http://cdonner.com We know accurately only when we know little, with knowledge doubt increases. (Goethe) Tue, 20 Jul 2010 02:44:53 +0000 en hourly 1 http://wordpress.org/?v=3.0 http://cdonner.com/power-factor-and-compact-fluorescent-bulbs-cfl.htm http://cdonner.com/power-factor-and-compact-fluorescent-bulbs-cfl.htm#comments Thu, 22 Jan 2009 03:16:53 +0000 Christian Donner http://cdonner.com/?p=192 http://cdonner.com/power-factor-and-compact-fluorescent-bulbs-cfl.htm/feed 2