6J7fc 4 months ago

      If I heat up a piece of tungsten up to 5500 Kelvin, it should be the same color as the sun, correct? Does that mean the tungsten filament in my lightbulb that puts it's light out at 5500 Kelvin; does that mean the filament in my bulb is 9440 degrees F (5500k)?

    • aoodreek
      aoodreek 5 months ago

      EL PSY CONGROO

    • JJ
      JJ 9 months ago

      SciShow the cat thing was a joke

  • AJ Zelinski
    AJ Zelinski 4 days ago +1

    I enjoy cheese puffs

  • AgeingBoyPsychic
    AgeingBoyPsychic 4 days ago

    I think Schrodinger's Cat thought experiment is a horribly flawed way of thinking, because it makes the assumption that only _human_ observation is capable of collapsing a waveform, and ignores the fact that the cat has its own consciousness, and a cat's going notice if a canister of poisonous gas is trying to kill it. If it were only _human consciousness_ that could collapse a waveform, it would mean dinosaurs never really existed, and they're just a figment of out god-like imaginations. Pretty arrogant and homocentric view, in my opinion...

  • NYAD
    NYAD 5 days ago

    W8 is SciShow part of Deutsche Welle now or wut?!1?1?

  • princessrose17
    princessrose17 8 days ago

    just putting it out there, I would be more likely to click on the Skill Share link about baking if i could see a scishow video where Hank is baking. (hey there is lots of science in baking - I think we need a video for it)

  • Paddle On Drew
    Paddle On Drew 18 days ago

    We English and german contributed so much to science , one day I'll experience Germany after uni ( where I'm studying science such a nerd Lol 😁) i want to live in such an amazing country ! Shame about brexit 😂

  • WildStar2002
    WildStar2002 18 days ago +1

    Quantized pirates forced Physics to walk the Planck.

  • Gentleman Fox
    Gentleman Fox 18 days ago

    das ist großartig

    No I’m not German. It’s called google translate

  • Osama Ali
    Osama Ali 24 days ago

    you can make explanation alot more easier by adding motion graphics to video. rather then just giving a speech

  • Clifford Williams
    Clifford Williams 24 days ago

    I keep seeing this guy all over the place!

  • Killerspieler0815
    Killerspieler0815 25 days ago

    @SciShow -
    YES , Germany was great in science before ~1940 ( & one of the leading nations)

  • Ali Mahjoori
    Ali Mahjoori 27 days ago

    I cant help but to imagine salt bae when our sassy Max Planck was about to toss a negative sign into the equation 8:59 😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

  • Anarchy Antz
    Anarchy Antz Month ago

    Ovens broke physics. I thought that was the Cat's job?

  • Lachlan Hamilton
    Lachlan Hamilton Month ago

    If energy comes in packets, no wonder the oceans are full of plastic!

  • rodjacksonx
    rodjacksonx Month ago

    Radical Ideologues: Men and women are effectively the same, gender is a social construct.
    Science: If some part of the world, even a simple one, says NO to your theory, you eventually have to stop fighting reality.
    Radical Ideologues: REEEEEEEEE!!!!!

  • Tzisorey Tigerwuf
    Tzisorey Tigerwuf Month ago

    Is that the same Rayleigh from Rayleigh scattering?

  • cosmos and physical laws

    engineering-and-science.com/planck-law.html

  • Ryan Greenwood
    Ryan Greenwood Month ago

    the solution is always to have faith

  • FB Kensar HD
    FB Kensar HD Month ago

    Kinda like my dissertation.
    I got no idea why it works, but it works. 😂

  • tricia wonlove
    tricia wonlove Month ago

    Dooblydoo.

