But the strategy had to change after the development of the more
powerful hydrogen bomb, and with it the realization that having people living in the suburbs but working downtown was a problem.
The U.S. strikes that brought nuclear destruction of those two cities also thrust the world onto a new trajectory — one that led to the terrifying development of the far more
powerful hydrogen bomb and the ruinous arms races of the cold war it entailed.
North Korea says it conducted its sixth nuclear test with
a powerful hydrogen bomb — a stark move against President Donald Trump's warnings.
Not exact matches
Sept. 3, 2017: The rogue regime carries out its sixth and most
powerful nuclear test, saying it detonated an advanced
hydrogen bomb designed for a long - range missile.
A
hydrogen bomb is significantly more
powerful than an atomic
bomb (A-
bomb).
Pyongyang said it had tested a
hydrogen bomb — a device many times more
powerful than an atomic
bomb.
1953: After much debate, the United States decides to pursue the
hydrogen bomb, a weapon far more
powerful than any atomic
bomb.
This «quarksplosion» would be an even more
powerful subatomic analog of the individual nuclear fusion reactions that take place in the cores of
hydrogen bombs.
The impact that produced the crater was two million times more
powerful than the largest nuclear device ever tested, a 58 - megaton
hydrogen bomb known as Tsar Bomba, detonated by the Soviet Union in 1961.