The Physics of Portals (Made With Love)

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  • Опубліковано 19 чер 2024
  • Learn science on Brilliant -- it's fast and easy. First 30 days are free and 20% off the annual premium subscription when you use our link ➜ brilliant.org/sabine.
    I've spent too much time thinking about how portals could work in the real world and, yes, I guess that is somewhat weird, but well. From energy conservation to momentum conservation to moving portals, I have it all sorted out for you. And the cake is not a lie.
    🤓 Check out my new quiz app ➜ quizwithit.com/
    💌 Support me on Donorbox ➜ donorbox.org/swtg
    📝 Transcripts and written news on Substack ➜ sciencewtg.substack.com/
    👉 Transcript with links to references on Patreon ➜ / sabine
    📩 Free weekly science newsletter ➜ sabinehossenfelder.com/newsle...
    👂 Audio only podcast ➜ open.spotify.com/show/0MkNfXl...
    🔗 Join this channel to get access to perks ➜
    / @sabinehossenfelder
    🖼️ On instagram ➜ / sciencewtg
    00:00 Intro
    01:14 Portals and Wormholes
    02:05 Energy Conservation
    04:47 A Detour to Dark Matter and Back
    07:42 Momentum Conservation
    10:27 Moving Portals
    12:21 Portals Aren't Flat
    13:45 More Problems
    14:20 Cake
    14:27 Learn Science With Brilliant
    #physics #portals
  • Наука та технологія

КОМЕНТАРІ • 4 тис.

  • @eaglepeakalpha
    @eaglepeakalpha 28 днів тому +4143

    The costume makes the video all the more scientific

    • @offendersofficial
      @offendersofficial 28 днів тому +124

      the nerf guns make it a thousand times better

    • @AbuIvan180
      @AbuIvan180 28 днів тому +109

      She kinda bad tho

    • @Toca_waffle843
      @Toca_waffle843 28 днів тому +18

      exceptionally so

    • @MrPlusses
      @MrPlusses 28 днів тому +148

      Physics isn't the only thing that's hard right now.

    • @PrimRoseLane
      @PrimRoseLane 28 днів тому +4

      Speedy thing goes in: ..... wait... that was it.

  • @pedrofelipefreitas2666
    @pedrofelipefreitas2666 28 днів тому +2887

    Sabine in a cosplay is not something i expected, until i remembered that every scientist is a nerd at heart lol

    • @2adamast
      @2adamast 28 днів тому +10

      You mean, appreciating star wars and its shitty science is mandatory?

    • @noahtekulve2684
      @noahtekulve2684 28 днів тому +98

      No, you don't need to appreciate everything that's considered nerdy. You can pick and choose.

    • @captasticts8419
      @captasticts8419 28 днів тому +22

      @@noahtekulve2684 yeah yeah let's let people have fun

    • @superneenjaa718
      @superneenjaa718 28 днів тому +14

      ​@@2adamast it's not, but scientists are always obsessive about something. I for one loved shows and games with fantasy elements. Sci-fis often gave me headaches though.

    • @keithchiang9770
      @keithchiang9770 28 днів тому +47

      @@2adamast I can't consider Star Wars sci-fi, it's more fantasy.

  • @Methodician
    @Methodician 26 днів тому +213

    I don't think anyone could fall asleep watching Cosplay Sabine open a whole can of wormholes on a classic physics game 😂

    • @menyasavut3959
      @menyasavut3959 25 днів тому +4

      a can of worms. can I eat it? oh, worm-holes *facepalms*

    • @deanmichalos6848
      @deanmichalos6848 24 дні тому +2

      Exactly. My housemate has been keeping me up for a week with his mania so I'm up in the middle of the night all bleary eyed watching this on repeat because I can't stay focused on the science.

  • @CrimWorld9
    @CrimWorld9 27 днів тому +158

    Sabine Cosplay was something I never expected but fully support!

    • @pauliedweasel
      @pauliedweasel 21 день тому +5

      But you know we all wanted it! 😉

    • @1112viggo
      @1112viggo 21 день тому +4

      So does Mr. Hossenfelder. Grrr...

  • @jmunt
    @jmunt 28 днів тому +2677

    “I’m not here for the fun” in full costume 🤣

    • @antonk.653
      @antonk.653 28 днів тому +47

      Not only that, while having a stern face and only cracking the usual minimal amount of jokes.

    • @Jiraton
      @Jiraton 28 днів тому +7

      This is so British XD

    • @speedy3749
      @speedy3749 28 днів тому

      @@Jiraton She is german. When telling jokes with a straight face, we are up for a contest with the Brits ;-)

    • @astrocoastalprocessor
      @astrocoastalprocessor 28 днів тому +10

      Was just listening to the audio and glanced at the screen like 😮😮😮

    • @RokeJulianLockhart.s13ouq
      @RokeJulianLockhart.s13ouq 28 днів тому +53

      ​@@Jiraton I think she's actually German, and it fits even better if so

  • @NimbleBard48
    @NimbleBard48 28 днів тому +778

    *looks at thumbnail*. "No, she didn't..."
    *plays the video*. "Holy GLaDOS! She did!!"

    • @zyansheep
      @zyansheep 28 днів тому +46

      Literally thought it was thumbnail photoshop, clicked on the vid and was like *no way*!

    • @NoGodsUnderStars
      @NoGodsUnderStars 28 днів тому +16

      I clicked on a different video to watch first, and with a microsecond left I saw the thumbnail and thought, "Was that a Sabine video? Was that Sabine?!?"

    • @TheeSlickShady
      @TheeSlickShady 28 днів тому +19

      I also thought good clickbait
      But I watch all Sabine's videos anyway
      Then she walks in and I couldn’t believe it 😮❤
      Authenticity and scientific integrity is why I come here

    • @Angel-wo8gv
      @Angel-wo8gv 28 днів тому +9

      14:26 wait.. IT'S NOT A WIG?

