// Bad Behavior Start $txt['permissionname_badbehavior_goodgroup'] = 'Bad Behavior Whitelist Group'; $txt['permissionhelp_badbehavior_goodgroup'] = 'This option will make a member group exempt from all Bad Behavior tests.'; // Bad Behavior End // Begin Auto Embed Media Pro Text Strings $txt['mediapro_admin'] = 'Simple Audio Video Embedder'; $txt['mediapro_settings'] = 'Settings'; $txt['mediapro_save_settings'] = 'Save Settings'; $txt['mediapro_err_cache'] = 'Cache folder not writable must fix for performance!'; // END Auto Embed Media Pro Text Strings $txt['botscout_mail_subject'] = 'Bot Attempt Stopped'; $txt['botscout_mail_body'] = 'A bot tried to register, but was stopped from doing so.' . "\n\n" . 'Bot Name: %s' . "\n" . 'Bot Email: %s' . "\n" . 'IP Address: %s'; Types of Klein Bottles

Author Topic: Types of Klein Bottles  (Read 586 times)

Unbeliever

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Types of Klein Bottles
« on: August 12, 2015, 03:02:52 PM »
I was reading a book about the best math writing of last year (2014), and came across an essay about the number of types of KIlein bottles, and was amazed at the variety of the things!

Here are some to look at:


https://www.google.com/search?q=klein+bottles&biw=1024&bih=631&source=lnms&tbm=isch&sa=X&ved=0CAgQ_AUoA2oVChMI3a6WocWkxwIVFjaICh03_AAo
"Some say God is living there [in space]. I was looking around very attentively, but I did not see anyone there. I did not detect either angels or gods....I don't believe in God. I believe in man - his strength, his possibilities, his reason."
Gherman Titov, Soviet cosmonaut, in The Seattle Daily Ti