Sphere Inside out Part - II

[CreamyRage]

Wouldn't there be an infinitely tight point at the centre where they all interact? When pulled through the equator :/

[TheSmoonge]

@CreamyRage Didn't you watch the video? It didn't get pulled into a point. Watch it again closer this time.

[Lrac1700]

it kinda makes me wanna barf

[thebackyardmovies]

dem end credits

[pressionezero]

nice explanation !!! ... I am just about to take a course in which I am going to understand what is going on there . Thanks for the surprise

[trultima]

so why is the useful in any way?

[r77xxl]

Don't you find it sexist how the guy was asking all the questions and the chick was the know it all?

[boinghd]

think the transformation of circles has any bearing on theoretical physics?

[abcRebel]

@boinghd I am trying to figure that out.

[boinghd]

@abcRebel It could be any shape that fits the bill, really. But a circle could mean anything xD

[abcRebel]

@boinghd No, the actual properties such as passing through matter.

[boinghd]

@abcRebel I don't believe that's possible. If not described in theory, then it's the stuff holing space-time together, and I don't think that it's very variable.

[abcRebel]

@boinghd Unless you have the same properties of a neutrino...

[Daxtor13]

And what does this comment have to do with the video?

A lot.

[roflcopter2225]

kind of looks like a lipid

[alphaboy50]

You have a problem? Just add waves to it

[NapolianDynamite4eva]

whaaaa????



[bakonfreek]

lolwtf

[TypicalPure]

WITCHCRAFT I SAY

[Filo127]

I feel sorry for the poor bastard who had to animate all this shit

[nemie12345]

This is so cool!! I seriously understand it now! My brother showed me it when I was 6 but I didn't understand it , but now I'm 11 and I completely understand it now!!!!!

[theawesomeness070]

im on the weird part of youtube again..... fuck

[frankentomato]

@theawesomeness070 No, the weird side of youtube is a few clicks away, but this is still the nerdy side.

[ivanxdxd2008]

MIND... FUCKED

[ThePixelMafia]

this is interesting... but stupid... but interesting

[haven1324]

... this is so weird... but epic...

[fritoman182]

Some people have too much time on their hands.

[xChthonian]

@fritoman182 You have 160 minutes of Age of Empires on your channel so...

[Saelkhas]

WTF is this and why am i here?

[QWERTYCommander]

"Somebody should make a movie about this stuff!"

And Michael Bay should direct it. And it should star Leonardo DiCaprio. And it should be 3 hours long. Blockbuster for sure.

[HS30U]

Brilliant! Thank you.

[aliceinvunderland]

I actually love that the woman is the one teaching. Feminine empowerment and shit.

[GirlofanAlchemist123]

@aliceinvunderland I smiled watching this... however, 240p sucks...

I feel so smart now for using Youtube for theory exploring XDDD I just wish I could do this is real life to impress my friends! And the ribbon explanation killed my understanding XD I like the first explanation better.

[aliceinvunderland]

@GirlofanAlchemist123 Haha, well, they do present different explanations so that you can find one perfect for you. Seriously, topology is pretty mind-blowing stuff. You should tell your friends that you know how to evert a sphere using corrugations to preserve the turning number. But don't talk about bowls, domes, and saddles. That kind of destroys it, unless you talk about hyperbolic surfaces with saddles... :D There's some fodder for you!

[GirlofanAlchemist123]

@aliceinvunderland Topology? There's a name for it??? lol wow...

hAHAHA I just wish there was some way for me to do it myself LOL but the only thing that could do that is a bubble...wait.. no right? XD dangit

[aliceinvunderland]

@GirlofanAlchemist123 Yes, topology is the name of the mathematical study of surfaces. What do you mean, do it yourself? Topology is pretty much theoretical, so I don't think there's any way that you'll be able to show your friends the eversion of a sphere.

[GirlofanAlchemist123]

@aliceinvunderland Yeah I figured it'd be impossible unless I showed them this video XDDD

[deathnotefan386]

>240p

it's a blob half the time e___e

[Juandavidpaez8]

they already have made a movie about this stuff, and its call "THE MATRIX"......;)

[rick92rr]

i LOVE this =)

[ebless]

Well that's good, but still there's something wrong about this video; How the heck is it possible that a Woman is explaining to a Man a mathematical concept?! xD

[BrettMiller33]

Who else thinks DJ Shadow should sample some of this?

[dreamweaver961]

Now back in the real world!!!

[EvilRPK]

Epic

[SunshineFan23]

7:45 No Kidding!

