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PHYSIOLOGICAL DAMAGE DUE TO MICROWAVES

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W. W. Salisbury, John W. Clark, H. M. Hines · 1948

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Scientists documented microwave radiation's ability to cause physiological damage in animals as early as 1948, three decades before cell phones existed.

Plain English Summary

Summary written for general audiences

This 1948 technical report by W.W. Salisbury examined physiological damage caused by microwave radiation exposure in animals. The research represents one of the earliest systematic investigations into the biological effects of microwave energy, conducted during the post-World War II period when radar technology raised initial safety concerns. This foundational work helped establish the scientific understanding that microwave radiation can cause measurable biological harm.

Why This Matters

This 1948 report stands as a remarkable piece of scientific history - one of the first formal investigations into microwave biological effects, published just three years after World War II ended and radar technology emerged from military secrecy. The timing is significant: while the telecommunications industry today often portrays EMF health concerns as recent paranoia, scientists were already documenting physiological damage from microwave radiation over 75 years ago.

What makes this particularly relevant today is the frequency range. The microwaves that concerned researchers in 1948 operate in the same spectrum as your WiFi router, cell phone, and microwave oven. The difference is exposure duration and proximity. Where 1940s researchers studied acute effects from high-power sources, we now live with chronic, low-level microwave exposure that surrounds us 24/7. The early recognition of microwave bioeffects should inform our approach to today's ubiquitous wireless technologies.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
W. W. Salisbury, John W. Clark, H. M. Hines (1948). PHYSIOLOGICAL DAMAGE DUE TO MICROWAVES.
Show BibTeX
@article{physiological_damage_due_to_microwaves_g6905,
  author = {W. W. Salisbury and John W. Clark and H. M. Hines},
  title = {PHYSIOLOGICAL DAMAGE DUE TO MICROWAVES},
  year = {1948},
  
  
}

Quick Questions About This Study

While the specific animal species aren't detailed in available records, this 1948 technical report investigated physiological damage from microwave exposure in laboratory animals, representing some of the earliest formal research into microwave bioeffects.
The 1948 research emerged from post-World War II concerns about radar technology safety. Military and industrial use of microwave radiation during the war raised questions about potential health effects, prompting systematic biological studies.
The microwaves studied in 1948 operate in similar frequency ranges as today's WiFi, cell phones, and Bluetooth devices. However, modern exposure involves lower power levels but much longer duration and closer proximity to the body.
While specific findings aren't detailed in available records, the research documented measurable physiological damage from microwave exposure, establishing early scientific evidence that microwave radiation can cause biological harm in living organisms.
This appears to be independent technical research conducted in 1948, likely related to post-war scientific investigation of radar technology effects. It predates major telecommunications industry influence on microwave safety research by several decades.