At noon local time, September 3, North Korea conducted its sixth nuclear test, an estimated 100-120 kiloton detonation – seven or eight times more powerful than the bomb dropped on Hiroshima – of what it claimed was a two-stage (fission-fusion) thermonuclear hydrogen warhead small enough to fit in the coneRead More

Editor’s Note: In light of fast-moving developments, notably North Korea’s apparent hydrogen-bomb test on September 3, an update to this analysis will be provided shortly.   On Nagasaki Day 2017, hours after the city’s mayor, Tomihasa Taue, stated that “a strong sense of anxiety is spreading across the globe thatRead More