[mentox]

the music really adds to the video

[SpicyOrange1]

now, if only this was practical...

[YMCMBsBEATS]

wow now where can i get the material

[namdamada]

this is epicly awesome and well explained

[AtomFA]

gemoetry is a joke

[ultimatedilan]

This is scary

[TheSkilletfan111]

Teacher: what did you learn yesterday?

Kid: I learned how to turn a sphere inside out.

Teacher: and how will this help you in life?

Kid: not at all.

[RAWRxBlueDino1028]

@TheSkilletfan111 not true. with understanding this complex basis of spheres, this opens another room for possibilities that no one has had enough mind to comprehend. With this, comes a job in the studying field known as cosmology, or the geocentric or ptolemaic notion of the universe. With this comes a job. Which, in my opinion, helps you in life.

[Llaveroja27]

@TheSkilletfan111

it took him seven years to figure out...

what is life for anyway?

to solve crossword puzzles like these i guess.

[namdamada]

@TheSkilletfan111 have you seen the inside of a perfect sphere before? no? it will help you in life fool! btw, skillet are awesome :L

[Roflcopter4b]

I can honestly say that, before watching this video I considered myself to be rather intelligent. Now I feel like a shaved ape. Thank you math, for putting me in my place...

[austinhaist]

Anyone who is saying this is simple and is trying to sound intelligent by degrading other people who find this complicated are just arrogant and more then likely unintelligent themselves.

[iammach6]

Do spheres made of this kind of material exist? And if so, how much would it cost to buy one?

[NDBNTZ]

@iammach6 i hope thats sarcasm...

[Meb8Rappa]

@iammach6 Yes, they do exist! They are called "soap-bubbles".

[maso0n]

While this is genius, I'm not sure of it's importance to us :o

[xXGGMTXx]

mind fuck successful.

[TheWinnieston]

Oh...my...god.

I finally realize how this works!

[Axeltrono]

Man: Someone should make a movie about this!

Me:  ಠ_ಠ

[Sins1997]

@Axeltrono haha ikr, tho its awsome but a 20min movie about this for 10 bucks in the movie no way!

[Youloeka]

@eltodesukane Use your mind then

[lightside4]

i love how they solve it

its genius

[bbob41357]

I'm twelve, and know how to turn a sphere inside out! :D

[octemberfury]

I find this hard to believe. Why does it need to be so complex? Why does dividing into 8 sections make it work -> Why not 4 or 2? Surely, there are infinitely tight points being created. The video should show closer views of the action in one of those very tight wrinkles that are visible.

Also, this: /watch?v=I6cgca4Mmcc&feature=r­elated seems a better solution, though I'm sure it operates similarly.

[irocknrollDooM]

I look down at the below comments... My mind thinking exactly: Are science fags really arguing?

[NoLimitsNate]

37 people are cowards or fools, for either refusing a brilliant concept or disrespecting the art of mathematics. The knowledge on the internet is astounding. Thumbs up if you came across this video simply because you're one of the few perusing just to do so, who take time out to appreciate the value of expanding your conception of the known universe.

[vipertxt]

@NoLimitsNate I came here completely at random, pursuing nothing but random entertainment in all its forms, and yes, I found this entertaining, even though there isn't any useful application for this due to a lack of any material with these properties.

[MakinMagicFractals]

@vipertxt How about plasma ?

[XTheDentist]

@vipertxt Thats just it, there doesnt NEED to be any material with these properties ever. But studying abstract mathematical objects like this sometimes generates tons and tons of mathematical structure(new equations, relationships, etc) that could help in solving other problems within the respective field, in this case topology or even other areas of mathematics could benefit. I think the study of surfaces is also crucial to the development of 3D modeling/animation software also.

[MrPablo9015]

@NoLimitsNate i went from optical illusions to this so YEAH :D

[kninja41]

@NoLimitsNate I got here from a video of ball magnets.

[a1rh3add]

@NoLimitsNate its useless math because they alter the physics of the known universe in order for it to work.

[TheDaltonGillespie]

@NoLimitsNate this is brilliant? there isnt relavent to real life lol some people.....

[NoLimitsNate]

@TheDaltonGillespie... "this is brilliant? there isnt relavent to real life lol some people....."...

Perhaps you ought to consider that the relevancy of some topics is explicitly determined by the person studying them, not by the vast majority of viewers. Every one is going to have a different take, especially about the "relevance" part. So, how about we not act like fools and argue that part over the internet. I doubt it's going to be a very productive conversation.

