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    Thermonuclear weapon - Wikipedia

    A thermonuclear weapon, fusion weapon or hydrogen bomb (H bomb) is a second-generation nuclear weapon design. Its greater sophistication affords it vastly greater destructive power than first-generation nuclear bombs, a more compact size, a lower mass, or a combination of these benefits. Characteristics of … See more

    Detailed knowledge of fission and fusion weapons is classified to some degree in virtually every industrialized country. In the United States, such knowledge can by default be classified as " See more

    Compression of the secondary image

    How exactly the energy is "transported" from the primary to the secondary has been the subject of some disagreement in the open press but is thought to be transmitted through … See more

    Possible variations to the weapon design have been proposed:
    • Either the tamper or the casing have been proposed to be made of U (highly enriched uranium) in the final fission jacket. The far more expensive U is also fissionable with fast … See more

    The Teller–Ulam design was for many years considered one of the top nuclear secrets, and even today it is not discussed in any detail by official publications with origins "behind the … See more

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    Primary and secondary stages
    The basic principle of the Teller–Ulam configuration is the idea that different parts of a thermonuclear … See more

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    United States
    The idea of a thermonuclear fusion bomb ignited by a smaller fission bomb was first proposed by Enrico Fermi to his colleague Edward Teller when … See more

    On 5 February 1958, during a training mission flown by a B-47, a Mark 15 nuclear bomb, also known as the Tybee Bomb, was lost off the coast of Tybee Island near Savannah, Georgia. The US Air Force maintains that the bomb was unarmed and did not … See more

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  2. Ivy Mike - Wikipedia

  3. Thermonuclear bomb | History, Principle, Diagram, Yield,

    Sep 14, 2024 · Thermonuclear bomb, weapon whose explosive power results from an uncontrolled self-sustaining chain reaction in which isotopes of hydrogen combine under high temperatures to form helium in a process known as …

  4. United States tests first hydrogen bomb | November 1, …

    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 in the nuclear ...

  5. New Video Shows Largest Hydrogen Bomb Ever …

    Aug 25, 2020 · Last week, the Russian nuclear energy agency, Rosatom, released a 30-minute, formerly secret documentary video about the world’s largest hydrogen bomb detonation.

  6. Castle BRAVO at 70: The Worst Nuclear Test in U.S.

    Washington, D.C., February 29, 2024 - Seventy years ago, on 1 March 1954 (28 February in Washington), the U.S. government detonated a thermonuclear weapon, code-named “Shrimp,” on Bikini Atoll in the Marshall Islands in what …

  7. Tsar Bomba - Wikipedia

    The bomb was dropped by parachute from a Tu-95V aircraft, and detonated autonomously 4,000 metres (13,000 ft) above the cape Sukhoy Nos of Severny Island, Novaya Zemlya, 15 km (9.3 mi) from Mityushikha Bay, north of the …

  8. U.S. Tests | American Experience | Official Site | PBS

    On November 1, 1952 the United States detonated a hydrogen device in the Pacific that vaporized an entire island, leaving behind a crater more than a mile wide.

  9. Operation Mike and the First Thermonuclear Bomb Test

  10. hydrogen bomb summary | Britannica