The deadliest weapon of all time was the 25-megaton hydrogen bomb. Its lethality index score is an astonishing 210,000,000,000. Created in the manic arms race of the Cold War, the B-41 hydrogen ...

A hydrogen bomb can be far more powerful than the atomic bombs the U.S. dropped on Japan in World War II. The U.S. conducted the first successful tests of hydrogen bombs in the 1950s.

And the four H-bombs tumbled from the B-52. While one bomb splashed into the sea, the other three hit the ground. None exploded -- layers of safeguards made that virtually impossible ...

The First Hydrogen Bomb Sixty-five years ago, a test of a fearsome new weapon. Tony Reichhardt . November 2, 2017. Get our newsletter! Get our newsletter! The Ivy Mike test, November 1, 1952.

Richard Garwin drew up the plans for the hydrogen bomb and spent seven decades advising presidents on scientific matters . ... Instead, he took a job at IBM, where he stayed for 41 years, ...