  • Bill Does Stuff
    Bill Does Stuff Month ago

    If you want to know more about famous Quantum Physics debates, Albert Einstein and Niels Bohr had some and the story is kind of interesting. They had a rivalry, but they respected each other and Einstein did manage to challenge Bohr successfully, but Bohr was extremely smart and hard to beat. Had it not been for Einstein, Bohr would have had an even bigger ego than he already had, Einstein took him down a peg or two by challenging him with things he could not answer (which was unusual for Bohr). It forced him to think and reconsider his opinions, which made Bohr and Einstein better. Had this friendly rivalry not existed, it would have led to less knowledge. Every day Einstein would come with a new question/challenge for Bohr and most of the time Bohr shot him down, but there were times when Bohr had no answer and was intrigued by Einstein, hence their "friendly" rivalry.

  • Hotwheels !!!
    Hotwheels !!! Month ago

    “So, physicists were stuck. ...which, happens every once in awhile!”
    Haha... ah... *whimpering tears*

  • Maynard Johnson
    Maynard Johnson Month ago

    Fuckin' integers... I hate whole numbers... You know that the whole cat violence thing is why you physics nerds never get it right, you can't unify anything. You couldn't unify your way out of a wet paper bag. You are focusing on cat violence way too much.
    The key is that it's dead puppies all of the way down. If you can't say something nice about cats, say something surreal.

  • JamesG
    JamesG Month ago

    I have a question. How is it that a guy who says, AND SINCERELY MEANS:
    "If some part of the world, even a simple one, says 'no' to your theory, you eventually have to stop fighting reality. Some assumption your theory makes must be wrong."
    ... can speak so UNCRITICALLY of the gravely inconsistent explanations and repeatedly failed predictions we have been handed for some three decades or so now, under the heading of "Global Warming (aka Climate Change)"?

  • Jesse Sanderson
    Jesse Sanderson Month ago

    "If some part of the world, even a simple one, says 'NO' to your theory, you eventually have to stop fighting reality. Some assumption your theory makes must be wrong." An atheist anthem if there ever was one! Don't @ me creationists, why are you even watching sci show?

  • Abu Bakr
    Abu Bakr Month ago

    i finally understood where all those terms from school text books came from

  • EclipseClemens
    EclipseClemens Month ago

    How Germany Saved Physics from Ovens

  • Cosmic Sammy
    Cosmic Sammy Month ago

    How do you stumble upon Quantum Mechanics?

  • James Hindley
    James Hindley Month ago +1

    "Assume a spherical cow in a vacuum" .. Made me think of my ex

  • Monkeyb00y
    Monkeyb00y Month ago

    "Or so the Germans would have us believe..."

  • JJ
    JJ Month ago

    For a science show, you would hope that you would do some fact checks and use the scientific process too not perpetuate a myth. The cat in a box that’s only alive when you look at it thing is a journalist, taking something out of context as usual. Leading to people taking it literally. I learned that on joe rogans podcast. What does it say about this channel?

  • Nikos Politis
    Nikos Politis Month ago

    The beauty of science....people using their knowledge and understanding to find a solution to a problem and not trying to make the data match their presumptions.Religion would just say "God made it this way and it is perfect..."

  • Hidden Sound
    Hidden Sound 2 months ago

    You do a vid on why bismuth creates square crystals

  • BoyJae. Deren
    BoyJae. Deren 2 months ago

    Oh science, your a beautifully brutal being

  • Kaguyaa
    Kaguyaa 2 months ago

    I watched and didn't watch this video

  • sara seaman
    sara seaman 2 months ago

    I think you broke me.....

  • kazemizu
    kazemizu 2 months ago

    But, don’t humans actually emit an unnoticeable light??

  • buj
    buj 2 months ago

    arggghhh!!!!! My head hurts

  • Kahanu Morales
    Kahanu Morales 2 months ago

    I was making pop tarts in a toaster oven while I watched this

  • Stefanie Daniella
    Stefanie Daniella 2 months ago

    our clearly quantum cosmos expressed in the discrete "whole numbers" mathematics of quantum mechanics gives our complex cosmos a far more uniformly ordered structure for both energy and matter, which point to an Intelligent Creator-Designer, than those hoping for a more mish-mash randomness of an unordered incomprehensibly chaotic cosmos, which is merely "self-existent" on its own (materialism)

  • Jeremy Backman
    Jeremy Backman 2 months ago +1

    Germans seem smart till you think about how they caused two world wars and tried to invade Russia without winter gear.

