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when toggle format what by license comment
Jun 29, 2017 at 19:20 history edited duzzy CC BY-SA 3.0
added 17 characters in body
Sep 10, 2016 at 12:56 comment added LocalFluff Why does the curve in that graph have a daily rhythm? Or rather, why isn't it much lower at night? Does the magnetic field bombard us all around?
Aug 7, 2013 at 14:53 comment added Hash @TidalWave the answer is very useful thanks..
Aug 7, 2013 at 14:51 vote accept Hash
Aug 7, 2013 at 14:38 history answered TildalWave CC BY-SA 3.0