Even in H-bombs
, the primary explosion needed to generate the energy that helps kick-start the fusion process is caused by a fission reaction, which later causes a secondary explosion, which is triggered by the fusion of the hydrogen isotopes.
* How would you answer the question posed by the article's title: Does North Korea Have the H-Bomb
? Use evidence from the text to support your response.
It said: "The (country's) access to H-bomb
of justice, standing against the US, the chieftain of aggression...
His work on H-bomb
explosions also led him to an interest in astrophysics and supernova events, on which he was to spend the bulk of his later scientific career.
As previously reported, John said witnessing the H-Bomb
going off was "the most terrifying thing I ever saw in my life."
If 2005 Yu55 was to hit the Earth it would unleash a 4,000-megaton blast, which would greatly exceed the yield of the most powerful H-bomb
The questionnaire was distributed to 2,400 hibakushas across Japan via the Japan Confederation of A- and H-Bomb
Sufferers Organization and other bodies in June to July, and 1,006 responded.
He asked me about aircraft that could carry a big bomb, like the H-bomb
, which was much bigger than any other bomb we had.
Stanley Craig (inset) is among Forces veterans seeking compensation after being exposed to H-bomb
tests at sites such as Christmas Island (main)
At a ceremony organized by the Japan Confederation of A- and H-Bomb
Sufferers Organizations in Hiroshima, Hatoyama said Japan should lead the world in efforts to abolish nuclear arms, particularly at the coming U.N.
THE funeral has taken place of a Nuneaton-born pilot who took part in the H-bomb
tests more than 50 years ago.
He continues with developments after the war through to the present: development of the H-bomb
by the US, Soviet efforts to make first an A-bomb and then their own H-bomb
, and the work in every other nuclear power (including one that developed a bomb and then abandoned it, South Africa).
According to The Guardian, other shortlisted titles included Sarah Hall for The Carhullan Army, Matthew de Albuitia for The Red Men, Stephen Baxter with The H-Bomb
Girl, Stephen Hall for The Raw Shark Texts, and Ken MacLeod with The Execution Channel.
1956 America dropped the first H-bomb
from a plane, on Bikini Atoll in the South Pacific
Oppenheimer remained more cautious, and Teller soon became convinced that Los Alamos, whose director, Norris Bradbury, was an Oppenheimer ally, was insufficiently dedicated to the H-bomb