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Phi phenomenon

optical illusion of perceiving continuous motion between separate objects viewed rapidly in succession
Event optical_illusion Q785272
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Phi phenomenon

Summary

Phi phenomenon is an optical illusion[1]. It draws 104 Wikipedia views per month (optical_illusion category, ranking #18 of 37).[2]

Key Facts

  • Phi phenomenon's image is recorded as SigmanRock98ms.gif[3].
  • Phi phenomenon's instance of is recorded as optical illusion[4].
  • Phi phenomenon's Commons category is recorded as Phi phenomenon[5].
  • Phi phenomenon's Freebase ID is recorded as /m/01k10s[6].
  • Phi phenomenon's Encyclopædia Britannica Online ID is recorded as topic/phi-phenomenon[7].
  • Phi phenomenon's Great Norwegian Encyclopedia ID is recorded as phi-fenomenet[8].
  • Phi phenomenon's Microsoft Academic ID is recorded as 154742221[9].

Why It Matters

Phi phenomenon draws 104 Wikipedia views per month (optical_illusion category, ranking #18 of 37).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[10]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . Freebase Data Dumps. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [10] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Phi phenomenon. Retrieved May 3, 2026, from https://4ort.xyz/entity/phi-phenomenon
MLA “Phi phenomenon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/phi-phenomenon.
BibTeX @misc{4ortxyz_phi-phenomenon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Phi phenomenon}}, year = {2026}, url = {https://4ort.xyz/entity/phi-phenomenon}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Phi phenomenon — https://4ort.xyz/entity/phi-phenomenon (retrieved 2026-05-03)

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