A thermonuclear weapon, fusion weapon or hydrogen bomb (H-bomb) is a second-generation nuclear weapon, utilizing nuclear fusion. The most destructive weapons ever created, their …

Dec 8, 2025 · Thermonuclear bomb, weapon whose explosive power results from an uncontrolled self-sustaining chain reaction in which isotopes of hydrogen combine under high temperatures …

Aug 17, 2023 · A hydrogen bomb , also known as a thermonuclear bomb or fusion bomb, is an explosive device that uses the energy released by the nuclear fusion of hydrogen to generate …

While the atomic bombs built during the Manhattan Project used the principle of nuclear fission, the thermonuclear, or hydrogen, bomb was based upon nuclear fusion. While fission is most …

Analysis of the radioactive fallout from this bomb revealed it to be a fission-fusion-fission weapon, a "hydrogen bomb" with an outer sheath of natural uranium to increase the yield.

Nov 13, 2009 · The United States detonates the world’s first thermonuclear weapon, the hydrogen bomb, on Eniwetok atoll in the Pacific. The test gave the United States a short-lived advantage …

The MK-17 was the first operational USAF thermonuclear "H-Bomb" (The "H" refers to the hydrogen which was fused under intense heat conditions to produce unprecedented energy …