How to Fill a Klein Bottle - Numberphile

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  • Опубликовано: 23 янв 2025

Комментарии • 3,5 тыс.

  • @numberphile
    @numberphile  4 года назад +1857

    More Cliff videos: bit.ly/Cliff_Videos
    Klein Bottle videos: bit.ly/KleinBottles

    • @TheRealGuywithoutaMustache
      @TheRealGuywithoutaMustache 4 года назад +8

      Numberphile
      Your videos are fascinating

    • @aninditachakraborty8856
      @aninditachakraborty8856 4 года назад +2

      Just Some Guy without a Mustache exactly I love watching them

    • @harikishanrakhade6108
      @harikishanrakhade6108 4 года назад +2

      Aren't you obsessed with those volume-less bottles.

    • @bodnotbod
      @bodnotbod 4 года назад +3

      Why doesn't the measuring jug have volume by virtue of the thickness of its glass? You can flatten it to a disc but if the disc is as thick as the glass of the jug, doesn't the disc have volume? Or is the idea that when you flatten it to a disc, you just keep flattening it until the disc is impossibly thin?

    • @ces-gp
      @ces-gp 4 года назад

      Thank you for your videos!!! Big fan! And your enthousiam makes it even better!

  • @blackkitty_42
    @blackkitty_42 4 года назад +14186

    I swear this guy is triple of my age and also triple of my youth.

    • @JohnSmith-ox3gy
      @JohnSmith-ox3gy 4 года назад +378

      Doc with 200% more chararacter.

    • @koalstolz1615
      @koalstolz1615 4 года назад +139

      He was unethusiastic until he was 50, and then looped around

    • @nothingtoseehere1717
      @nothingtoseehere1717 4 года назад +16

      its like he is on crack or something

    • @na2awesome2yearsago7
      @na2awesome2yearsago7 4 года назад +71

      How does he jump ten feet in the air when he hears someone say something like 'shapes'

    • @dougthedonkey1805
      @dougthedonkey1805 4 года назад +17

      Then you should lighten up a little

  • @memo8996
    @memo8996 4 года назад +9463

    I've never seen a person so happy to explain something. I want this guy to be my teacher.

  • @cameronthompson6294
    @cameronthompson6294 3 года назад +1677

    This man is evidence of "Growing old is mandatory but growing up is optional" and i love it.

    • @prsworld
      @prsworld 2 года назад +13

      Exactly

    • @shutboi4586
      @shutboi4586 2 года назад +16

      He gives me john Sturgess from young sheldon vibes

    • @PYSSMILK
      @PYSSMILK 2 года назад

      I love this comment

    • @Triantalex
      @Triantalex Год назад

      false..

  • @ze_rubenator
    @ze_rubenator 4 года назад +9138

    "Be careful when you talk to mathematicians in the kitchen."
    Solid life advice.

    • @daanwilmer
      @daanwilmer 4 года назад +72

      That's why I only use grams.

    • @sahilbaori9052
      @sahilbaori9052 4 года назад

      Ok.

    • @lostpockets2227
      @lostpockets2227 4 года назад +4

      even if ur eating chicken curry

    • @GRBtutorials
      @GRBtutorials 4 года назад +30

      Especially topologists.

    • @berfranper
      @berfranper 4 года назад +45

      They can either teach you how to eat pizza or tell you that holes are not real.

  • @Ryan_Thompson
    @Ryan_Thompson 4 года назад +2140

    As always, Cliff's joy and passion for topology is contagious.

  • @GalliumGX
    @GalliumGX 3 года назад +433

    I love how he was super excited and happy, looked into the bag and completely stopped talking for a few seconds to eat a grape

    • @fuckingghey
      @fuckingghey 2 года назад +6

      Ahaha hey we all get distracted!

    • @julesk1088
      @julesk1088 2 года назад +5

      That was the cutest part of the video, he was so innocent there

  • @Jet-Pack
    @Jet-Pack 4 года назад +2681

    "Because of the conservation of something"
    - Cliff Stoll 2020

    • @tomiesz
      @tomiesz 4 года назад +97

      my favourite law of physics

    • @andersjohnson9565
      @andersjohnson9565 4 года назад +23

      6:12

    • @jamesgrimwood1285
      @jamesgrimwood1285 4 года назад +16

      I'd call it "conservation of physical volume"

    • @emuccino
      @emuccino 4 года назад +6

      Came looking for this

    • @letao12
      @letao12 4 года назад +26

      When a mathematician talks to a physicist

  • @freedustin
    @freedustin 4 года назад +4156

    "A disc has no volume."
    Don't talk to me or my CDs ever again.

    • @freedustin
      @freedustin 4 года назад +121

      @Morris Sowards no leave my computer joke alone.

