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Petkau effect

an early counterexample to linear-effect assumptions about radiation exposure
Thing physical_phenomenon Q1981183
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Petkau effect

Summary

Petkau effect is a physical phenomenon[1]. It draws 8 Wikipedia views per month (physical_phenomenon category, ranking #105 of 138).[2]

Key Facts

  • Petkau effect's instance of is recorded as physical phenomenon[3].
  • Abram Petkau is named after Petkau effect[4].
  • Petkau effect's Freebase ID is recorded as /m/0242mw[5].
  • Petkau effect's Wolfram Language entity code is recorded as Entity["PhysicalEffect", "PetkauEffect"][6].
  • Petkau effect's Microsoft Academic ID is recorded as 2775898011[7].

Why It Matters

Petkau effect draws 8 Wikipedia views per month (physical_phenomenon category, ranking #105 of 138).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[8]

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] ↑ . Freebase Data Dumps. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [8] ↑ . 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). Petkau effect. Retrieved May 3, 2026, from https://4ort.xyz/entity/petkau-effect
MLA “Petkau effect.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/petkau-effect.
BibTeX @misc{4ortxyz_petkau-effect_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Petkau effect}}, year = {2026}, url = {https://4ort.xyz/entity/petkau-effect}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Petkau effect — https://4ort.xyz/entity/petkau-effect (retrieved 2026-05-03)

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