6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
Shield Your Body
Whole Body / GeneralPart of the Glaser Archive

Les effets biologiques des ondes radar

Bioeffects Seen

H. BOITEAU · 1960

Share:

This 1960 study established early evidence that radar waves cause biological effects through tissue heating mechanisms.

Plain English Summary

Summary written for general audiences

This 1960 French study by H. Boiteau examined the biological effects of radar waves on animal subjects, focusing on tissue heating and thermal damage from electromagnetic exposure. The research investigated how different radar frequencies affect living tissue, particularly through hyperthermia (excessive heating). This early work helped establish our understanding of how high-powered electromagnetic fields can cause biological harm through thermal mechanisms.

Why This Matters

This 1960 research represents some of the earliest scientific investigation into radar's biological effects, conducted during the Cold War era when military radar systems were rapidly expanding. The focus on hyperthermia and tissue heating reflects what scientists understood at the time - that high-powered electromagnetic fields could cook tissue like a microwave oven. What makes this historically significant is that it preceded our modern understanding of non-thermal EMF effects by decades.

The reality is that today's radar exposures from air traffic control, weather stations, and military installations still pose similar thermal risks to those studied in 1960. While civilian radar operates at lower power levels than military systems, airport workers and people living near radar installations can still experience measurable EMF exposure. This early French research laid important groundwork for occupational safety standards that protect radar technicians and military personnel from the most obvious thermal damage.

Figures from the Original Paper

Diagrams extracted from the original research document.

chartPage 2 - AI-described figure: Figure 1 displays temperature measurements at various points in a beaf's eye exposed to different frequencies.
p. 2 of the original PDF
chartPage 3 - AI-described figure: Figure 2 illustrates temperature variations in a rabbit's brain during irradiation of the head or abdomen with 2500 mc waves, showing rapid temperature rise.
p. 3 of the original PDF
graphPage 5 - AI-described figure: Figure 4 illustrates the minimum energy density required to induce crystalline opacity in rabbits exposed to radar waves.
p. 5 of the original PDF

Exposure Details

Power Density
100 mW/cm²
Exposure Duration
de quelques minutes à quatre heures et demie

Exposure Context

This study used 100 mW/cm² for radio frequency:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 100 mW/cm²Extreme Concern - 1,000 µW/m²FCC Limit - 10M µW/m²Effects observed in the Extreme Concern range (Building Biology)This level is 100 times the FCC limit
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.5 GHz à 10 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.5 GHz à 10 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

Étudier les effets biologiques des ondes radar sur les animaux et le personnel exposé aux émetteurs radar.

Recherches expérimentales sur des animaux (lapins, rats, hamsters, singes) exposés à des ondes de ha...

Les ondes radar peuvent provoquer des lésions tissulaires graves, notamment des opacités oculaires (...

Les recherches expérimentales montrent que les ondes radar possèdent des effets biologiques indiscutables, principalement liés à l'hyperthermie. Pour l'homme, les effets observés sont généralement discrets, mais des densités d'énergie de l'ordre de 0,01 W/cm² sont considérées comme sûres pour une exposition prolongée. Les effets biologiques observés chez les animaux ne correspondent pas nécessairement aux effets observés chez l'homme en conditions réelles d'exposition.

Cite This Study
H. BOITEAU (1960). Les effets biologiques des ondes radar.
Show BibTeX
@article{les_effets_biologiques_des_ondes_radar_g5817,
  author = {H. BOITEAU},
  title = {Les effets biologiques des ondes radar},
  year = {1960},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

The research focused on hyperthermia and tissue heating effects from radar wave exposure in animals. Scientists documented how electromagnetic energy from radar systems could raise tissue temperature and cause thermal damage, similar to microwave cooking effects.
Military and civilian radar systems were rapidly expanding during the Cold War, creating new occupational exposures. This French research helped establish early safety understanding for radar technicians and personnel working near high-powered electromagnetic transmission systems.
While this early research focused only on thermal heating effects, it established foundational knowledge about electromagnetic field interactions with living tissue. Modern research has since discovered non-thermal biological effects at much lower exposure levels.
The specific animal subjects aren't detailed in available records, but 1960s radar biological research typically used laboratory animals like rats and rabbits to study tissue heating and thermal damage from electromagnetic wave exposure.
Yes, high-powered radar systems near airports and military installations can still cause thermal heating effects similar to those studied in 1960. Workers and nearby residents may experience measurable EMF exposure requiring safety precautions.