    • @Exploshi
      @Exploshi 4 года назад +27

      This is an agenda by big dvd

    • @dorklork4336
      @dorklork4336 4 года назад +8

      Ok pucci

    • @infiniteloop2094
      @infiniteloop2094 4 года назад +1

      *T U R N S I T U P*

    • @shakurvariawa8315
      @shakurvariawa8315 4 года назад

      About 60GB if you're taking about a blueray

  • @julius855
    @julius855 4 года назад +500

    This man looks exactly like the person that i imagined was gonna tell me how to fill a kleinbottle

  • @MechMK1
    @MechMK1 4 года назад +2668

    Every other mathematician featured on Numberphile: "Here's my office"
    Cliff: "Yo, welcome to my kitchen"

    • @alxkeda
      @alxkeda 4 года назад +11

      995 likes but no comments, this is very much a record

    • @ianparmley1566
      @ianparmley1566 4 года назад +14

      @@alxkeda you ruined it

    • @alxkeda
      @alxkeda 4 года назад +6

      @@ianparmley1566 indeed I did

    • @alxkeda
      @alxkeda 4 года назад +10

      @@ianparmley1566 can’t be setting the records to beat too high ya know

    • @aurele2989
      @aurele2989 3 года назад +1

      cliff is an amazing man, i must say

  • @boss_boy_
    @boss_boy_ 4 года назад +1685

    I love this video you can tell how excited this guy is about what he’s talking about and it’s just so wholesome.

  • @Cait958
    @Cait958 3 года назад +116

    I just graduated high school, and through all those years i really wish i had a teacher so happy and passionate to be teaching something he loves. All my teachers never really cared about their subject, this guy really gets passionate about how much he loves it, we need more teachers like him in schools. I mean he took something as simple as a klein bottle and made it so fascinating to watch and learn about.

    • @jeremiahharris2403
      @jeremiahharris2403 3 года назад +7

      Klein Bottle simple? in the same sentence? blasphemy xD

  • @lemmy4965
    @lemmy4965 4 года назад +2540

    I love how genuinely happy he sounds to be explaining things like this, as if he loves passing on his knowledge to the new generation.

    • @ebbiebean9385
      @ebbiebean9385 4 года назад +28

      Unfortunately the new generation, maybe besides us that are watching, don’t care.

    • @user-qf6dp4zf4p
      @user-qf6dp4zf4p 3 года назад +15

      @@ebbiebean9385 atleast we do

    • @eefsx8761
      @eefsx8761 3 года назад +5

      I hope my teacher, teach me like that

    • @nesto9889
      @nesto9889 3 года назад

      @@ebbiebean9385 I hate Gen Z 😂😭

    • @soyalguienqueestamuyaburri8396
      @soyalguienqueestamuyaburri8396 3 года назад +7

      @@ebbiebean9385 1.4 million cared

  • @blazingthief8524
    @blazingthief8524 4 года назад +3060

    "This is not slow. THIS IS FAST compared to the age of the universe."
    I like this guy

    • @白髪りす
      @白髪りす 4 года назад +60

      Time is relative..
      Age is just a number. - My Uncle in jail.

    • @mailboxpipebomb
      @mailboxpipebomb 4 года назад +3

      Boom Planet that was Einstein

    • @白髪りす
      @白髪りす 4 года назад +13

      @@mailboxpipebomb no, that was Isaac Newton.

    • @mailboxpipebomb
      @mailboxpipebomb 4 года назад +1

      Boom Planet Newton was gravity and Edison was electricity. Einstein was relativity and time.

    • @mailboxpipebomb
      @mailboxpipebomb 4 года назад +1

      r/woooosh

  • @hunszaszist
    @hunszaszist 3 года назад +260

    2:47
    "So be careful when you talk to a mathematician in the kitchen" *Threatens with Pyrex cup*

    • @hunszaszist
      @hunszaszist 3 года назад +13

      Whoa, okay, sorry, please put that down!!

    • @solsystem1342
      @solsystem1342 3 года назад +8

      @@hunszaszist put the Klein bottle down and no one gets hurt!

  • @ccmarvmd8200
    @ccmarvmd8200 4 года назад +2695

    "Oh c'mon, its extremely fast compared to the age of the universe" That's such a great line

    • @sturmifan
      @sturmifan 4 года назад +74

      hes so a great person, i want to meet him

    • @Zyy920
      @Zyy920 4 года назад +47

      That's like a Douglas Adams quote!

    • @XenoghostTV
      @XenoghostTV 4 года назад +14

      @@sturmifan You can feel the passion in his voice

    • @5gonza541
      @5gonza541 4 года назад +10

      CCMarvMD i’m gonna use that in the future XD

    • @Ricocossa1
      @Ricocossa1 4 года назад +26

      Then he goes on: "This is spee compared to... Even something as rapid as global warming!"

  • @littlemasterchampion
    @littlemasterchampion 4 года назад +2184

    I love how he jumps! He's so excited! That's what science and mathematics does.

  • @Elbenzo64
    @Elbenzo64 3 года назад +82

    There is nothing in this world that I love more than a person who is genuinely delighted to teach others

  • @davidcao4040
    @davidcao4040 4 года назад +3298

    My 6-year-old daughter be like: "What's the volume of this cup?"
    - "Well, does it divide the universe?"

    • @richtigmann1
      @richtigmann1 4 года назад +65

      Yesn't

    • @meatman9099
      @meatman9099 4 года назад +45

      What kind of 6 year old asks about volume...

