How to knit a klein bottle hat Videos

Every time I see something interesting that is related to math (I know everything in the universe relates to math but still), it always has someone wearing glasses. Just an observation I had

Question. How do you create a Mobius loop in two dimensions? A Mobius loop is a Three- Dimensional object like the Klein bottle is a four dimensional one. If that is true how does one walk over a Three dimensional object in a two dimensional universe.

I have a question/observation that I might just be overthinking. in the segment around 6:50 where the man is walking around the mobius strip, you show him walking around to end up upside down. however, in 3D, when he reaches the left side where it flips, he would actually begin walking on the "back side" of the strip where he started (still upside down) and continue around until he comes around the left side, right side up again. is it portrayed the way it is in this video because we're viewing it in 2D? and do the laws of the 3-dimensional world not apply to the 2-dimensional one? I was under the impression from the bit at 5:10 (about the bridge) that even if it doesn't necessarily make sense in 2D, it still is possible because of the 3D laws.. so I would think he would still end up right side up going around the mobius strip in 2D because that is the way it actually is, whether or not it "makes sense" in that dimension. does that make sense?

Is this guy working for Tim Heidecker?

The Klein stein is a perfect way to limit how much someone drinks!

@jgilferez Thank you. You just gave me a new idea. Somehow I can come up with one.

So what happens if you fill it up with water?

This guy was so fascinated about klein bottles. I wish his wish about living in 4 dimensional world comes true.

Admit it. Nobody is here for Klein Bottles, everyone is here for the guy.

I bet he snorts 20 pounds of 'math' a day. No? I'll just show myself out.

I, Joshua Allan Rivera, have cracked PI. With each step subtract the whole number and reciprocate the decimal. On the 81st step the reciprocal collapses into the whole number of 158. So I have cracked the chief of all irrational numbers. Bow down Numberphile. Bow. 1))) 3.1415926535897932384626433832795 2))) 7.0625133059310457697930051525706 3))) 15.996594406685719888923060404755 4))) 1.003417231013372603464147175288 5))) 292.63459101439547237854369576041 6))) 1.5758180896283656987656107376674 7))) 1.7366595770643507716201135470073 8))) 1.3574791275843891875198494723762 9))) 2.7973661196874565661571990519128 10))) 1.2541290322091560577073406952356 11))) 3.9350088862612480037552103620699 12))) 1.0695085519439577024570816127689 13))) 14.386718929294697189230321745787 14))) 2.5858573869756323624588253438221 15))) 1.7069000446717813965322191935073 16))) 1.4146271563249185387681830023868 17))) 2.4118053647609123920687426940947 18))) 2.4283316478418973607745191530978 19))) 2.3346395369998732207614847989982 20))) 2.9882900537254175472322442805887 21))) 1.0118486938429068680936409510052 22))) 84.397488301939923706531979292942 23))) 2.5157973080454070252970422376889 24))) 1.9387460624590295622430464768696 25))) 1.0652508063581292431332464677943 26))) 15.32548110611073602394571507566 27))) 3.0723749588702006345779533262055 28))) 13.816933586013212270601475523479 29))) 1.2240897144163038431531065726785 30))) 4.4624984355250002738912720570324 31))) 2.1621694760218170962874670785563 32))) 6.1663885493806942267743835589265 33))) 6.0100289576539108654303488981844 34))) 99.711259585390978480295927044239 35))) 1.4059564476031648624515259404503 36))) 2.4633184320736083216927294940426 37))) 2.1583427957408092263593030738788 38))) 6.3154120484072829854947248906933 39))) 3.1704559323261083625529774566443 40))) 5.8666189340177759592735616018578 41))) 1.1539097067310188125289471205896 42))) 6.4973159993583495866318524023333 43))) 2.0107939444743920679611387898079 44))) 92.644538090077731563507603032398 45))) 1.5514986862597982088801514015294 46))) 1.8132409467407566040304245314636 47))) 1.2296478725127180423650761132995 48))) 4.354492767811813177152563505038 49))) 2.8209320211882636616609813228906 50))) 1.21812765757698569150349009692 51))) 4.5844713646505890790782709179143 52))) 1.7109478076788652411227806185597 53))) 1.4065730130947945554442173469925 54))) 2.4595828247135648906265336814837 55))) 2.1758863609040443314429418578343 56))) 5.6854891695982891723066415781112 57))) 1.4588122531330738276365477663438 58))) 2.1795407449808455106267313513363 59))) 5.5697663508452414541270533175533 60))) 1.7551054015676990370397834525909 61))) 1.3243184301474565965543281323395 62))) 3.0833893699637541340260888081143 63))) 11.991936147672756256297986350554 64))) 1.0081294066620748265867079846381 65))) 123.01020745649045328147095449501 66))) 97.967598582004154377626904541468 67))) 1.0334864256712051559367436133124 68))) 29.862846808995085347371877455577 69))) 1.1589542773701048220312197387701 70))) 6.2911172731239384093636709959355 71))) 3.4350417935326921807618971873766 72))) 2.2986297290649910429645572793229 73))) 3.3486284273538256668528458594063 74))) 2.8683834178131788559015206372194 75))) 1.1515650569632787500390873367452 76))) 6.5978268344680558421016436283612 77))) 1.672725181180259979293684573795 78))) 1.4864911080711354309165526675787 79))) 2.0555360281195079086115992970123 80))) 18.006329113924050632911392405063 81))) 158 note: this must be calculated consecutively on a scientific cpu calculator with no break, as a break will cause the infinitude of the decimals to stop and round off to the 32nd numerical position. For example if you start at step 79 with just the published number, you'll get 157.99999999999999999999999998151, the only way to get 158 is to start from the beginning and do the subtraction to reciprocal calculations without breaking.

This is pretty cool... but 3D printing will make this MUCH easier

Cool guy! I read his book back in the early 90s: "The Cuckoo's Egg". Also saw a talk he did on it.

Feel like I'm the only one here that finds this guy extreamly annoying... ._.

what is the purpose of such a contraption?

actually it has one side, not no sides...

no sides and no edges...but, one surface?

spiky hair guy is obnoxious 

Where can I buy one of those Klein Steins?

Doesn't the Klein bottle that he starts talking about at 11:00 technically have both an inside and an outside? I'm confused about how it is a Klein bottle and not some sort of mobius tube.

Should be called a Klein Noodle not a Klein Noddle :P

So what would the 4th dimension do? if it could cross the interception without moving over an edge?. how?.

Wouldn't it be better if the Klein Stein's handle went the other way (i.e. the bottom end of the handle to the inside and the top end to the space between inside and the outside)? I'm quite certain that much less air would be stuck in between the walls...

Is it's possible to fill a Klein Bottle?

But how did he get all those bottles down in there in the first place?

I'm not understanding why these bottles are "so amazing" :/