Foucault pendulum

simple device conceived as an experiment to demonstrate the rotation of the Earth
Thing physical_phenomenon Q178841
Foucault pendulum
Arnaud 25 · Public Domain · Wikimedia
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Foucault pendulum

Summary

Foucault pendulum is a physical phenomenon[1]. It ranks in the top 4% of physical_phenomenon entities by monthly Wikipedia readership (3,346 views/month).[2]

Key Facts

  • Foucault pendulum is the creator of Léon Foucault[3].
  • Foucault pendulum's instance of is recorded as physical phenomenon[4].
  • Léon Foucault is named after Foucault pendulum[5].
  • Foucault pendulum is a type of pendulum[6].
  • Foucault pendulum is used for scientific demonstration[7].
  • Foucault pendulum's Commons category is recorded as Foucault pendulums[8].
  • February 1851 marks the founding of Foucault pendulum[9].
  • Foucault pendulum's has cause is recorded as Earth's rotation[10].
  • Foucault pendulum's topic's main category is recorded as Category:Foucault pendulums[11].
  • Foucault pendulum's Commons gallery is recorded as Foucault pendulum[12].
  • Foucault pendulum's location of creation is recorded as Paris[13].
  • Foucault pendulum's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[14].
  • Foucault pendulum's different from is recorded as Foucault's Pendulum[15].
  • Foucault pendulum's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4[16].

Body

Definition and Type

Foucault pendulum's instance of is recorded as physical phenomenon[4]. It is a type of pendulum[6].

Origins

Léon Foucault is named after Foucault pendulum[5]. February 1851 marks the founding of it[9].

Use and Application

Foucault pendulum is used for scientific demonstration[7].

Influence

Things named for Foucault pendulum include Foucault's Pendulum[17], a literary work[18], founded in 1988[19], written by Umberto Eco[20].

Why It Matters

Foucault pendulum ranks in the top 4% of physical_phenomenon entities by monthly Wikipedia readership (3,346 views/month).[2] It has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[21] It is known by 28 alternative names across languages and contexts.[22]

Entities named for it include Foucault's Pendulum[17], a literary work[18], founded in 1988[19], written by Umberto Eco[20].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [3] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [17] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site
  2. [19] . Wikidata. wikidata.org. → on this site
  3. [20] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] . Wikidata sitelinks. wikidata.org.
  3. [22] . Wikidata aliases. 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). Foucault pendulum. Retrieved May 3, 2026, from https://4ort.xyz/entity/foucault-pendulum
MLA “Foucault pendulum.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/foucault-pendulum.
BibTeX @misc{4ortxyz_foucault-pendulum_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Foucault pendulum}}, year = {2026}, url = {https://4ort.xyz/entity/foucault-pendulum}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Foucault pendulum — https://4ort.xyz/entity/foucault-pendulum (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Instance of physical phenomenon
    Named after Léon Foucault
    On focus list of wikimedia project Wikipedia:Vital articles/Level/4
    Named after
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007548099705171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.