An experimental explosion of a thermonuclear or hydrogen bomb is seen ― cousin ... to be a renewed debate over retiring the B83 megaton gravity bomb as Congress drafts the annual defense ...

In comparison, fallout created by a B61-13 explosion would extend into northern Massachusetts, ending just outside of Lowell. The radioactive fallout plume from a B83 nuclear bomb explosion in New ...

The bomb is called the B83. It is a hydrogen bomb that debuted in 1983 — a time when President Reagan was denouncing Russia as “an evil empire.” The government made 660 of the deadly weapons ...

On Nov. 1, 1952—63 years ago this week—the U.S. detonated the first hydrogen bomb, resulting in the first successful full-scale thermonuclear weapon explosion. Operation Ivy was conducted on ...

In theory, a hydrogen bomb could use more than two stages — the explosion from the secondary stage could be used to ignite fusion in larger amounts of fuel in each subsequent stage. In fact ...

Deep inside our Sun, nuclear fusion transform enormous quantities of hydrogen into helium ... or in the critical core region of an atomic bomb explosion. The hottest part of any explosion occurs ...