Have black holes been turning up the volume on the cosmic radio background?
http://www.sciencedaily.com/releases/2010/04/100414124200.htm
Have black holes been turning up the volume on the cosmic radio background? "April 14"
http://www.physorg.com/news190476830.html
Do Black Holes Turn Up The Volume On The Cosmic Radio Background? - Space News - redOrbit
http://www.redorbit.com/news/space/1849831/do_black_holes_turn_up_the_volume_on_the_cosmic/index.html