  • bluesillybeard2 bczhefgthspswd

    perfect transition to your sponsor! 👌

  • 𖥠 ꧁Æ♱ℍᴲᮄℜᴲⅅ꧂𖥠

    None of these people are African?

  • Kiki Lang
    Kiki Lang 2 months ago +1

    Huh. The beginning of this video was okay. Then ending mean complete sense. In the middle? I got a little lost.

  • Alma Chizit
    Alma Chizit 2 months ago

    One worked for small (wavelengths), the other worked for large (wavelengths), both were based on sound principles but didn't agree with eachother. Hmm... now where have I heard that before? Quantum gravity anyone?

  • Upright Ape
    Upright Ape 2 months ago

    Ummmmm, "Max Planck" is pronounced "Mox Plonck", or Mahx Plahnck". It's "German". A "foreign language". Do try to keep up. I can't stand linguistic ignorance.

  • Justin Nehls
    Justin Nehls 2 months ago

    5min in and I'm lost and head blew up

  • KipIngram
    KipIngram 2 months ago

    I think I just overdosed on "upbeat." Somehow the exuberance doesn't play as well as when it comes from Physics Girl.

  • Ernest Gary
    Ernest Gary 2 months ago

    You almost nailed that freddy Kruger shirt, hank

  • Richard Landrum
    Richard Landrum 2 months ago

    What are electromagnetic wavelengths shorter than gamma, or longer than radio........could one possibly be matter?

  • Glyn Williams
    Glyn Williams 2 months ago

    vey good explanation.

  • apexbender
    apexbender 3 months ago

    I'm watching this video for the second time! Even better!

  • Owen Digity
    Owen Digity 3 months ago

    I am blocking your channel. All you "guys" should get earring plugs and grow matching beards.

  • Owen Digity
    Owen Digity 3 months ago

    As is common today, a bunch of dumb town kids, who have never worked a foundry or forge, at the least hammered a nail.

  • Gregory Fenn
    Gregory Fenn 3 months ago

    Ok people have been saying this for years, but WHY is discrete energy so weird? We have no trouble thinking of matter has coming in discrete units (atoms) so we does everyone who introduces quantum theory insist that it's weird and wonderful? Why not totally logical and wonderful?

    • TheMonsterMuonBoi //Physics&Random Stuff
      TheMonsterMuonBoi //Physics&Random Stuff 3 months ago

      Gregory Fenn because we humans developed an intuition for seemingly continuous energy. This intuition was developed on evolutionary timescales ( hundreds of thousands of years). When discrete energy was discovered, it contradicted our innate notion of continuous energy. Thus, discrete was counter intuitive and thus ‘weird’. If we had been exposed to discrete energy during our evolution, we would think continuous energy is weird.

  • Mark S
    Mark S 3 months ago

    if all races are equally smart, why have they not all equally contributed to science?

    Shhh, we are not suppose to notice that.

    • AnAccountOnYoutube
      AnAccountOnYoutube 3 months ago

      Different interests. Lol, you thought you stumbled on a huge secret

  • TinckedGlass
    TinckedGlass 3 months ago

    It was light bulbs

  • Eleeth Tahgra
    Eleeth Tahgra 3 months ago +1

    2:20 so...Neil dGT was wrong. Physicist also talk of spherical cow, not just astrophycist.

  • Manolo Orta
    Manolo Orta 3 months ago

    Did it save German Jewish scientist from ovens ?

  • Z Mark
    Z Mark 3 months ago

    wait, does that means universe is made of tiny indivisible particles? if that's the case, universe is not so weird after all