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by andturn
Mon Nov 12, 2018 9:00 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1732: "Earth Temperature Timeline"
Replies: 540
Views: 125465

Re: 1732: "Earth Temperature Timeline"

Pretty steady 11-year cycle... In general, yes (well, it's actually a 22-year cycle to get back to its original polarity), but we have the historic example of the Maunder minimum which reminds us that solar weather is quite chaotic—a rubber band ball of magnetic fields bouncing off and crashing int...
by andturn
Sat Nov 10, 2018 11:51 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 1732: "Earth Temperature Timeline"
Replies: 540
Views: 125465

Re: 1732: "Earth Temperature Timeline"

I was surprised at the very conservative estimate of dog domestication, but you acknowledge that. Even though you don't explicitly say so, you give the impression that the bow and arrow was invented around 20K years ago, but the last thing I read was that there was pretty conclusive evidence which p...

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