    • @LuisSierra42
      @LuisSierra42 28 днів тому +2

      Common Sabine W

  • @LaraFabans
    @LaraFabans 15 днів тому +12

    I'm so glad you did this. My daughter and her friends were nuts about Portal. And she got her father a shirt that said The Cake Is A Lie on it. Can't wait to send her this.

  • @hyunseo3797
    @hyunseo3797 20 днів тому +43

    You do accelerate as you fall in Portal. There are puzzles which require you to jump down from different heights into portals to build enough momentum. Also the reason why there's a cap on the maximum velocity of the player is that terminal velocity exists (this is also the title of the achievement you receive for putting 2 portals facing each other vertically and jumping inside).

    • @TheAngelsHaveThePhoneBox
      @TheAngelsHaveThePhoneBox 4 дні тому +1

      Yep, the portals in the clip Sabine showed just weren't aligned properly which caused the player to hit the edge each time, preventing the "infinite" acceleration to occur (up to the terminal velocity of course).

  • @D.Eldon_
    @D.Eldon_ 28 днів тому +355

    "I'm not here to have fun, I'm a physicist!" Hilarious!!! The costume was great. More, please!!!

    • @ashroskell
      @ashroskell 27 днів тому +12

      Oh, Sabine. Is it wrong of me to admit that your outfit is doing things to me? . . . What were you saying again, Sabine? Something about physics, right? . . . Can we get the poster somewhere?

    • @sluggo206
      @sluggo206 27 днів тому +7

      This is like the "I am lying" paradox. She implies physicists don't have fun. But she's a physicist having fun when she says that.

    • @johnalden948
      @johnalden948 24 дні тому +3

      I'm in love with teacher

  • @HairBallaz
    @HairBallaz 27 днів тому +452

    Sabine promised us there'd be cake. She did not disappoint

    • @denirodarkqwerty
      @denirodarkqwerty 27 днів тому +18

      i was disappointed. was interested in a different variety of cake but never peeped

    • @VenTGM09
      @VenTGM09 27 днів тому +20

      @@denirodarkqwerty what is wrong with you 😔

    • @sfcrosby1
      @sfcrosby1 27 днів тому +29

      The cake is a lie

    • @a.hardin620
      @a.hardin620 27 днів тому +13

      I was ready to watch this video with one hand.

    • @ZhePorgi03141
      @ZhePorgi03141 27 днів тому

      @@a.hardin620 The fuck

  • @rayrocha4189
    @rayrocha4189 27 днів тому +28

    This is one of my favorite videos by physicist

    • @ExcaliburPaladin
      @ExcaliburPaladin 21 день тому

      This is easy every student's favourite video that physics teacher played them

  • @Maxwe1I
    @Maxwe1I 22 дні тому +28

    The portal gun doesn't use wormholes, it uses quantum tunnelling. One of the images of the disassembled images of the portal gun deliberately state this

    • @Maxwe1I
      @Maxwe1I 18 днів тому +4

      @@Husseinalgerf my guy it is literally cannon how the portal gun works, if you've played the game you've probably seen the loading screen where it literally calls the portal gun a "quantum tunnelling device"

    • @Husseinalgerf
      @Husseinalgerf 17 днів тому +1

      @@Maxwe1I Thanks, I didn't doubt that, I meant something else, my bad it was not accurately related to your comment, so I deleted it.

    • @Dalroc
      @Dalroc 17 днів тому +4

      Sabine getting basic facts wrong?
      Sounds like everything is as usual then!

    • @AFastidiousCuber
      @AFastidiousCuber 15 днів тому +6

      That same screen shot also depicts the portal gun as somehow containing a miniature black hole. I'm pretty sure the people who made that graphic don't really care about the physics and were just randomly mashing together technobabble.
      Also, a quantum mechanical interpretation of the portals would probably be worse. Quantum tunneling is probabilistic and quantum entanglement can't be used to transfer data.

    • @midbc1midbc199
      @midbc1midbc199 13 днів тому +1

      Cave Johnson couldn't afford black hole guns so he went the cheaper route

  • @Netro1992
    @Netro1992 28 днів тому +598

    Let no one ever say that Sabine isn't dedicated to her craft.

  • @justaguy8982
    @justaguy8982 28 днів тому +702

    Seeing Sabine in a cosplay wasnt something I expected for today, but I'm glad it happened.😂

    • @TheBaldrickk
      @TheBaldrickk 28 днів тому +16

      To be honest, I wasn't expecting it ever.

    • @astrocoastalprocessor
      @astrocoastalprocessor 28 днів тому +2

      @@TheBaldrickk What if she started selling her digital wardrobe 😅

    • @player1_fanatic
      @player1_fanatic 28 днів тому +8

      Hint: Go back to the begging of her channel, when she made music videos.

    • @kruks
      @kruks 28 днів тому +2

      If you did expect it, I'd have questions.

    • @rhetorical1488
      @rhetorical1488 28 днів тому +4

      @@astrocoastalprocessor based on my knowledge of the internet she would become a multi millionaire😄

  • @John-gz8tf
    @John-gz8tf 15 днів тому +3

    Back when I was young and had lots of energy (in the 1970s) I used to fantasize about having portals at the top and bottom of my favorite ski hill so that when you got to the bottom, you could ski into the portal and come out at the top and just keep skiing and skiing. Now that I'm older I appreciate the break provided by taking the lift back up to the top!

