Truman ordered the Atomic Energy Commission to work on all forms of nuclear weapons. That included hydrogen bombs. And a man ...

Also called a fusion bomb, hydrogen bomb or H-bomb, a thermonuclear weapon is a second-generation nuclear weapon design that is vastly superior to the first-generation atomic bombs. In fact ...

The world’s largest atomic bomb was exploded by the Russians north of the Arctic Circle in 1961. It was equivalent to 2,500 Hiroshima A-bombs. The fireball was 5 miles in diameter and could ...