[gwani]

@NoLimitsNate If it weren't for the mathematicians and their crazy solutions, people wouldn't be able to post stupid comments on videos... there wouldn't even be videos to comment on. Mathematicians very often just solve problems for the sheer beauty of the solution without wasting a single thought on that thing called "real life". But then one day, an engineer or natural scientist comes along and builds a rocket to the moon or a computer with that very solution... :-)

[PixelSith64]

@gwani As much as I agree with you, you're replying to the wrong person

[RandomDirectors]

I understood everything by 3:25

[priyochatterjee1]

for all those who ask how this is useful let me ask you back how is justin bieber useful

[VBEducation1]

damn why does the male have to be dumb and the female to be smart?

[BoinBoinMoniuMoniu]

does anybody think this video is a bit creepy? both visual and audial part.

[MegaBradley111]

"this is going t get complicated"....really.....as if it wasnt complicated already but im sure if explained well enough it could be easy to understand

[coolbreeze922]

And to think I started at a Neil Diamond video.

[Koolkid736]

that. is. incredible.

[dsotm13]

Lol the earth's gonna do this in 2012

[hayden8b]

Now to put this on paper

[mfamelis]

Pointless?? Think time-space and the Big Bang.

[blueAgentAj]

I KNOW HOW TO DO IT!!!

Just go inside the sphere, and divide by 0!

[omoragan]

how did i end up here

[42playerOFfate42]

I hate it when people say this is pointless to know. You just don't know what you can use this for. It's the same as sitting in class saying calculus is pointless to know but yet you didn't know engineers use it.

[ottiemans]

Wow

[bassman2914]

This is completely pointless to know but who cares!! It's cool!

[JoelB3783]

Math IS interesting!



[XCyclonusX]

Because the example of a ring was not actually a ring but a band. A true circle is a 2 dimensional object. A sphere and a band are 3 dimensional objects made up of an infinite number of 2 dimensional circles.

[chargerfish1]

is it weird that i masturbated to this?

[TheAtomicFury]

Ahh....Got an essay to write....Why am I watching this now?

[samfromda80s]

Einstein would say "u dumbass fools why u watchin this when theres boobs on jersey shore lol

[hushsarahlov3]

"somebody should make a movie about this stuff!"

[Emoll2]

So simple, but yet so hard...

[Em0Dudee21]

I would do a seminar on this :O its so interesting :D

[Superlagg]

I feel like I should be collecting someone's lunch money about now.

[Narukai12]

So you can only turn 3D objects inside out?

[lnstantPanic]

@Narukai12 There is not an inside or outside of a 2D object.

[Narukai12]

@lnstantPanic Basically what I just implied..

[iownnonickname]

I would love to see the ecuations on this.

[Scoala12345]

I'd totally want a screensaver with a ball turning inside out.

[happyblackness]

@Scoala12345 It turned my head inside out, but I love this video. I've watched it 3 times

[XJadynX]

my bwain hurtz

[xero907]

6:45

Holy crap were entering hyperspace

btw i really liked the part where i didnt understand anything from 0:00 to 10:51

[FORTY848]

that last line was so corny

[XxChRiSgOnNaPwNyAxX]

wow i actually understood this

[bigsmurf4]

I bet you whoever thought of this was trippin balls

[zachboi13]

frame 7:42

the shape and spin of a Black hole galaxy

[Regginyaga]

Doesn't this depend of your definition of a too sharp crease?

[Deadly980]

@Regginyaga no. in this case the definition of a "not too sharp crease" is most probably where the directional derivative at any point is not undefined on the "surface" of the shape.

[RyanfaeScotland]

Tell you what, if I ever play in the Fifa World Cup the crowd is going to freak out now that I know how to do this.

[sirjackson5]

could anyone explain how this could be used in practical application. just curious

[turnerzettelmeier]

oh fuck dude

[Hedgehogs4Me]

Can you do it with a 3-sphere, or any spherelike shape with more than 2 dimensions?

[sempersasha]

@Hedgehogs4Me You can do it with a sphere of even number of dimensions, because then the "cups" and the "caps" will have the same sign in the (Ncaps-Nsadles1+Nsadles2-...+N­cups) invariant. Here by Nsadles1 I mean the quantity of sadles, which look like cap in one dimension and like cup - in all others, by Nsadles2 I mean the quantity of sadles, which look like cap in two dimensions and like cup - in all others, and so on.

[allisonxnosilla]

I want to understand.. I really do

[pufixas]

@allisonxnosilla

Are you stupid or something? They are explaining it like for a 6 year old

[allisonxnosilla]

@pufixas I'm only five ):

[SuperGoodFinder]

what. 