  • @JaguarBST
    @JaguarBST 27 днів тому +225

    Puts on a costume, hair, portal theme background, animations, gameplay footage and nerds out about portals and their science and says “I’m not here for fun” with a straight face. 😂

    • @user-rz7kn5zw6g
      @user-rz7kn5zw6g 26 днів тому +4

      Love the outfit

    • @juggsauce
      @juggsauce 25 днів тому +4

      Deadpan is the best pan. German humor ✌️

  • @EarthlyMix
    @EarthlyMix 28 днів тому +233

    I'm a black South African living in the rural areas. I love Sabine Hossenfelder because she makes me think beyond my village circumstances. Her way of explaining scientific concepts is humerus and intriguing.

    • @Thomas-gk42
      @Thomas-gk42 28 днів тому +31

      Best wishes from Germany. Sabine is truly our best export of the last decades.

    • @noway8233
      @noway8233 28 днів тому +4

      Cool men , its good to lear and think😊

    • @karrde54
      @karrde54 28 днів тому +8

      I don't have a bone to pick here, just puns.

    • @KippGenerator
      @KippGenerator 28 днів тому +2

      @@Thomas-gk42 I'm in love with her now. What was this video about again?
      Edit: OK, maybe that was a stupid comment, sorry about that. I love her videos. It is one of the things I look out for every day.

    • @frun
      @frun 28 днів тому +4

      I'm happy to hear people in rural areas of Africa have access to internet🙏

  • @cobrasteve427
    @cobrasteve427 24 дні тому +8

    Holy costumes! The physics needed for it to fit so well adds a whole new dimension to your videos! ❤

  • @jackcox7178
    @jackcox7178 22 дні тому +7

    I'd argue that thinking and talking about the science behind anything, no matter how fictional, is an EXCELLENT use of your time.
    Applying the knowledge we have to different hypothetical scenarios is a great way to reinforce our understanding of it, as well as test the limits of what we know.
    Examining what we've learned from different angles and taking concepts to their extremes is how we discover new things or gain a deeper understanding of what we thought we knew.
    And, if nothing else; it's a fun way to keep yourself and others inspired, engaged, and thinking creatively. Based off her content, Sabine definitely understands the importance of making science fun and engaging.

  • @HelenaSaysRawr
    @HelenaSaysRawr 28 днів тому +295

    Best birthday gift today: Sabine in full cosplay talking about portals and nerding out about their science. 10/10

  • @gliderfan6196
    @gliderfan6196 28 днів тому +185

    "I'm not here for fun - I'm a physicist"
    Such a humble statement.

    • @geordi-gabrielrenauddumoul449
      @geordi-gabrielrenauddumoul449 27 днів тому +2

      Physicist AND German, absolutely no fun allowed

    • @Boris_Chang
      @Boris_Chang 27 днів тому +5

      Sabine: “A lot of people don’t believe Germans can be funny-because they’re too fixated on things like mathematical precision and the like. That’s not true. I can be fun and funny. I know some good jokes-let me share some with you. Okay? Joke number one…”

  • @Robot_Bandit
    @Robot_Bandit 14 днів тому +4

    When I see people walking through a portal in a movie, I can always tell it's not real because they never show any wind. Unless the atmospheric pressure at both locations is exactly the same it is going to be a very windy portal. We should be thankful nobody has ever opened a portal between earth and a location in deep space. That happened on Mars once and you can see how that turned out.

  • @ruprecht9997
    @ruprecht9997 27 днів тому +16

    On the left "this guy again" and on the right Sabine in that outfit, and then repeatedly claiming "this is not about fun!".
    Gotta love German humour!

  • @yunusemreselcuk2128
    @yunusemreselcuk2128 27 днів тому +69

    I expected that the thumbnail was just a photoshopped image or an AI generated image and that's all. Wow, Prof. Sabine has improved the fun factor of the video exponentially!

  • @wesb8159
    @wesb8159 28 днів тому +69

    Very impressive. The portal information was good too.

    • @stefcas
      @stefcas 28 днів тому +2

      Funny!

    • @cozzy124
      @cozzy124 24 дні тому

      ...what do you mean by that-

  • @thirstyCactus
    @thirstyCactus 27 днів тому +18

    In Portal, there is acceleration as you fall, however, terminal velocity is relatively low.

    • @adolfodef
      @adolfodef 24 дні тому +3

      If the portals are placed one directly on top of the other, you will experience a little less acceleration than normal.
      . This is caused by the lower portal effectively "blocking" the "line of sight" of a small % of the mass of the Earth [spoilers: the lab is not on the Moon, or in orbit...]; that is directly underneath (but not most of of it, that can still "see you" from the sides).
      . There is also the fact that you are pushing down air every time you "emerge" from the upper portal, but air can not pass-through the lower portal freely (there is a very weak "force-field" barrier preventing this "casual" flow, that is still not strong enough to block water or a vacuum present on only one side); so the acceleration of your body is slightly dissipated by air resistance transferring energy to the sides, while the relative high pressure below you & low pressure on top of you makes a "cushion" effect.
      -> Combining both effects, you are accelerating a bit slowly & your "top speed" terminal velocity is also a bit lower.

    • @samsanchez8997
      @samsanchez8997 9 днів тому +1

      Thank you! I agree but could not put it into words. The gravity pull on the makes up for the lack of gravity once you pass through the bottom portal. Therefore you should slowly increase velocity until you reach terminal velocity.

  • @herzogsbuick
    @herzogsbuick 14 днів тому +1

    Sabine, I am but a simple bass player with an EE background. In the two years or so I've followed you on UA-cam, you give me hope: for those who distrust mainstream physics, because of your tact, and for those who look down on others with disdain, because of your tact.
    I've commented on many of your videos, and appreciated all the time you've put into this. Your channel has changed and adjusted a lot over the years. And it was never appropriate before, and might not be now, for me to say, that, I hope you know that you are, and always have been, very easy on the eyes. From an Alaskan who just crawled out from under his broken wheel bearing. You were hot before you put the suit on. This would be the only video or context I felt I could say that without taking away from what you do. Thank you for talking to people. And the suit :-P

  • @msromike123
    @msromike123 28 днів тому +283

    I played that game for MANY hours, and never once thought about it possibly being a black hole. Thanks Sabine.

