<div><object width="425" height="350"><param name="movie" value="http://www.youtube.com/v/16cewjeqNdw&"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/16cewjeqNdw&" type="application/x-shockwave-flash" wmode="transparent" width="425" height="350" /></embed></object></div> Russia ftw!
Two interesting notes, 1. That one bomb had the equivalent power of all the explosives used in WW2 times 10. 2. That bomb was made and used 46 years ago.
I once heard that if two hydrogen bombs are dropped in sequence on the same location, one could knock the world off its axis (albeit ever so slightly). Is there any truth to this?