DIDO research reactor
E667161
The DIDO research reactor was a high-flux materials testing and research reactor in the UK, used primarily for nuclear materials irradiation and scientific experiments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DIDO research reactor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7433149 — 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: DIDO research reactor Context triple: [Atomic Energy Research Establishment Harwell, hasReactor, DIDO research reactor]
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A.
GLEEP research reactor
The GLEEP research reactor was the United Kingdom’s first nuclear reactor, a low-power graphite-moderated facility used primarily for research and materials testing at Harwell.
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B.
TRIGA research reactor
The TRIGA research reactor is a small, inherently safe nuclear reactor design widely used in universities and research institutions for education, training, and scientific experiments.
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C.
BEPO research reactor
The BEPO research reactor was one of the United Kingdom’s early experimental nuclear reactors, used at Harwell for materials testing, reactor physics research, and the development of nuclear technology.
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D.
HANARO research reactor
The HANARO research reactor is a multi-purpose nuclear research facility in South Korea used for neutron science, materials testing, radioisotope production, and various nuclear technology applications.
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E.
Brookhaven Graphite Research Reactor
The Brookhaven Graphite Research Reactor was one of the earliest large research reactors in the United States, used primarily for neutron physics experiments and materials research at Brookhaven National Laboratory.
- 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: DIDO research reactor Target entity description: The DIDO research reactor was a high-flux materials testing and research reactor in the UK, used primarily for nuclear materials irradiation and scientific experiments.
-
A.
GLEEP research reactor
The GLEEP research reactor was the United Kingdom’s first nuclear reactor, a low-power graphite-moderated facility used primarily for research and materials testing at Harwell.
-
B.
TRIGA research reactor
The TRIGA research reactor is a small, inherently safe nuclear reactor design widely used in universities and research institutions for education, training, and scientific experiments.
-
C.
BEPO research reactor
The BEPO research reactor was one of the United Kingdom’s early experimental nuclear reactors, used at Harwell for materials testing, reactor physics research, and the development of nuclear technology.
-
D.
HANARO research reactor
The HANARO research reactor is a multi-purpose nuclear research facility in South Korea used for neutron science, materials testing, radioisotope production, and various nuclear technology applications.
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E.
Brookhaven Graphite Research Reactor
The Brookhaven Graphite Research Reactor was one of the earliest large research reactors in the United States, used primarily for neutron physics experiments and materials research at Brookhaven National Laboratory.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
materials testing reactor
ⓘ
research reactor ⓘ |
| commissioned | 1956 ⓘ |
| coolant | heavy water ⓘ |
| country | United Kingdom ⓘ |
| designedFor |
materials irradiation for reactor development
ⓘ
neutron beam research ⓘ |
| firstCriticality | 1956 ⓘ |
| fuelType | enriched uranium ⓘ |
| hasFacilityType | high-intensity neutron source ⓘ |
| legacy |
contributed to development of UK power reactor technology
ⓘ
provided data on radiation effects in structural materials ⓘ supported fundamental neutron physics research ⓘ |
| location | Harwell, Oxfordshire, United Kingdom NERFINISHED ⓘ |
| moderator | heavy water ⓘ |
| namedAfter | Dido (figure from classical mythology) NERFINISHED ⓘ |
| neutronFlux | high-flux ⓘ |
| operator | United Kingdom Atomic Energy Authority NERFINISHED ⓘ |
| partOf | UK civil nuclear research programme NERFINISHED ⓘ |
| powerOutput | ~26 MW thermal ⓘ |
| primaryUse |
materials testing
ⓘ
nuclear materials irradiation ⓘ scientific experiments ⓘ |
| reactorType | tank-type research reactor ⓘ |
| regulatoryBody | UK nuclear safety authorities ⓘ |
| safetyFeatures | multiple shutdown systems ⓘ |
| shutDown | 1990 ⓘ |
| site | Atomic Energy Research Establishment Harwell NERFINISHED ⓘ |
| status |
decommissioned
ⓘ
permanently shut down ⓘ |
| successor | ISIS neutron and muon source (for neutron scattering role) NERFINISHED ⓘ |
| usedBy |
UK universities and research institutions
ⓘ
international research collaborations ⓘ |
| usedFor |
isotope production
ⓘ
neutron scattering experiments ⓘ radiation damage studies in materials ⓘ reactor fuel and component testing ⓘ |
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: DIDO research reactor Description of subject: The DIDO research reactor was a high-flux materials testing and research reactor in the UK, used primarily for nuclear materials irradiation and scientific experiments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.