    • @drkevorkian2508
      @drkevorkian2508 28 днів тому

      This is actually confirmed in one of the Portal 2 trailers.
      ua-cam.com/video/wX95c88qreg/v-deo.html

    • @maxhagenauer24
      @maxhagenauer24 28 днів тому +3

      Well Glados has her way of finding how to violate conservation of energy.

    • @chillfluencer
      @chillfluencer 27 днів тому +2

      ...then think of it as a wormhole instead.

    • @SBImNotWritingMyNameHere
      @SBImNotWritingMyNameHere 26 днів тому +1

      The portal gun has a miniature controlled black hole inside
      Wheatley talks abt it I'm pretty sure

  • @jeffwads
    @jeffwads 28 днів тому +104

    I don't need a degree to know that Sabine looks amazing in that cosplay outfit.

    • @tray22
      @tray22 16 днів тому +2

      She should be proud of how in shape she is.

  • @gabrielwalters7084
    @gabrielwalters7084 15 днів тому +4

    What better way to get science to the masses? Keep this up and we'll soon have a scientifically literate majority

  • @gefginn3699
    @gefginn3699 27 днів тому +6

    You crack me up Sabine ! Much love, care and blessings to you and your family/ channel/ efforts ! 💛

  • @rundata
    @rundata 26 днів тому +12

    You made more fans happier than you can imagine today

    • @rundata
      @rundata 19 днів тому +1

      Shout out to my creeps
      Ahem.. Peeps

  • @usdescartes
    @usdescartes 27 днів тому +96

    Portal in the ceiling and floor accelerates a LOT. But just like in real life, eventually air resistance brings you to terminal (constant) velocity. Makes TOTAL physics sense!

    • @julian78W
      @julian78W 27 днів тому +15

      Yeah, that's what I was gonna say. Maybe the terminal velocity in portal is a bit too small, that's all.

    • @juliavixen176
      @juliavixen176 27 днів тому +4

      She didn't mention in the video that in General Relativity, free-fall is a non-accelerating inertial reference frame. It is the portals themselves which are accelerating upwards.
      I haven't actually done the math yet, but, anything "falling" continuously between the portals would probably get spaghettified by tidal forces. For Earth's gravity this would take about 20 minutes of falling.

    • @pedrolanna1551
      @pedrolanna1551 26 днів тому +8

      But doesn't the air itself also, mostly, goes into the portals, picking up speed and eventually almost catching up to the speed of the falling object/person? From the "air's"POV, it's as if several objects are falling, one after another, dragging the air on this current along with it. If we could place a glass tube, preventing the air from outside the "path" of the falling object to mix with the air that's already being dragged, it should reduce the air resistance even more. If it's a person, it would also eventually suffocate from running out of O2, if we used the glass tube or if it's a closed room.
      If we remove the air resistance with a vacuum seal, would the object accelerate indefinitely until reaching close to the speed of light?

    • @johnnyc.31
      @johnnyc.31 25 днів тому

      No duration of falling in our atmosphere could result in spaghettification. Ask Felix Baumgartner.

    • @brainstormsurge154
      @brainstormsurge154 24 дні тому +3

      ​@@pedrolanna1551 Certainly never thought about the air that much. In the second game (spoilers) when you make a portal to the moon the vacuum does drag everything out that's not nailed down like what is usually depicted with air an airlock exposed to space. Because of that, one would imagine that the air in the room with two ends of the portal simply moves and mixes around in a mostly normal fashion.
      What would be interesting to see, if things just accelerated towards the floor (Earth), is if you assembled a modular sealed tube from the floor to the ceiling. It's just the glass tube you described. However, what I don't think was thought of is would the air itself continually accelerate? If it did, how fast could it go before it eventually went so fast that the friction it had with the tube broke the tube? Then again, what if the tube was frictionless like a superfluid?
      Then you start to think of materials like if the tube was filled with superfluid or plasma instead of air. Or what if it was a vacuum inside the tube and there was a small object that just kept accelerating, what then? It's certainly interesting to think about.
      But what if a real portal has something like a surface tension that prevents anything without enough velocity to pass through like was depicted in one possibility within the video then even a vacuum wouldn't actually affect the air with the portal with air. At least, not without the portal moving in a manner that would break this tension. At least that's what seems like might happen as I'm not a physicist and wouldn't know how to put together the maths.

  • @jeffwong1310
    @jeffwong1310 28 днів тому +186

    appreciate how dedicated you're in your video, with this cosplay!

    • @goldenshatter
      @goldenshatter 28 днів тому +3

      This used to be a music video cosplay channel until it became a fearmongering climate channel.

    • @antonk.653
      @antonk.653 28 днів тому +10

      @@goldenshatter Well, and physics sometimes, actually all the time. Do you even watch the content?

    • @goldenshatter
      @goldenshatter 28 днів тому +1

      @@antonk.653 I was an very early subscriber here for the music videos stayed for the sci-fi in real life explanation videos.

    • @antonk.653
      @antonk.653 28 днів тому

      @@goldenshatter What do you mean by "Sci-fi in real life" ?

  • @ChrisBigBad
    @ChrisBigBad 25 днів тому +5

    This was a triumph.
    I'm making a note here: HUGE SUCCESS!
    Danke. Damit habe ich nicht gerechnet ^^

  • @CoughSyrup
    @CoughSyrup 23 дні тому +5

    Debates have raged on in forums for years about the physics of entering a moving portal, with no clear consensus, so I was surprised to see you arrive at a definitive answer seemingly without a violation of momentum or energy at the end.

