H-Bomb
E1008897
The H-bomb, or hydrogen bomb, is a powerful thermonuclear weapon that uses fusion reactions to release vastly more energy than earlier atomic bombs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| H-Bomb canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12905431 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: H-Bomb Context triple: [We Didn't Start the Fire, mentions, H-Bomb]
-
A.
B57 nuclear bomb
The B57 nuclear bomb was a lightweight, variable-yield tactical nuclear weapon developed by the United States for use by naval aircraft during the Cold War.
-
B.
B53 nuclear bomb
The B53 nuclear bomb was a high-yield, Cold War–era U.S. thermonuclear gravity bomb designed for strategic deterrence and bunker-busting missions.
-
C.
B41 nuclear bomb
The B41 nuclear bomb was a high-yield, Cold War–era American thermonuclear gravity bomb and one of the most powerful nuclear weapons ever deployed by the United States.
-
D.
B43 nuclear bomb
The B43 nuclear bomb is a U.S. Cold War–era air-dropped thermonuclear weapon designed for use by tactical and strategic aircraft.
-
E.
B90 nuclear bomb
The B90 nuclear bomb was a planned but ultimately canceled U.S. Navy thermonuclear weapon design intended for use as a versatile air-dropped tactical and strategic bomb.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: H-Bomb Target entity description: The H-bomb, or hydrogen bomb, is a powerful thermonuclear weapon that uses fusion reactions to release vastly more energy than earlier atomic bombs.
-
A.
B57 nuclear bomb
The B57 nuclear bomb was a lightweight, variable-yield tactical nuclear weapon developed by the United States for use by naval aircraft during the Cold War.
-
B.
B53 nuclear bomb
The B53 nuclear bomb was a high-yield, Cold War–era U.S. thermonuclear gravity bomb designed for strategic deterrence and bunker-busting missions.
-
C.
B41 nuclear bomb
The B41 nuclear bomb was a high-yield, Cold War–era American thermonuclear gravity bomb and one of the most powerful nuclear weapons ever deployed by the United States.
-
D.
B43 nuclear bomb
The B43 nuclear bomb is a U.S. Cold War–era air-dropped thermonuclear weapon designed for use by tactical and strategic aircraft.
-
E.
B90 nuclear bomb
The B90 nuclear bomb was a planned but ultimately canceled U.S. Navy thermonuclear weapon design intended for use as a versatile air-dropped tactical and strategic bomb.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
hydrogen bomb
ⓘ
nuclear weapon ⓘ thermonuclear weapon ⓘ |
| developedDuring | Cold War ⓘ |
| hasAlternativeName |
H bomb
ⓘ
fusion bomb ⓘ hydrogen bomb ⓘ |
| hasCategory |
strategic weapon
ⓘ
weapon of mass destruction ⓘ |
| hasComponent |
fission primary
ⓘ
fusion secondary ⓘ radiation case ⓘ tamper ⓘ |
| hasDeliveryMethod |
ballistic missile
ⓘ
gravity bomb ⓘ intercontinental ballistic missile ⓘ submarine-launched ballistic missile ⓘ |
| hasDesignPrinciple | Teller–Ulam design ⓘ |
| hasDeveloper |
China
ⓘ
France ⓘ India ⓘ North Korea ⓘ Pakistan ⓘ Soviet Union ⓘ United Kingdom ⓘ United States ⓘ
linked to:
United States of America
|
| hasEffect |
blast
ⓘ
electromagnetic pulse ⓘ ionizing radiation ⓘ thermal radiation ⓘ |
| hasFirstTestCountry |
United States
ⓘ
linked to:
United States of America
|
| hasFirstTestDate | 1952-11-01 ⓘ |
| hasFirstTestName | Ivy Mike ⓘ |
| hasKeyScientist |
Edward Teller
ⓘ
Stanislaw Ulam ⓘ |
| hasMoralIssue |
civilian casualties
ⓘ
long-term environmental damage ⓘ |
| hasRisk | nuclear fallout ⓘ |
| hasTypicalYieldHigherThan | fission bomb ⓘ |
| hasYieldType | megaton-range yield ⓘ |
| isMorePowerfulThan | atomic bomb ⓘ |
| isSubjectOf |
nuclear arms race
ⓘ
nuclear disarmament debates ⓘ |
| regulatedBy |
Comprehensive Nuclear-Test-Ban Treaty
ⓘ
Treaty on the Non-Proliferation of Nuclear Weapons ⓘ
linked to:
Nuclear Non-Proliferation Treaty
|
| requiresTrigger | fission bomb ⓘ |
| usedInDoctrine | mutually assured destruction ⓘ |
| usesPhysicalProcess |
nuclear fusion
ⓘ
thermonuclear fusion ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: H-Bomb Description of subject: The H-bomb, or hydrogen bomb, is a powerful thermonuclear weapon that uses fusion reactions to release vastly more energy than earlier atomic bombs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.