    • @blubee2289
      @blubee2289 4 года назад +24

      R/thathappened

    • @bootdude7527
      @bootdude7527 4 года назад +8

      Wish this video came out when I was in Geometry

    • @pirilon78
      @pirilon78 4 года назад +10

      @@blubee2289 r/ihavereddit r/youngpeopleyoutube r/woooosh

  • @riyazuo
    @riyazuo 4 года назад +4407

    He sounds like a cartoon character. He should do voice acting

    • @bbbruh2366
      @bbbruh2366 4 года назад +9

      Seiyuu

    • @SLA-yo4is
      @SLA-yo4is 4 года назад +9

      Like mario

    • @ethanrooney4110
      @ethanrooney4110 4 года назад +39

      He sounds like that guy from wreck it Ralph

    • @remix7345
      @remix7345 4 года назад +21

      that's just how old people sound

    • @baaaaaaaaaaaaaaaaaaaaaaam
      @baaaaaaaaaaaaaaaaaaaaaaam 4 года назад +9

      @@ethanrooney4110 Yeah he sounds a bit like King Candy from Wreck-it Ralph

  • @brokeninkwell3818
    @brokeninkwell3818 3 года назад +68

    This man is literally bouncing with excitement and I love it.

  • @ren6140
    @ren6140 4 года назад +1117

    I like to imagine this guy just came home from buying grapes and a cameraman was just waiting there and asks him about this stuff, and just, improvises

    • @_Heb_
      @_Heb_ 2 года назад +34

      I like to imagine he bought exclusively grapes and also put them in that little paper bag

    • @Triantalex
      @Triantalex Год назад

      ??...

  • @pedrohenriquecontente332
    @pedrohenriquecontente332 4 года назад +3058

    "This is slow"
    "Ah, c'mon, this is so fast compared to age of the universe" LOOL

    • @elaias8528
      @elaias8528 4 года назад +70

      best response ever

    • @diegofranceschin2949
      @diegofranceschin2949 4 года назад +9

      Got him!

    • @SorenPenrose
      @SorenPenrose 4 года назад +7

      that's something the doctor would say 🤔

    • @rulekop
      @rulekop 4 года назад +7

      Actually that was a bad smart answer as the age of the universe isn't fast/slow, but long/short (it isn't a rate)

    • @prateekpanwar646
      @prateekpanwar646 4 года назад +1

      @@rulekop He should had used "aging" considering channel's name and audience

  • @bdpinc9267
    @bdpinc9267 4 года назад +134

    I love how he put the champions league theme for Europe 3:22

    • @Maydup_Naem
      @Maydup_Naem 3 года назад +18

      "in the rest of the world"
      Shows just Europe.*
      (._.)

  • @hannesgroesslinger
    @hannesgroesslinger 4 года назад +2136

    9:03 i'm confused.
    If you get a Klein bottle nice and dry on the "outside", would that not automaticly make it dry on every side?

    • @sturmifan
      @sturmifan 4 года назад +153

      oh
      oh yea

    • @pratyushbhattarai5632
      @pratyushbhattarai5632 4 года назад +45

      @@sturmifan Hey actually meant "some of the sides" maybe??

    • @skywatcher458
      @skywatcher458 4 года назад +148

      @@pratyushbhattarai5632 aren't klein bottles had only one side?
      Well
      At least from four dimensional being views

    • @rickpgriffin
      @rickpgriffin 4 года назад +124

      Well you can dry a measuring cup on the outside but a topologist would insist you missed a spot
      When talking about holding volume like this video is, orientation and inward/outward facing parts of the vessel matter. Similarly you can MAKE a mobius strip have an inside/outside by wrapping it around your wrist--there is clearly a part touching the wrist and a part facing away from the wrist even when it only has "one side"

    • @amodgawade4323
      @amodgawade4323 4 года назад +10

      @@pratyushbhattarai5632 theres only one side on a klein bottle is the joke

  • @thecanaryfromthemines
    @thecanaryfromthemines 4 года назад +1580

    If actual professors had this much enthusiasm during lectures, I might have love mathematics instead of having a panic attack lol

    • @SoumilSahu
      @SoumilSahu 4 года назад +37

      This dude is not normal. This level of enthusiasm would take 10 direct shots of adrenaline

    • @felicityedwards1306
      @felicityedwards1306 4 года назад +77

      @@SoumilSahu it's normal for a subject hes passionate about. My high school math teacher was the same way, and it made me love math even more that I already did. I get the same way when I talk about medicine and sometimes math.

    • @themadhattress5008
      @themadhattress5008 4 года назад +12

      Several of my professors had a great amount of enthusiasm -- and by proxy classroom to professor engagement -- when I was in college. It's not unheard of, especially when they're really passionate about what they're talking about.

    • @BierBart12
      @BierBart12 4 года назад +9

      My history and physics teacher was that way. That enthusiasm got everyone straight As on some complicated topics.