    • @abelnemeth4346
      @abelnemeth4346 21 день тому

      It is because, she finally takes conservation of energy seriously, which is largely ignored on the forums. If you were to put a portal next to you on the wall, and one on the ceiling, you would have to push your body with great force, in order to get to the other side, because you are doing the same work as if to climb up there on a ladder, or anything. It is as if you were to do a push up, but about 10 times your body weight (in case of moving your body 10 inches, and the ceiling being 100 inches high.) It would feel like pushing against some very hard rubber. You would be likely to bounce back instead of falling through.

  • @ewasteredux
    @ewasteredux 28 днів тому +172

    Cosplay + Cake = the worlds most interesting class. We need this in public schools!

    • @akompanas
      @akompanas 28 днів тому +5

      The cake is a joke on the plot twist in Portal (either one or two, don't remember).

    • @WalterLoggetti
      @WalterLoggetti 28 днів тому +13

      @@akompanas The cake is a lie (portal 1) :)

    • @tomholroyd7519
      @tomholroyd7519 28 днів тому +7

      tbh I was too distracted by her six pack to remember what the video was about
      I'm sure if she does 10 or so more videos like this I'll get used to it

    • @Inertia888
      @Inertia888 28 днів тому +2

      Now I wonder if Sabine could resist playing with a hula hoop while making the video, and pretending that she was jumping through a portal. (certainly wouldn't be having fun while doing so, but for science, of course! )

  • @billjohnson6863
    @billjohnson6863 28 днів тому +84

    Sabine’s deadpan delivery works well with the costume 😂

    • @NPC-bs3pm
      @NPC-bs3pm 28 днів тому +5

      Seems like a legit person coming from the sci fi universe.
      It works.

    • @tomholroyd7519
      @tomholroyd7519 28 днів тому

      I guess I haven't seen the movie but does she have holsters for the portal guns? I know it's always a problem for presenters to know where to put their hands, like if they are holding an ice cream cone when an international diplomatic portal opens up

    • @JeremyB49503
      @JeremyB49503 26 днів тому

      Sabine has an arthouse-Bill-Murray level mastery of deadpan! I recently listened to her Existential Physics audiobook which was read by a narrator and the humor fell flat but I could still appreciate it by imagining Sabine saying it all in her own voice. We're so fortunate to have her.

  • @MervinGeulerHere
    @MervinGeulerHere 15 днів тому +1

    Sabine's dedication to her channel is something for all of us to be proud of!!!!
    You're Amazing!!! ❤❤❤

  • @dannypope1860
    @dannypope1860 24 дні тому +24

    You wouldn’t end up falling to “the speed of light”… there is wind resistance… you would stop accelerating at your terminal velocity…

    • @Babihrse
      @Babihrse 23 дні тому +2

      But is there really wind resistance when two portals are right next to each other pretty soon the wind is going to be howling along with you from the air being pushed and transported rushing towards the entrance

    • @JustinLe
      @JustinLe 23 дні тому +6

      man, if only you watched the video for ten seconds more to get to the point where she addressed this

    • @kevinnugent6530
      @kevinnugent6530 22 дні тому

      So do it in a vacuum. Do it on the moon.

  • @ManuDunno
    @ManuDunno 28 днів тому +156

    I did not expect Sabine to be in full cosplay one of these days. I am not disappointed.

    • @thrwwccnt5845
      @thrwwccnt5845 28 днів тому +7

      sabine lain cosplay next

    • @ManuDunno
      @ManuDunno 28 днів тому +2

      @@thrwwccnt5845 Hell yeah, I second that.

  • @jasonm2081
    @jasonm2081 28 днів тому +71

    Thank you. Thank you for being wiling to be silly and have some fun and still teaching us at the same time. I think too often scientists fall into the "I am working on things you can not and will never understand and I feel no need to explain why I am doing what I am or how it is being done."
    Thank you for continuing to make learning about science fun.

  • @ManuelBilderbeek
    @ManuelBilderbeek 12 днів тому +1

    Hossi, you rock. Lots of appreciation from a fellow physicist here.

  • @andyfox6023
    @andyfox6023 27 днів тому +4

    I'm going to have to play this video again but with my eyes closed to be able to concentrate on what's being said! ...This is definately your "look". A physically perfect physicist ! Ooh la la ❤

  • @williammartin6510
    @williammartin6510 28 днів тому +88

    Between Sabine style of speaking and the waving of the pistols, I kept waiting for her to say “ Go ahead punk make my day”

    • @scene2much
      @scene2much 28 днів тому +4

      Is that a 'Clint' in her eye that I'm seeing?

    • @SoftSemtex
      @SoftSemtex 28 днів тому +1

      imagine the workout

    • @williammartin6510
      @williammartin6510 27 днів тому +4

      The Good, the Bad and the Physicist

    • @WouterCloetens
      @WouterCloetens 27 днів тому

      … but in German, in the voice of the singer of Rammstein.

  • @user-we1ue3fl5h
    @user-we1ue3fl5h 28 днів тому +49

    I bought Portal-2 for my nephew when he was just in the 4th grade, because I wanted him to think three dimensionally. He mastered it quickly. Now several years later, he just completed his PhD in Physics. I'm hoping this game played a factor in expanding his mind and influencing his love of STEM.

    • @CarlBach-ol9zb
      @CarlBach-ol9zb 27 днів тому +1

      Bruh? Doesn't everyone already think in 3D? It came with ya' fucking mind

    • @ckmishn3664
      @ckmishn3664 27 днів тому +4

      "Several years"? How many grades did he skip? Because that should have taken at least 16 years if he didn't skip anything (and Portal 2 came out in 2011).

