Necker cube
E1102264
UNEXPLORED
The Necker cube is a classic optical illusion consisting of a simple line drawing of a cube that can be perceived in two different three-dimensional orientations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Necker cube canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14506407 — 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: Necker cube Context triple: [Penrose triangle, isRelatedTo, Necker cube]
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A.
Penrose triangle
The Penrose triangle is an impossible optical illusion figure that appears to be a solid three-dimensional triangle but cannot exist in Euclidean space.
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B.
Penrose stairs
The Penrose stairs is an impossible object and optical illusion depicting a staircase that appears to ascend or descend forever in a loop, defying the rules of Euclidean geometry.
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C.
Dalí Triangle
The Dalí Triangle is a cultural and tourist route in Catalonia, Spain, that links three key sites closely associated with the life and work of surrealist artist Salvador Dalí.
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D.
Ehrenstein
Ehrenstein is a locality or district that forms part of the municipality of Blaustein in the state of Baden-Württemberg, Germany.
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E.
Penrose
Penrose is a neighborhood in Southwest Philadelphia known for its residential character and proximity to major city thoroughfares and the airport.
- 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: Necker cube Target entity description: The Necker cube is a classic optical illusion consisting of a simple line drawing of a cube that can be perceived in two different three-dimensional orientations.
-
A.
Penrose triangle
The Penrose triangle is an impossible optical illusion figure that appears to be a solid three-dimensional triangle but cannot exist in Euclidean space.
-
B.
Penrose stairs
The Penrose stairs is an impossible object and optical illusion depicting a staircase that appears to ascend or descend forever in a loop, defying the rules of Euclidean geometry.
-
C.
Dalí Triangle
The Dalí Triangle is a cultural and tourist route in Catalonia, Spain, that links three key sites closely associated with the life and work of surrealist artist Salvador Dalí.
-
D.
Ehrenstein
Ehrenstein is a locality or district that forms part of the municipality of Blaustein in the state of Baden-Württemberg, Germany.
-
E.
Penrose
Penrose is the middle name of Guy Gibson, the famed Royal Air Force Wing Commander who led the World War II Dambusters raid.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.