Home › Entities › general › electromagnetic radiation

electromagnetic radiation

form of energy emitted and absorbed by particles which are charged which shows wave-like behavior as it travels through space
Thing general Q12969754
Press Enter · cited answer in seconds

Summary

electromagnetic radiation ranks in the top 0.39% of general entities by monthly Wikipedia readership (11,656 views/month, #305 of 77,819).[1]

Key Facts

  • Discoverer or inventor: Heinrich Hertz[2]
  • Subclass of: radiation[3]
  • Part of: electromagnetic field[4], electromagnetism[5]
  • Commons category: Electromagnetic radiation[6]
  • Said to be the same as: electromagnetic wave[7]
  • Has part(s): electromagnetic wave[8], photon[9]
  • Time of discovery or invention: November 13, 1886[10]
  • Topic's main category: Category:Electromagnetic radiation[11]
  • Described by source: Encyclopædia Britannica 11th edition[12]
  • Topic has template: Q20696574[13]
  • Different from: mechanical wave[14]
  • Union of: list of values as qualifiers[15]
  • On focus list of Wikimedia project: Wikipedia:List of articles all languages should have[16], Wikipedia:Vital articles/Level/4[17]
  • P14541: 2QzH4c[18]

Why It Matters

electromagnetic radiation has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[19] It is known by 38 alternative names across languages and contexts.[20]

Related Entities

Heinrich Hertz

References

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

Direct Wikidata claims

  1. [2] ↑ . scihi.org. scihi.org. Provenance: wikidata.org.
  2. [3] ↑ . Environment Ontology. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . scihi.org. scihi.org. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [19] ↑ . Wikidata sitelinks. wikidata.org.
  3. [20] ↑ . 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). electromagnetic radiation. Retrieved October 16, 2026, from https://4ort.xyz/entity/electromagnetic-radiation
MLA “electromagnetic radiation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/electromagnetic-radiation.
BibTeX @misc{4ortxyz_electromagnetic-radiation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{electromagnetic radiation}}, year = {2026}, url = {https://4ort.xyz/entity/electromagnetic-radiation}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): electromagnetic radiation — https://4ort.xyz/entity/electromagnetic-radiation (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/electromagnetic-radiation · Last refreshed:

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. 14d ago · عُثمان · 2026-10-03 view diff on Wikidata ↗
    Sitelink count → 129
    Exact match → —
    Wikipedia languages → ['af', 'am', 'an', 'ar', 'arz', 'as', 'ast', 'az', 'azb', 'ba', 'ban', 'be', 'be
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ Exact match: http://purl.obolibrary.org/obo/ENVO_01001026"
  2. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 2QzH4c
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  3. 18w ago · Jindřich Rubeš · 2026-06-12 view diff on Wikidata ↗
    Svkkl authority id → 0317911-elektromagneticke-zareni
    "/* wbcreateclaim-create:1| */ Svkkl authority id: 0317911-elektromagneticke-zareni, [[:toollabs:quickstatements/#/batch/259492|batch #259492]]"
  4. 23w ago · TalgatSnow · 2026-05-04 view diff on Wikidata ↗
    Topic's main category → Category:Electromagnetic radiation
    Said to be the same as → electromagnetic wave
    Different from → mechanical wave
    Union of → list of values as qualifiers
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q25491502 */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.