Microwave hearing: evidence for thermoacoustic auditory stimulation by pulsed microwaves.

Science (New York, N.Y.) · 1974 · Unclear · Insufficient evidence

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UnclearInsufficient evidencePaper 6145

Pulsed microwave energy can thermally generate acoustic transients in water. The measured peak pressure levels within the audible frequency band were reported as adequate to explain clicks heard by people exposed to microwave radiation.

Study snapshot

PublicationScience (New York, N.Y.) · 1974
Study typeother
Reported directionUnclear
Evidence ratingInsufficient

Abstract

Acoustic transients can be thermally generated in water by pulsed microwave energy. The peak pressure level of these transients, measured within the audible frequency band as a function of the microwave pulse parameters, is adequate to explain the "clicks" heard by people exposed to microwave radiation.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typeother
Effect directionunclear
PopulationNot supplied
Sample sizeNot supplied
Exposuremicrowave
Evidence strengthInsufficientConfidence: 62% · Peer reviewed: yes

Main findings

Pulsed microwave energy can thermally generate acoustic transients in water. The measured peak pressure levels within the audible frequency band were reported as adequate to explain clicks heard by people exposed to microwave radiation.

Outcomes measured

  • microwave hearing (auditory clicks)
  • thermoacoustic acoustic transients/pressure within audible band

Limitations

  • No population/sample size described in the abstract.
  • Exposure frequency, intensity (e.g., SAR), and duration are not specified in the abstract.
  • Study design and experimental details are not provided in the abstract.
View raw extracted JSON
{
  "study_type": "other",
  "exposure": {
    "band": "microwave",
    "source": null,
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "microwave hearing (auditory clicks)",
    "thermoacoustic acoustic transients/pressure within audible band"
  ],
  "main_findings": "Pulsed microwave energy can thermally generate acoustic transients in water. The measured peak pressure levels within the audible frequency band were reported as adequate to explain clicks heard by people exposed to microwave radiation.",
  "effect_direction": "unclear",
  "limitations": [
    "No population/sample size described in the abstract.",
    "Exposure frequency, intensity (e.g., SAR), and duration are not specified in the abstract.",
    "Study design and experimental details are not provided in the abstract."
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.62,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "microwave hearing",
    "thermoacoustic",
    "pulsed microwaves",
    "auditory clicks",
    "acoustic transients",
    "pressure level",
    "water"
  ],
  "suggested_hubs": []
}
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AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1126/science.185.4147.256
PubMed: 4833827

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