    • @bengal_tiger1984
      @bengal_tiger1984 26 днів тому +3

      How'd he get his PhD already? If he was in 4th grade in 2011 (when it came out), people are usually aged 9-10 years old then, so he'd be 21-22 right now. That's the age people are in their final year of undergrad.

  • @Torgo-and-the-Lucifer-Cat
    @Torgo-and-the-Lucifer-Cat 17 днів тому +2

    Had to look at Sabine twice. And again. 😊 As doctor Seuss said, "a portal that's red, a portal that's blue, not any kind of portal will do!"

  • @neilb1619
    @neilb1619 27 днів тому +1

    Sod the Physics. I stayed for the costume!
    Much more like this please, Sabine.

  • @aarontrue5719
    @aarontrue5719 27 днів тому +61

    This was a triumph.
    I'm making a note here:
    HUGE SUCCESS.
    It's hard to overstate my satisfaction.

    • @fugallik
      @fugallik 27 днів тому +2

      and now, go make some new disasters,
      that's what I'm counting on...

    • @justarandompally
      @justarandompally 25 днів тому +1

      aperture science
      we do what we must because we can

    • @anotherbacklog
      @anotherbacklog 25 днів тому +1

      For the good of all of us
      Except the ones who are dead

    • @NezzConstantine
      @NezzConstantine 25 днів тому +1

      But there's no use crying over every mistake.

  • @ngraner421
    @ngraner421 28 днів тому +47

    You were a world class science educator, you are now also a world class entertainer. Thank you for your work.

  • @melnikhoogland7545
    @melnikhoogland7545 11 днів тому +1

    Yes the costume of course. But an entire 15 minute video waving around 2 colorful plastic squirt guns with every gesture is also absolutely priceless.

  • @themarlboromandalorian
    @themarlboromandalorian 21 день тому +2

    I can appreciate the level you went to for a good thumbnail.
    Because I've seen plenty of your videos, and I appreciate the brain of and admire the individual who puts so much effort into creating videos to help the world understand physics.
    Excellent work.

  • @spitefulwar
    @spitefulwar 28 днів тому +219

    Now you've done it. We demand the catsuits to stay.

    • @RokeJulianLockhart.s13ouq
      @RokeJulianLockhart.s13ouq 28 днів тому +39

      It would definitely move this channel into a unique niche

    • @timberwoof
      @timberwoof 28 днів тому +6

      I want to see Alex O'Connor and the Genetically Modfied Skeptic in catsuits.

    • @jamiluvvi6736
      @jamiluvvi6736 28 днів тому +10

      Yes cosplay from now on!

    • @RokeJulianLockhart.s13ouq
      @RokeJulianLockhart.s13ouq 28 днів тому +2

      @@timberwoof GMS would be even less charismatic than Sabine in a catsuit, and it would be even more contextually inappropriate. It'd be amazing.

    • @AlexWalkerSmith
      @AlexWalkerSmith 28 днів тому +1

      ​@@timberwoofdon't forget Steven Woodford 👍🏻

  • @brianmcguinness9642
    @brianmcguinness9642 28 днів тому +38

    Larry Niven wrote an article on this called "Exercise in Speculation: The Theory and Practice of Teleportation" where he discussed this sort of thing. It was published in his story collection All The Myriad Ways in 1971.

    • @mesabimike8123
      @mesabimike8123 27 днів тому +4

      along with a speculation of Superman's sex life. "Man of Steel.....Woman of Kleenex"

    • @brucegoodwin634
      @brucegoodwin634 27 днів тому

      @@mesabimike8123 Niven Nerds Unite!

    • @brianmcguinness9642
      @brianmcguinness9642 27 днів тому +1

      @@mesabimike8123 That was a fun article.

  • @gmenezesdea
    @gmenezesdea 25 днів тому +1

    Great video. I played the hell out of both games back in the day. Can't believe the first one came out almost 20 years ago.

  • @David-uc4hc
    @David-uc4hc 25 днів тому +3

    I love seeing Sabine cosplaying here!

  • @mrmidnight8975
    @mrmidnight8975 28 днів тому +25

    The costume, the wig, the toy guns...
    Hallmarks of a dedicated physicists ❤❤❤❤❤

  • @erikziak1249
    @erikziak1249 28 днів тому +25

    3:00 Objection. Terminal velocity. You fall through air. Turbulence will occur. The air in the closed system (room) will eventually stop your acceleration, you reach your terminal velocity, dependent on the air flow in the room. You falling forever through the portals will just heat up the room, even if slowly. When the room has nowhere to radiate heat, it will heat up forever. I expect that you would die of thirst long before the room heats up to any uncomfortable level, as the energy added into the system by your body falling down is rather small.

    • @EnjoyPA
      @EnjoyPA 27 днів тому

      Came here to say this.

    • @tommig3
      @tommig3 27 днів тому +3

      In the game itself I thought that air would start flowing through the portal in the same way that everything else would so you'd be in a column of rapidly accelerating air however in Sabines (superb) vid none of the air would have enough kinetic energy to traverse the portal against the different gravity so i suppose as you jumped through the portal you'd feel an additional push. Another thing though... nerding up a bit more here... air pressure between the ceiling and the floor would have a larger influence than gravity so perhaps the pressure of the air at floor level would force the air through the portal causing the column of rushing air to occur?

    • @Mecharnie_Dobbs
      @Mecharnie_Dobbs 23 дні тому

      ​@@tommig3 The pressure difference between floor and ceiling isn't that great, and wouldn't it soon equalise once they were connected?

  • @Kirschbaumleiche
    @Kirschbaumleiche 17 днів тому +1

    Dear Sabine, I really did enjoy your analytical approach to pop culture from a scientific point of view. Could you see yourself doing more videos of this kind? It is very intriguing to watch you philosophize about Portal in a deeper level

  • @elviswright9547
    @elviswright9547 22 дні тому +2

    I wondered... Thanks for explaining.