    • @ronniebasak96
      @ronniebasak96 4 года назад +2

      My dog isn't that enthusiastic seeing a bone

  • @magnotec.
    @magnotec. 4 года назад +442

    Most mathematicians: "A Klein bottle has no volume"
    Me: *Bottle is bottle*

  • @carly7958
    @carly7958 4 года назад +412

    The editor put in a lot of effort into those graphic sections and I just want them to know that they are appreciated

  • @thecountercounter9127
    @thecountercounter9127 4 года назад +630

    First minute in and i already love this guy. Hes so bouncy and he feels like he still has so much livliness in him, which i love. He reminds me of my biology teacher, he just have, genuine, legitimate love of teaching

    • @Axel230
      @Axel230 4 года назад +6

      I wanna be this lively when I'm this old :3

    • @ryanrees9248
      @ryanrees9248 3 года назад +4

      i was 20 seconds in and loved this guy

    • @lakshyagangwar2451
      @lakshyagangwar2451 2 года назад

      I mean why are biology teachers are supposed to be "lively"🤣

  • @Carzey
    @Carzey 4 года назад +114

    Doc has come a long way since he figured out how to time travel.

  • @zerid0
    @zerid0 4 года назад +1967

    I need help. I'm training my baking skills for pi day but the recipe asks for 500ml of water and I don't know how to measure it.
    I got a 500ml sphere but I didn't seem to be able to fill it with water because it wouldn't go through.
    So I poked a hole in the sphere but now it has 0 volume.
    This is a nightmare. There's no way for me to measure the water >

    • @givrally
      @givrally 4 года назад +400

      Make the water go through the 4th dimension and back to enter the sphere.

    • @kenet7877
      @kenet7877 4 года назад +206

      @@givrally solid advice, works everytime

    • @policesquad
      @policesquad 4 года назад +57

      Buy a pi from the Bakrs shop.

    • @Kazutoification
      @Kazutoification 4 года назад +88

      Fix the hole after you've poked it. That should solve your problem.

    • @OSDisco
      @OSDisco 4 года назад +9

      @@policesquad That's clever

  • @galgrunfeld9954
    @galgrunfeld9954 4 года назад +910

    "conservation of something" - ah, a true physicist.

    • @Baddaby
      @Baddaby 4 года назад +17

      It's because he doesn't want to say conservation of volume when he just said it does not have volume haha

    • @genericusername4206
      @genericusername4206 4 года назад

      Baddaby true

  • @johnnyespinoza8
    @johnnyespinoza8 Год назад +3

    Mathematics needs rigor but it also needs fun, lots of fun! I can’t imagine having a math professor like this gentleman! Simply awesome!

  • @HowRandomIsRandom
    @HowRandomIsRandom 4 года назад +196

    Love how the birds fly at 2:13
    Makes him look like a wizard

  • @donnabrahamworsley5857
    @donnabrahamworsley5857 4 года назад +1649

    Guys this is just the back to the future dude in his early ages.

    • @tntmage5303
      @tntmage5303 4 года назад +26

      doc Emmet brown

    • @AntonioM8
      @AntonioM8 4 года назад +33

      Come on it's not that hard to remember the name "Doc"

    • @aalhard
      @aalhard 4 года назад +12

      GREAT SCOTT!

    • @hubertfarnsworth6824
      @hubertfarnsworth6824 4 года назад +6

      You mean Doc Brown

    • @unworthy.potato
      @unworthy.potato 3 года назад +2

      I didn’t know this guy could skate board?

  • @pixelprincess9
    @pixelprincess9 4 года назад +88

    Me at 6 PM: "I need to go to bed early tonight so I can actually get some sleep."
    Me at 3 AM: "bUt hOw cAn a kLeIn bOtTlE bE fIlLeD wItH wAtEr"

  • @amaansadri1168
    @amaansadri1168 4 года назад +349

    It puts a smile on my face to see how enthusiastic he is

    • @jonathanguthrie9368
      @jonathanguthrie9368 4 года назад +6

      That attitude is learned. That means you can learn it, too, if you want to.

    • @VincentGroenewold
      @VincentGroenewold 4 года назад +6

      @@jonathanguthrie9368 Not necessarily learned, it wasn't taken out of him by the process of schooling etc. :)

    • @TheNewGreenIsBlue
      @TheNewGreenIsBlue 4 года назад +1

      It feels like he's like... Ooh ohh... someone wants to listen to me ramble on in my kitchen!!! Not that there aren't people who are interested, but the majority of people's eyes would glaze over.

    • @lordkekz4
      @lordkekz4 4 года назад +2

      @@VincentGroenewold I agree, I often find myself being similarly enthusiastic about (usually scientific) topics. It is sad that school systems manage to suppress the flame that is the curiosity we all have with boring and stressful everyday life. You would think that it's possible to interest almost anyone at least mildly in most scientific topics.

    • @VincentGroenewold
      @VincentGroenewold 4 года назад +3

      LordKekz Yep, I’m actually a father of a child with high iq and he couldn’t cope with a classroom. We ended up having to take him home as he got depressed, unfortunately that’s not allowed in the Netherlands so you have the super weird and stressful situation where you want to teach him at home, not going down the path of going the wrong way and still having to send him there. We couldn’t justify that for him, so we moved abroad. It took us a full year to get him interested again, at least he’s happier now and starting to get excited a bit again, but what he had before school, never really came back. I read that many famous scientists had the exact same experience. We definitely need to change that.

  • @ErC0411
    @ErC0411 4 года назад +609

    6:43 "come on, it's not slow. This is fast compared to the age of the universe."
    -Me, when I am procrastinating again with my thesis.

    • @alexanderenrique3058
      @alexanderenrique3058 4 года назад +2

      How come that RUclips knew I do too?

