Space Weather Warning
SallyMac writes "The National Oceanic and Atmospheric Administration has issued a Space Weather Warning. On Friday, May 13th, NOAA detected a 'geomagnetic storm of extreme proportions'. From the article: 'This event registered a 9 on the K-Index, which measures the maximum deviation of the Earth's magnetic field in a given three-hour period...The scale ranges from 0 to 9, with 9 being the highest. This was a significant event.' See the article on the NOAA site for more information." Spaceweather.com has details on the resulting auroras.
Friday the 13th?
Of all the Universal Constants, here's one I know: Nice guys finish last