EBR-I
E463643
EBR-I was the world’s first nuclear reactor to generate usable electricity, marking a major milestone in nuclear power development.
All labels observed (1)
| Label | Occurrences |
|---|---|
| EBR-I canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4707784 — 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: EBR-I Context triple: [Experimental Breeder Reactor I, alsoKnownAs, EBR-I]
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A.
EBBR
EBBR is the ICAO airport code for Brussels Airport, the main international airport serving Brussels, Belgium.
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B.
E.I.
"E.I." is a hit hip-hop single by American rapper Nelly from his debut album "Country Grammar."
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C.
ERIC-B
ERIC-B is a class of publicly traded shares of the Swedish telecommunications company Ericsson listed on the stock exchange.
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D.
IBX
IBX is the ICAO airline designator used to identify Ibex Airlines in international aviation operations.
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E.
IBE
IBE is the ICAO airline designator for Iberia, the flag carrier airline of Spain.
- 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: EBR-I Target entity description: EBR-I was the world’s first nuclear reactor to generate usable electricity, marking a major milestone in nuclear power development.
-
A.
EBBR
EBBR is the ICAO airport code for Brussels Airport, the main international airport serving Brussels, Belgium.
-
B.
E.I.
"E.I." is a hit hip-hop single by American rapper Nelly from his debut album "Country Grammar."
-
C.
ERIC-B
ERIC-B is a class of publicly traded shares of the Swedish telecommunications company Ericsson listed on the stock exchange.
-
D.
IBX
IBX is the ICAO airline designator used to identify Ibex Airlines in international aviation operations.
-
E.
IBE
IBE is the ICAO airline designator for Iberia, the flag carrier airline of Spain.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
experimental breeder reactor
ⓘ
nuclear reactor ⓘ research reactor ⓘ |
| category | nuclear power history ⓘ |
| constructionStart | 1949 ⓘ |
| controlMechanism | control rods ⓘ |
| coolant |
liquid metal
ⓘ
sodium-potassium alloy ⓘ |
| coolingSystem | liquid-metal cooled loop ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currentUse | museum ⓘ |
| decommissioning | 1964 ⓘ |
| designLead | Walter H. Zinn ⓘ |
| electricalOutput | about 0.2 megawatts ⓘ |
| electricityUse | powered four 200-watt light bulbs during first test ⓘ |
| firstCriticality | 1951-08-24 ⓘ |
| firstElectricityGeneration | 1951-12-20 ⓘ |
| fuelType |
enriched uranium
ⓘ
uranium ⓘ |
| gridConnection | experimental, limited ⓘ |
| heritageStatus | National Historic Landmark ⓘ |
| historicalSignificance | milestone in peaceful use of atomic energy ⓘ |
| inception | 1949 ⓘ |
| influenced | development of commercial nuclear power ⓘ |
| laterElectricityUse | provided electricity for the EBR-I building ⓘ |
| locatedInProtectedArea | EBR-I National Historic Landmark site ⓘ |
| location |
Idaho
ⓘ
United States ⓘ
linked to:
United States of America
|
| managedBy |
U.S. Atomic Energy Commission
ⓘ
linked to:
United States Atomic Energy Commission
|
| museumOperator | U.S. Department of Energy ⓘ |
| nationalHistoricLandmarkDesignation | 1965 ⓘ |
| near | Arco, Idaho ⓘ |
| notableAchievement |
first demonstration of a breeder reactor producing more fissile material than it consumed
ⓘ
first nuclear reactor to generate usable electricity ⓘ |
| openToPublic | true ⓘ |
| operator | Argonne National Laboratory ⓘ |
| ownedBy | United States government ⓘ |
| purpose |
demonstrate breeder reactor concept
ⓘ
research and development ⓘ |
| reactorGeneration | Generation I nuclear reactor ⓘ |
| reactorType | fast breeder reactor ⓘ |
| researchFocus | breeding plutonium-239 from uranium-238 ⓘ |
| safetyIncident | partial core meltdown in 1955 ⓘ |
| safetyIncidentType | power excursion accident ⓘ |
| shutdown | 1964 ⓘ |
| site |
National Reactor Testing Station
ⓘ
linked to:
Idaho National Engineering Laboratory
|
| successor | EBR-II ⓘ |
| thermalPower | 1.4 megawatts ⓘ |
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: EBR-I Description of subject: EBR-I was the world’s first nuclear reactor to generate usable electricity, marking a major milestone in nuclear power development.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.