    • @ethaman2799
      @ethaman2799 4 года назад

      ErC0411 me while walking my 100m sprints at school

    • @dabunnyrabbit2620
      @dabunnyrabbit2620 4 года назад +1

      sometimes thats the best way, makes sure you got it exactly the way you want.

    • @pluto8404
      @pluto8404 4 года назад +1

      I can do 100 pushups pretty quick.

    • @lucasfc4587
      @lucasfc4587 4 года назад +1

      THIS QUOTE IS GREAT

  • @circuit19
    @circuit19 4 года назад +32

    Coming from an engineering background all I have to say is, if he stuck a rubber tube down the hole in the Klein bottle that was smaller than the diameter of the Klein bottle tube, and long enough to reach the reservoir, water would be able easily enter and Air can escape.

    • @AkshatSharma1505
      @AkshatSharma1505 2 года назад

      Great, now explain the physics of it. This is also the fastest method to get water out of an upside down bottle, right?

  • @balaalalaslk
    @balaalalaslk 4 года назад +1358

    "Conservation of something"
    Spoken like a true mathematician, never a special case and only general ones. Something can be mass... or whatever lol.

    • @verifiedgentlemanbug
      @verifiedgentlemanbug 4 года назад

      Hahahahaha

    • @thesos320
      @thesos320 4 года назад +1

      I was searching for this comment!

    • @nineball039
      @nineball039 4 года назад +4

      Conservation of bubbles.

    • @nametry3
      @nametry3 4 года назад +6

      @Kitsune 3.14 But the mass if air going out is not the same as the mass of water going in or is it? It's more like conservation of pressure. But pressure is not really constant, it just tends to an equilibrium so... consevation of something :D

    • @akuakkk1908
      @akuakkk1908 4 года назад

      Conservation of volume

  • @peet4444
    @peet4444 4 года назад +444

    Love how he just started pulling out grapes from the bag and started eating them 😂😂

    • @clementm5417
      @clementm5417 4 года назад +32

      "I could put stuff int... I put stuff into it !"
      [starts eating grappes]

    • @y.m.o.fh.s.c8580
      @y.m.o.fh.s.c8580 4 года назад +6

      @@clementm5417 I loved that part I was hoping someone would comment about it

    • @brandonmtb3767
      @brandonmtb3767 4 года назад +1

      Professional RUclips content right there

    • @arpit92k
      @arpit92k 4 года назад +2

      oh, the world before coronavirus. Now you have to wash everything.

    • @anormalandnon-suspiciousbo5290
      @anormalandnon-suspiciousbo5290 4 года назад

      ChickenNuggetDinosaur ChickenNuggetDinosaur totally a mood right there

  • @tylerle3915
    @tylerle3915 2 года назад +8

    I love this guy’s energy. I can tell he really loves what he does

  • @odysseusoutis7581
    @odysseusoutis7581 4 года назад +720

    3:24 He used the Champions League theme for the european union. I'm not even mad.

  • @BeTheGr8
    @BeTheGr8 4 года назад +147

    2:12 I love how the birds in the background make for extra effects. Almost a cartoon.

  • @oceanman3676
    @oceanman3676 3 года назад +7

    I’m not usually interested in math and physics but this guy’s enthusiasm just makes me want to study. I wish my teachers are like this and if so I can study everything

  • @Neefew
    @Neefew 4 года назад +991

    6:30
    Cliff gets pulled over for speeding
    the police officer tells him that he was going too fast
    "compared to the speed of the sun through space, I was barely moving"

    • @pranavlimaye
      @pranavlimaye 4 года назад +118

      "Wrong, Officer! The Earth is actually moving in the opposite direction 10 times as fast! I legally had no choice...."

    • @pyrogenic
      @pyrogenic 4 года назад +15

      I can read this in his voice and its so fitting

    • @vojtechstrnad1
      @vojtechstrnad1 4 года назад +11

      Because of relativity, there's no such thing as the speed of the sun through space.

    • @pranavlimaye
      @pranavlimaye 4 года назад +6

      @@vojtechstrnad1
      To clarify, yes. That notion is also called relativity. GALILEAN Relativity to be specific, formulated by none other than Galileo Galilei

    • @Soldier842
      @Soldier842 4 года назад +1

      (speed is always relative to another object so you can't have "the speed of the sun through space")

  • @obsidianop9802
    @obsidianop9802 4 года назад +415

    "You can see actual Klein bottles in the 4th dimension"
    Cliff: *Happy topologist noises*
    "They can't contain anything"
    Cliff: *Sad topologist noises*

  • @alessia9328
    @alessia9328 4 года назад +2

    This guy is *visibly* SO excited about explaining how to fill a klein bottle to us.
    We all know people like this make the absolute BEST kind of professors.

  • @Mr.Roboto_
    @Mr.Roboto_ 4 года назад +406

    6:40
    "Still pretty slow"
    "I A M S P E E D"

  • @richardpike8748
    @richardpike8748 4 года назад +362

    "Conservation of something"
    I guess you don't need a physics degree to be a topologist XD

    • @Nylspider
      @Nylspider 4 года назад +5

      Read this just as he said it in the video lol

  • @brettcraigsly7102
    @brettcraigsly7102 3 года назад +3

    Imagine living life with this sort of excitement and enthusiasm for your work. Not about money or promotion, but just the art of the subject matter. It sounds like he almost starts laughing like an excited child on Christmas morning while he is talking. How wonderful and joyful must that life be? I envy him.

