Easy to get lost in Klein bottles > On 12 Oct 2017, at 20:46, Jostein <p...@alunfoto.no> wrote: > > Not entirely sure what happened, but what seemed like shortly after watching > the video in the link, I found myself having spent more than an hour watching > videos about mathematical topology, and in particular about Klein bottles. > > Discombombulating... > > Jostein :-) > > Den 12.10.2017 11:06, skrev Bob W-PDML: >> https://m.youtube.com/watch?v=8lcUHQYhPTE >> On 12 Oct 2017, at 03:39, Daniel J. Matyola >> <danmaty...@gmail.com<mailto:danmaty...@gmail.com>> wrote: >> This critter landed on my shoulder Saturday, and then flew to the pavement. >> Interesting, but I have no idea what kind of insect it is. >> http://dan-matyola.squarespace.com/danmatyolas-pesos/2017/10/11/bug >> K-5 IIs, DA 18-135 zoom >> Comments are invited and appreciated. >> Dan Matyola >> http://www.pentaxphotogallery.com/danieljmatyola >> -- > > -- >
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