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 ...

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 ...