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You are browsing the archive for 2011 May 18.

18 May 2011

City Lights and Economics

I posted an image a couple of weeks ago from the Air Force Defense Meteorological Satellites (DMSP) showing the lack of city lights over North Alabama after the massive tornado outbreak of April 27th. Many people are at least a little familiar with these images using a special sensor on the DMSP spacecraft and they are worth more than an illustration of why most humans today have no real concept …

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