Map: The countries believed to have tested hydrogen bombs

If North Korea really has tested a hydrogen bomb — a claim that experts dispute — it would become just one of a small number of nations to have successfully tested the powerful nuclear weapon. And, perhaps more importantly, it would be the only nation known to have tested the weapon in almost 20 years. The […]











Source: http://feeds.washingtonpost.com/c/34656/f/636535/s/4caf1d55/sc/7/l/0L0Swashingtonpost0N0Cblogs0Cworldviews0Cwp0C20A160C0A10C0A60Cmap0Ethe0Ecountries0Ebelieved0Eto0Ehave0Etested0Ehydrogen0Ebombs0C/story01.htm