  • @andarted
    @andarted 4 года назад +638

    Cliff: "Than, get it nice and dry on the outside." [9:02]
    Me: "On the what?"

    • @applepie1272
      @applepie1272 4 года назад +8

      ?

    • @peasg
      @peasg 4 года назад +89

      @@applepie1272 klein bottles visualized on 4d have no in and outside, due to it only having 1 side. I dont know if this is exact, correct me if im wrong

    • @g.tucker8682
      @g.tucker8682 4 года назад +6

      andarted: “On the what?”
      Niiiice!

    • @maxwellsequation4887
      @maxwellsequation4887 4 года назад +4

      Yeah! They just have one side

    • @t._dot
      @t._dot 4 года назад +5

      @@peasg if we think about it, don't most cups just have 1 side as well...

  • @Askme4ful
    @Askme4ful 4 года назад +2013

    “How to fill a Klein bottle”
    Just stick a hose in it
    There it’s filled

    • @DevanshGuptaChess
      @DevanshGuptaChess 4 года назад +51

      Where will the air inside go?

    • @mattschutt2340
      @mattschutt2340 4 года назад +70

      The ALLrOUNDER SS imagine less like a garden hose, and more like thin airline tubing on a syringe or something.

    • @DevanshGuptaChess
      @DevanshGuptaChess 4 года назад +48

      @@mattschutt2340 That should work...... Wouldn't be as exciting as the mathematician wants it to be

    • @anansiackhasone3428
      @anansiackhasone3428 4 года назад +9

      It’ll explode

    • @anansiackhasone3428
      @anansiackhasone3428 4 года назад +15

      Because it’ll pressurize air and it will explode

  • @NolenGYT
    @NolenGYT 2 года назад +5

    This man is adorable, I love how he talks and seems genuinely excited to educate people. It makes me happy.

  • @dougthedonkey1805
    @dougthedonkey1805 4 года назад +989

    2:48
    “So be careful when you talk to mathematicians in the kitchen”
    In the... mathemakitchen?

  • @toferg.8264
    @toferg.8264 4 года назад +145

    "This is fast compared to the age of the universe." Spoken like a true government employee.

  • @davidxxxx4612
    @davidxxxx4612 4 года назад +7

    That was truly interesting. He brought life into what many consider a dry, tedious discipline. Really enjoyed listening to this

  • @saintpoli6800
    @saintpoli6800 4 года назад +252

    Dude legit has more movement than me, and I’m still a teen.

  • @supremechaosbeing2696
    @supremechaosbeing2696 4 года назад +32

    0:41 captions: [EXCITEDLY TAPS THE PLASTIC BALL] ...and an inside!

  • @vanibandodkar31415
    @vanibandodkar31415 4 года назад +351

    2:13 omg the birds LMAO

  • @S_whoelse
    @S_whoelse 4 года назад +47

    He's so joyful when talking about Klein bottles, like me when I go outside and see the stars!

  • @tandemic4232
    @tandemic4232 4 года назад +14

    I love this guy, so charming. I wish I could have him as a teacher.

  • @injectingnuace
    @injectingnuace 4 года назад +17

    This is the best illustration of a bottleneck I've ever seen. You can perfectly illustrate how a job that should be easy and quick takes so much work and is impossible to speed up if the system is overcomplicated

  • @mueezadam8438
    @mueezadam8438 4 года назад +428

    My friends {∅}: So, can you drink out of a Klein bottle?
    Me: well yes but actually no

    • @SumNutOnU2b
      @SumNutOnU2b 4 года назад +12

      With a straw maybe

    • @Hampardo
      @Hampardo 4 года назад +54

      I like that you're friends with the empty set. My set of friends is the empty set itself :(

    • @AbsoluteHuman
      @AbsoluteHuman 4 года назад +3

      Every time remember that Futurama episode!

    • @viliml2763
      @viliml2763 4 года назад +9

      @@Hampardo I wonder if mueez adam really intended it to be interpreted that way as a math joke, since he used {} instead of ().
      Anyway, I really do love the set containing the empty set. Among other feats, it is the set-theoretic realization of the ordinal equivalent of the fascinating number Wau!

    • @IconOfCyn
      @IconOfCyn 4 года назад +7

      @@viliml2763 every course I've taken defines sets within curly braces instead of parenthesis

  • @HYP3RBYT3-p8n
    @HYP3RBYT3-p8n 5 месяцев назад +1

    The passion in his voice when he said “This is homeomorphic to a DISC!” Killed me

  • @ScottMaday
    @ScottMaday 4 года назад +690

    Me: *sees video*
    Me: The only person who can adequately explain this subject is the same man who built a robot to fetch his catalog of Klein bottles in his basement
    Me: *clicks*
    Me: what a relief

  • @TheRealGuywithoutaMustache
    @TheRealGuywithoutaMustache 4 года назад +293

    I’ve been really interested in the topic of Klein bottles because of this channel

    • @aninditachakraborty8856
      @aninditachakraborty8856 4 года назад +8

      Lol I see u everywhere ur the next Justin y lol

    • @circle4602
      @circle4602 4 года назад +11

      @@aninditachakraborty8856 There's a thing like that, people like him are called commenters

    • @circle4602
      @circle4602 4 года назад +3

      I really don't know why people rage at some commenter just appearing everywhere, do they not know about the notifs?

