Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:optical_illusion
|
| gptkbp:actualForm |
concentric circles
|
| gptkbp:alsoKnownAs |
false spiral
|
| gptkbp:category |
gptkb:art
psychology visual perception |
| gptkbp:createsIllusionOf |
gptkb:galaxy
|
| gptkbp:discoveredBy |
gptkb:James_Fraser
|
| gptkbp:discoveredIn |
1908
|
| gptkbp:illusionType |
geometric illusion
|
| gptkbp:uses |
contrasting colors
overlapping arcs |
| gptkbp:bfsParent |
gptkb:James_L._Fraser
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Fraser spiral
|