Jellby wrote:
> Among other things, Daniel Hulme saw fit to write:
> 
> 
>>The bits of string tied round everything seem to be isotherms or
>>something similar. Have the flask things been heated and then inserted
>>into a bowl of water?
> 
> 
> Yes, but... a knot?
> 
A bit of an artistic licence ;)

Yet with some serious background. Most people use iso-thingies
because everybody else uses them. A knot surprises them enough
to start a discussion on the limitations of this representation.

This image is a (small) figure in a paper that is more or less
accepted for publication now, without the knot. Perhaps we try
to get it on the cover with.

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