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Second sound

quantum mechanical phenomenon in which heat transfer occurs by wave-like motion
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Second sound

Summary

Second sound ranks in the top 2% of general entities by monthly Wikipedia readership (26 views/month).[1]

Key Facts

  • Second sound's subclass of is recorded as phenomenon[2].
  • Second sound's Freebase ID is recorded as /m/02qm757[3].
  • Second sound's described at URL is recorded as https://www.popularmechanics.com/science/a69829914/second-wave-superfluid-existence-sound-discovered[4].
  • Second sound's studied by is recorded as thermodynamics[5].
  • Second sound's Microsoft Academic ID is recorded as 31686786[6].
  • Second sound's OpenAlex ID is recorded as C31686786[7].

Why It Matters

Second sound ranks in the top 2% of general entities by monthly Wikipedia readership (26 views/month).[1] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[8]

Related Entities

thermodynamics

References

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

Direct Wikidata claims

  1. [2] ↑ . news.mit.edu. news.mit.edu. Provenance: wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . 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). Second sound. Retrieved April 10, 2026, from https://4ort.xyz/entity/second-sound
MLA “Second sound.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/second-sound.
BibTeX @misc{4ortxyz_second-sound_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Second sound}}, year = {2026}, url = {https://4ort.xyz/entity/second-sound}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Second sound — https://4ort.xyz/entity/second-sound (retrieved 2026-04-10)

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