    • @youtubeuserdan4017
      @youtubeuserdan4017 4 года назад +2

      It's probably because of Cliff's enthusiasm.

    • @JoanDarc1984
      @JoanDarc1984 4 года назад

      Ayy mah guy

  • @hugogamboas.5550
    @hugogamboas.5550 4 года назад +2

    Every professor should be this passionate and cheerful. Thank you for a great lesson sir.

  • @stormysamreen7062
    @stormysamreen7062 4 года назад +62

    **DANGER ALERT**
    The excitement from this man is contagious

  • @yangtra2534
    @yangtra2534 4 года назад +168

    I want someone to love me as much as Cliff loves klein bottles

    • @kuttlefish225
      @kuttlefish225 4 года назад +3

      Lots of mathematicians and physicists greatly appreciate Greek letters; I'm sure someone does.

    • @yangtra2534
      @yangtra2534 4 года назад +10

      SplinterDragon Ah yes, the well known letter "Yangtra" from the Greek alphabet.

    • @kuttlefish225
      @kuttlefish225 4 года назад +2

      @@yangtra2534 μ or mu, the Greek letter.

    • @yangtra2534
      @yangtra2534 4 года назад +2

      @@kuttlefish225 Ooh no it was a typo lool

    • @Michaelonyoutub
      @Michaelonyoutub 4 года назад

      @@kuttlefish225 i am going to university to study physics, learning greek has been a bonus

  • @anomalocarislover7254
    @anomalocarislover7254 3 года назад +1

    I know that feeling of being so excited to explain something you love, even to people who might not be as interested as you are.

  • @yunjay99
    @yunjay99 4 года назад +13

    I love his passion. I just hope I can be that passionate about anything at that age. Heck, I can rarely find that kind of compassion even now.

    • @leomadero562
      @leomadero562 4 года назад

      It actually gets better with age

  • @Uderscore
    @Uderscore 4 года назад +350

    so basically, we are all inside of every measuring cup in the world.

    • @niconico4962
      @niconico4962 4 года назад +14

      And every measuring cup is also inside all of the others measuring cups

    • @joshuanorman2
      @joshuanorman2 4 года назад +7

      Does this mean the outside of each measuring cup is inside the inside of each measuring cup?

    • @Daaljeli
      @Daaljeli 4 года назад

      josefu joestar

    • @anupriyamarora4253
      @anupriyamarora4253 4 года назад

      Except the ones that are currently inverted on countertops and other places that form a seal

  • @p.f.886
    @p.f.886 4 года назад +45

    People: *Maths and Physics are boring and hard to understand*
    This man: *I'm going to change this man's whole opinions.*

  • @oceanbeans8546
    @oceanbeans8546 4 года назад +73

    I’m constantly scared he’s just gonna drop something with all that energy of his

  • @KTFG
    @KTFG 4 года назад +267

    I ordered a Klein bottle opener to open and fill mine. Of course it cracked.
    I think there was a misunderstanding about the terms "Klein Bottle - opener" & "Klein - bottle opener"

  • @originsmenagerie9920
    @originsmenagerie9920 2 года назад +2

    This dude has crazy mad scientist vibes and I mean that as a pure, genuine compliment

  • @dylanparker130
    @dylanparker130 4 года назад +84

    "this is fast, compared to the age of the universe!"

    • @ThePCguy17
      @ThePCguy17 4 года назад +1

      Yeah, so is the human aging process.

    • @ci.netproductions
      @ci.netproductions 4 года назад +1

      @Dylan Parker ... And so is the age of our universe...

  • @esotericVideos
    @esotericVideos 4 года назад +42

    As I am finally recovering from a 10+ year depression, I have a temptation to think "even if you are ready to live your life now, it's too late to feel feelings of exuberance, passion, and legitimate excitement. Those are reserved for people in their early 20s/late teens."
    Cliff Stoll's mere existence has helped me so much by completely destroying this toxic idea.

  • @bradwyant2993
    @bradwyant2993 4 года назад +6

    I hope no one ever hates on this guy he is a funny, nice and excited science guy. I would want him to be my teacher

    • @jasonmintzchannel8902
      @jasonmintzchannel8902 4 года назад

      Orange Stone where’s your brother redstone

    • @bradwyant2993
      @bradwyant2993 4 года назад

      @@jasonmintzchannel8902 That traitor kicked me out of minecraft and replaced himself in my place so I made a RUclips channel to win back my spot.

  • @ten.seconds
    @ten.seconds 4 года назад +141

    Cliff Stoll is like a real-life Cave Johnson. We need to give him an Aperture Science and he'll work his magic.

    • @allmycircuits8850
      @allmycircuits8850 4 года назад +13

      To think about it: topology is most concerned with number of holes in the object, or saying scientifically, number of APERTURES :) So yeah, he's exactly the guy we need!

    • @Elnadrius
      @Elnadrius 4 года назад +8

      And we must keep away from lemons or it will be explosive video.

