could this be what geo-magnetic reversal is?
Saturday, 7 April 2012 11:41 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
miriam_eA 15 second video -- it takes only a minute or so to download, even on a slow internet connection like mine.
http://www.youtube.com/watch?v=L2o9eBl_Gzw
http://www.youtube.com/watch?v=L2o9eBl_Gzw