  • @MartinX333
    @MartinX333 28 днів тому +253

    It turns out GLaDOS' full name was Caroline Hossenfelder.

    • @dydowicz
      @dydowicz 28 днів тому +4

      I wanted to give you the thumb up, but it won’t be the 137 anymore.

    • @itromacoder3088
      @itromacoder3088 28 днів тому +5

      She carolines mother

    • @danielh.9010
      @danielh.9010 27 днів тому +3

      ​@@dydowiczwhat's so special about 137?

    • @RonaldoMessina
      @RonaldoMessina 27 днів тому

      @@danielh.9010 google "fine-structure constant" and you'll know

    • @dydowicz
      @dydowicz 27 днів тому

      @@danielh.9010 Oh, so you are not a physicist. You can easily find out on your own online, it’s the one of the most well known numbers in physics.

  • @siddharthb2633
    @siddharthb2633 28 днів тому +88

    I wouldn't have understood portals without that costume.

    • @osmosisjones4912
      @osmosisjones4912 28 днів тому

      It's finally completed: ua-cam.com/video/jR5L-02kiFU/v-deo.html

    • @MOSMASTERING
      @MOSMASTERING 28 днів тому +2

      ​@@osmosisjones4912What the hell is this video? Its a recording in a crappy phone, of a youtube video, then reposted... ?
      Seriously, the audio is incomprehensible

    • @Spiegelradtransformation
      @Spiegelradtransformation 28 днів тому

      The Theory of Everything have to explain a hinge.

    • @Adam-zt4cn
      @Adam-zt4cn 28 днів тому +1

      @@MOSMASTERING It is a bot, you can see ones just like this in basically every comment section.
      They are doing it to trick the UA-cam algorithm into thinking people want to watch and share the video, and make it appear more popular than it should be. Possibly to get more ad revenue.

  • @jacktheripper777b
    @jacktheripper777b 13 днів тому +1

    Did anyone manage to pay attention to the theoretical part?
    I had never been "excited" by Physics before...
    Very good, my teacher.

  • @Loop44
    @Loop44 16 днів тому +1

    i hope you're continuing research on portals and wormholes
    also you look very nice in that suit

  • @joaogabrielfernandeszenobi3752
    @joaogabrielfernandeszenobi3752 28 днів тому +120

    I freaking love this woman

  • @pig0r
    @pig0r 28 днів тому +23

    Sabine, you're becoming my favourite scientist/science communicator. I love the way you explain things while stating your personal opinion on the matter.

  • @MemphiStig
    @MemphiStig 26 днів тому +4

    Of course there'll be cake. 🤣
    Love the outfit. It's a great look for you. I guess this means you've unlocked a new story arc.
    I'm also kind of surprised Elon didn't call during this. Or are we not doing that bit anymore?

  • @GavinM161
    @GavinM161 27 днів тому +2

    For some reason I found it EXTREMELY difficult to concentrate on what Sabine was saying...

  • @Redrogue4711
    @Redrogue4711 28 днів тому +26

    This is synchronicity at it's best. I played both games for the first time during the past week and got hooked. Then this shows up. For games that old. Unbelievable.

    • @y5mgisi
      @y5mgisi 28 днів тому +2

      I love a good synchronicity.

  • @profusemoose1488
    @profusemoose1488 28 днів тому +243

    Sabine calling the game "Portals" is such a perfect version of grandma asking if you had beaten "pokeymans" yet lmao.

    • @BinaryFreak
      @BinaryFreak 28 днів тому +21

      Still better than not asking at all.

    • @DragoNate
      @DragoNate 28 днів тому +14

      sure puts a smile one's face :D

    • @NeostormXLMAX
      @NeostormXLMAX 27 днів тому +4

      i mean after her video on economics, i really think the cracks are starting to show, and she really seems to me no different than those ai grifters who pose as a much higher level of expert than they actually war

    • @phenel
      @phenel 27 днів тому

      @@NeostormXLMAX are you saying you think she's actually a dumbass pretending to be a smart woman because she made a mistake in another video?

    • @jed1nat
      @jed1nat 27 днів тому +27

      @@NeostormXLMAX Well that was a leap.

  • @temanor
    @temanor 24 дні тому +3

    From what I remember, the portal gun was a "quantum tunneling device", meaning it didn't use wormholes.

  • @dwaynesievers1397
    @dwaynesievers1397 27 днів тому +4

    OMG!!!! Sabine!!!! That was amazing! AND, looking the way you did…(CGI? Body suit?! wig?) it was very hard to concentrate on the actual content of the video! I’m 58 and not very tech savvy, but very interested in physics my entire adult life. I love your content! Anyway, this one blew me away. Keep up the GREAT work!

    • @takanara7
      @takanara7 25 днів тому +1

      It's a body suit.

  • @almac4067
    @almac4067 28 днів тому +61

    This might not win you a Nobel prize but you just appreciably increased the happiness of humanity. Good work!

  • @ChielScape
    @ChielScape 28 днів тому +336

    This video was a great excuse to wear your sci-fi suit, wasn't it? 😂

    • @2adamast
      @2adamast 28 днів тому +21

      Must have worked on her weight for months and wearing the suit is the excuse

    • @SabineHossenfelder
      @SabineHossenfelder  28 днів тому +213

      indeed!

    • @fransahm1956
      @fransahm1956 28 днів тому +24

      @@SabineHossenfelder What ever you did ... it's working ;)

    • @CCRoselle
      @CCRoselle 28 днів тому +37

      @@SabineHossenfelder IIRC ...Mother of TWINS! and a marathon runner... and some other minor stiff on her CV.

    • @timberwoof
      @timberwoof 28 днів тому +17

      Who needs an excuse?

