Half a croissant, on a plate, with a sign in front of it saying '50c'
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Ship in (and out of) a Klein Bottle

2D gift for the gifted
  (+4)
(+4)
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against]

A model super tanker intricately assembled half in and half out of a Klein bottle intriguingly illustrates the one-sided container’s properties.
FarmerJohn, Sep 19 2003

(?) sketch http://www.geocitie...nnie/kleinship.html
[FarmerJohn, Oct 04 2004, last modified Oct 21 2004]

I like these.. http://www.kleinbot...ein_bottle_hats.htm
[po, Oct 04 2004, last modified Oct 21 2004]

Klein Croissant. http://www.meru.org/Advisors/klein.html
[egbert, Oct 04 2004, last modified Oct 21 2004]

[link]






       So, you mean the tanker is single sided too and the oil runs out, no matter where I put it? I wouldn't put that on my desk, no matter how gifted I am.   

       But it is a nice sketch.
kbecker, Sep 19 2003
  

       [kbecker] No, the tanker is three dimensional on the two dimension glass ocean, and being a model, it needn’t be filled with oil. One could fill it with Cutty Sark scotch as a Klein hip flask.
FarmerJohn, Sep 20 2003
  

       Captain: What the hell is that thing up ahead?   

       First Mate: I haven't got a clue.   

       Captain: It'd better not be that bloody Bermuda Triangle...we'll never get out.   

       Navigator: Worse, its a Bermuda Klein Bottle...we'll never get in.   

       First Mate: Red alert...all hands to Geometry stations...
Needa Moeba, Sep 20 2003
  

       Ow! I've just been looking at the Klein Botttle website. My head hurts!   

       Check out the page I've linked. Look at the diagrams of topological equivalents. Does "sausage" look vaguely familiar? (Stop sniggering at the back, there!)   

       I think the proposal to use the 2D "sausage" representation to mean 0/0 (or "indefinity") has a distinctly halfbakerish flavour.
egbert, Sep 20 2003
  

       I think the hb should adopt the keyring. thats so us!
po, Sep 20 2003
  

       Excellent. Very Escher.   

       But how do the deckhands know if they're coming or going?
Tiger Lily, Sep 21 2003
  

       FJ, anything with a Klein bottle gets my vote, especially this!
DesertFox, Jun 04 2004
  

       Oh, buddy, I want one. [+]
Letsbuildafort, Oct 10 2004
  

       can someone please tell me whats really so special about a klien bottle? The neck is bent into the bottle. wow.
Voice, Jul 13 2007
  

       The mathematical version is more complex than that, Voice. It exists only in 4D space, and has no intersection between the neck and body where the 3D approximation does.
RayfordSteele, Feb 10 2011
  
      
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