[Waaanii2222222222225]

wtf... o.O

[InsideLimeTV]

BBRAIN MELTEDD

[mrcharm69]

5:10 - Why didn't he ask for 1080p instead?

[deoxys11]

what's the name of that theorem at 2:33?

[Manuel71]

@deoxys11 Whitney-Graustein theorem.

[ConnorJohnGriffin]

@deoxys11

Whitney-Graustein theorem. Also check out "regular homotopy" on Wikipedia.

[LaconnerLoL]

hax

[Spazman100]

Excuse me, my mind would like it's virginity back.

[HSBGuitarman2]

@Spazman100 The more you watch, the less it gets!! xD

[blisssis]

@Spazman100 hahahahahahahahahahaaaaaaaaaaa­aaa

[gold2hunt]

chainsaw chain ! same thing nearly isnt it?

[DaBunnyMasta]

who the fuck thought of this?

[DoctorGeraldSlayer]

3:11 Looks Lime A Pumpkin

[Ragib]

Why must people question "How is this Useful?". Pure mathematics in an art form, more permanent than any canvas, because it resides in the human mind.

[lugosky02]

@Ragib Because these things need funding and we live in a society with limited resources. Of course you can make the argument that mathematicians are way ahead of their time and that in the future we'll almost certainly find applications for these forms of art. The problem is that we live in a world with too many problems, take pandemics for example, which impedes mathematicians to work full time to come up with amazing things like this.

[1acroyear1]

@Ragib In other words, it's NOT useful. Thanks for the clarification.

[Ragib]

@1acroyear1 Depends. Many other mathematicians and amatuers find this work beautiful, interesting, engaging and to the truly dedicated, entertaining. So it is at least as useful as your YouTube channel.

[1acroyear1]

@Ragib Yeah, as long as none of my tax dollars went to grants for these guys to play a curvy version of Rubik's Cube. But I'd like to think such smart people would use their talents for the betterment of the human condition instead of vainly pursuing knowledge for nothing more than its own sake.

Now, excuse me. I have to turn my socks inside out to sew a hole in them. Where did I leave that slide rule?

[Ragib]

@1acroyear1 As per your wish, most mathematicians get paid extremely meagerly, most can't even get a job at a university so they all compete for a job at a bank or insurance company to earn a living studying things that are useful to the real world. Even the ones who get jobs at a University get paid like crap. People discover the interesting, creative, beautiful things in their own free time... Perhaps you could start a petition in your community to shut down the Arts faculty as well.

[1acroyear1]

@Ragib I'll get right on it!

[MakinMagicFractals]

@1acroyear1 Duh ! I think you need a history lesson or two. The number of times some knowledge "vainly pursued for it's own sake" has ended up giving us marvels that revolutionise our existence is uncountable.

[1acroyear1]

@MakinMagicFractals I really doubt that. The vast majority of useful knowledge came from people seeking answers to practical questions. And quite a bit comes from accidental discovery resulting from... well... the vain pursuit of knowledge.

THIS stuff? Well, maybe it'll be useful someday when we learn to pierce dimensions or something. Today? Not so much.

[RandomDirectors]

@1acroyear1 idiot

[1acroyear1]

@RandomDirectors Ah, name-calling. The first resort of the intellectually bankrupt.

Poor guy.

[RandomDirectors]

@1acroyear1 You are not worth any more of my time.

[bennybjbaker]

8:51 yeah they did

it's called inception.

[Dylans503]

@bennybjbaker why would you steal somebodies comment on the same video?

[bennybjbaker]

wow, amazing this really helped me imaginably turning my imaginary spheres inside-out!!

[jrlo0l]

this had confirmed me

1 why bubbles are always circle because i do this but very fast XD

2 so this is how goku transforms to ssj

3 i still think the traspasing thinghy is cheating

this has been ranked cc cool complex

[Justinio2]

Doh! And triangle... I think... :p

[Justinio2]

Wow, so cubes don't follow these rules, so that makes them instantly square. The combination of the two makes up every shape imaginable, doesn't it?

[52benmosley]

Is it possible to apply this concept to the natural world?

[fidelity3000]

what's the equation for the change in volume during the transformation?

[leo14992]

HA its so freaking simple!!!!

[hadomaru1121]

I have to go pick up the pieces of my mind now.

[ElectroMagneticWeak]

I can understand this perfectly, with just one small question:

What exactly is the difference between a donut and a coffee mug?