    • @Krish0916
      @Krish0916 4 года назад +2

      Moon Rocks!

    • @coreyfinn2554
      @coreyfinn2554 4 года назад +2

      We do what we must because we can. In the background: I don’t want your lemons

  • @electromika
    @electromika 4 года назад +87

    I got immediately excited when Cliff appeared on my screen.

    • @butterscotchdoesthings1126
      @butterscotchdoesthings1126 4 года назад +3

      so did I lol. I think we all did.

    • @mal2ksc
      @mal2ksc 4 года назад +2

      @@butterscotchdoesthings1126 I think it's impossible not to. Excitement flows from high pressure to low, and Cliff Stoll is an excellent source of high pressure excitement.

    • @wariolandgoldpiramid
      @wariolandgoldpiramid 4 года назад

      @@mal2ksc I've never seen him before, but I liked him instantly.

  • @snoozyyaloozy5511
    @snoozyyaloozy5511 2 года назад +2

    I love this man's energy so much. Wish I could've had him as a teacher.

  • @alang9891
    @alang9891 4 года назад +21

    I love this guy. He’s just so passionate and happy about doing maths.

  • @snowman7514
    @snowman7514 4 года назад +187

    "Don't let the mathematicians touch your kitchen, don't let em near your recipe book"

  • @rans0mware
    @rans0mware 3 года назад

    The happiness on his face and his voice is really nice. It shines with passion to know, and to share

  • @asp4497
    @asp4497 4 года назад +43

    He is back. The man The myth. The legend.

    • @blueeye2281
      @blueeye2281 4 года назад +1

      The man
      The myth
      The legend
      T H E G R A N D P A

  • @alhadinon
    @alhadinon 4 года назад +61

    1:01
    "Likewise a bag - I can put stuff int..." (ohhh there are the grapes I bought some days ago...are they still eatable? :eats one: Yeah, they are...where was I?) "...put stuff into it" - I love those moments 😍

  • @ianmorin8017
    @ianmorin8017 3 года назад

    I just every once and a while watch this channel and not only do I like channels like this but this man just makes me happy that’s all there is to it.

  • @stormysamreen7062
    @stormysamreen7062 4 года назад +387

    "In America, it is possible to put 16 ounces of water in it"
    Did he just-?

    • @mrjoe332
      @mrjoe332 4 года назад +110

      I love how disgusted he sounded when he saw it measured in pounds

    • @jaybestnz
      @jaybestnz 4 года назад +31

      There are only 2 countries in the world that use imperial. USA and Mianmar do only 4.5% of the population.

    • @defaultkid99
      @defaultkid99 4 года назад +5

      Jay Best what about Liberia

    • @jaybestnz
      @jaybestnz 4 года назад +17

      @@defaultkid99 I thought that pretty much everyone there used metric even though not officially changed over yet.
      The key point, a country being weird and wanting people to use their 16 times table on order to count out 2 cups...

    • @stormysamreen7062
      @stormysamreen7062 4 года назад +6

      @@jaybestnz No. Only USA and Liberia use imperial system. Myanmar uses a traditional system of units, not imperial.

  • @ReiOgami
    @ReiOgami 4 года назад +5

    It’s so refreshing seeing someone so passionate about a subject - never stop being you, Cliff

  • @teho1536
    @teho1536 2 года назад +2

    He seems so happy to just pass on his knowledge and I want more.

  • @herculean616
    @herculean616 4 года назад +65

    Must be a pain to be a mathematician and a chef at the same time.

  • @prashantmittal7068
    @prashantmittal7068 4 года назад +226

    At 3:23 they use the champions league theme for europe

    • @abduthegreat7865
      @abduthegreat7865 4 года назад +33

      Is there a better representation of Europe though?

    • @Thomas_Bergel
      @Thomas_Bergel 4 года назад +54

      Abduthegreat 786
      Ode to joy?

    • @LelouchLothric
      @LelouchLothric 4 года назад +33

      @@abduthegreat7865 As a football fan I can't think of anything that unites and divides the people of Europe as much as the Champions league

    • @takix2007
      @takix2007 4 года назад +5

      @@Thomas_Bergel nope. The Champions League hymn is inspired by Haedel's "Zadoq the Priest", a.k.a the English coronation anthem, it has nothing to do with Beethoven's 9th Symphony from which Ode to Joy is an excerpt.

    • @mittfh
      @mittfh 4 года назад +13

      @@takix2007 The metric segment had an EU flag, and the EU anthem is the fourth movement of the ninth symphony of Ludwig.

  • @politicallyinaccuratetoast4757
    @politicallyinaccuratetoast4757 3 года назад +3

    I love his enthusiasm, he seems so happy to teach us how to fill a Klein bottle

  • @sleepyysleep
    @sleepyysleep 4 года назад +7

    I love this man’s energy, he’s like a kid. It’s amazing.

  • @neros12346
    @neros12346 4 года назад +48

    I love that this man just has a bag of grapes

  • @Makszi
    @Makszi 4 года назад

    His enthusiasm brings so much heart to this video. If only all educational material was this easy to watch!!!

  • @logand.r.505
    @logand.r.505 4 года назад +32

    This guy would be the coolest grandpa