  • @RickSjoerds
    @RickSjoerds 14 днів тому +1

    That was an unexpected twist to the video! Great vid, Sabine! Loved the cosplay 👍

  • @jordanjackson6151
    @jordanjackson6151 19 днів тому +1

    This video is so above the integrity of click bait, that it actually starts out with what the thumbnail and title is advertising. And actually stays interesting. I'd been subscribed for a while. But this is very well placed to where I could show it to some friends and they'd be hooked. Which I'll probably do next time I see them....

  • @ChrisBrown-iu8ii
    @ChrisBrown-iu8ii 28 днів тому +8

    Dang Sabine, I don't know what you do to keep in shape but keep it up because it is definitely working.

  • @justlisten82
    @justlisten82 28 днів тому +14

    Hard to focus when I'm thinking "damn she's looking hot in that outfit" Kudos Sabine

  • @louisgiokas2206
    @louisgiokas2206 27 днів тому +1

    Epic! This reminds me of my student days in the third quarter of the last century of the last millennium. We didn't have video games, but we did have science fiction books. Actually, there was a collection of them in bathroom, just in case one needed a good read. I am sure we analyzed wormholes at the time.

  • @PecoraSpec
    @PecoraSpec 27 днів тому +2

    i mean, I already loved you, now this nerdiness is quite amazing.

  • @napotronix
    @napotronix 28 днів тому +34

    OK, Sabine in a skin tight Portal cosplay suit wasn't on my Bingo card for 2024. Glad my wife didn't walk in forcing me to mumble something about 'science show'.

  • @Artopiumcom
    @Artopiumcom 28 днів тому +19

    THIS is why Sabine has the BEST science channel on YT!!!

  • @joebloggs8814
    @joebloggs8814 12 днів тому +1

    "... it gets nasty when you try to figure out *when* a portal opens [because time travel]"
    You should try the Portal-inspired game Gateways! (later in the game you get the time-travel gateway gun and the puzzles get tricky!)

  • @user-vf2vg5ko8b
    @user-vf2vg5ko8b 21 день тому +1

    WOW! Cosplay & Physics! Love it Sabine!!!😍😍😍

  • @ladislavondrejicka682
    @ladislavondrejicka682 28 днів тому +44

    I almost dropped my phone. Never ever thought I see this. 😁

  • @klichmichael1442
    @klichmichael1442 28 днів тому +7

    Her energetic, serious gesturing with the weapons is hilarious. Science communication triple plus.

    • @jacob.tudragens
      @jacob.tudragens 28 днів тому

      Her grip on the pew pews is 'triggering' me!

    • @johnsmith-kc1sn
      @johnsmith-kc1sn 28 днів тому

      Note fingers on the triggers at all times. Sabine is ready for action.

  • @Amon26
    @Amon26 26 днів тому +1

    perfect timing on this one. i'm actually leading a small studio creating a game with non-euclidean geometry and portals in it

  • @jasont7866
    @jasont7866 27 днів тому +1

    I've been thinking about the game portal since ive been playing it a few years back ,with how the momentum conservation works and what would happen if you put portal at the ceiling and floor; I knew it wasnt gonna work like the same as the real world but its an interesting thinker to solve! Thanks for explaining it more further, Sabine!

  • @noizW
    @noizW 28 днів тому +16

    Sabine is one of the funniest humans I've ever "seen" - and they say Germans don't have Humor. I love her Charisma

  • @theonetruemorty4078
    @theonetruemorty4078 28 днів тому +65

    Sabine in a skin suit pointing a gun at you. The thing that none of us knew we needed.

  • @flastable9842
    @flastable9842 21 день тому +1

    I love the uniform and the portal guns. And I learned sone new physics. This channel is awesome. 😎

  • @jdmorgan82
    @jdmorgan82 27 днів тому +2

    Wow. Ok. Do we get more of this in the future? How creative can you go with this?

  • @tezzerii
    @tezzerii 28 днів тому +9

    I tried hard to concentrate on the physics, I really did - - -
    And after years of thinking I can't multitask, I find that I can !!

  • @fabiopaolobarbieri2286
    @fabiopaolobarbieri2286 27 днів тому +16

    I write comics and fanfics, and you've given me a whole lot of story points, some of them hilarious.

  • @rampagingshark
    @rampagingshark 12 днів тому +1

    I love you talking about this topic!!! More!

  • @samedwards6683
    @samedwards6683 26 днів тому +1

    Thanks so much for creating and sharing this informative and timely video. Great job. Keep it up.

  • @troleary
    @troleary 28 днів тому +41

    You look stunning . I didn’t hear a word at the beginning. Need to rewind !!

  • @detocquevi11e
    @detocquevi11e 28 днів тому +73

    I always hypothesized that Sabine was fit. Today, hypothesis confirmed.

    • @Hirsbrochannel
      @Hirsbrochannel 28 днів тому +4

      indeed

    • @TactileTherapy
      @TactileTherapy 28 днів тому +6

      i need more hands-on research to confirm

    • @mroracle464
      @mroracle464 28 днів тому +4

      Don't be gross ​@@TactileTherapy

    • @thesenamesaretaken
      @thesenamesaretaken 28 днів тому +3

      ​@@mroracle464 no, no, I think he means to try something physical, not biological.

    • @mroracle464
      @mroracle464 28 днів тому

      @@thesenamesaretaken oh, if that's the case then my bad

  • @RubeusArchos
    @RubeusArchos 26 днів тому +1

    Love how you took two things I like and made it fun but I am learning something.. by the way you getup is awsome.. you should do more videos like this..

  • @tomtomminger6227
    @tomtomminger6227 26 днів тому +1

    Thanks for this amazing video. i loved the Portal games, now even more with the scientific context given by you.