Browse 8,655 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 1,361 studies from Glaser RF/Microwave Archive with extracted diagrams
Harry E. Stockman · 1969
This 1969 technical paper explored using radio frequency (RF) waves to create imaging systems that could see through rain, fog, and darkness in real-time. The research identified that while RF holography showed promise for penetrating visual obstacles, significant improvements were needed in detector technology and response times to make practical systems viable.
Eugene W. Plischke, Warren F. Wolff · 1969
This 1969 study by Plischke examined RF radiation exposure among construction workers near broadcast towers, focusing on electrical shocks, burns, and microwave hazards. The research documented occupational health risks from radio frequency radiation in high-exposure work environments. This represents early recognition that RF radiation posed real workplace safety concerns decades before widespread public awareness.
Solem DL, Remark DG, Moore RL, Crawford RE, Rechen HJL · 1969
This 1969 study tested microwave ovens from five manufacturers to measure radiation leakage when safety systems failed. Researchers found extremely high power densities of over 700 mW/cm² at 30 cm from open-door ovens, and discovered that most safety interlocks could be easily defeated. The findings revealed significant radiation exposure risks from malfunctioning microwave ovens.
Freeman W. Cope · 1969
This 1969 theoretical study proposed that waves of protein changes could move across cell membranes to transport sodium and potassium ions. The researcher suggested these 'chemiperistaltic waves' might explain how ions move through tissues like frog skin without requiring energy-intensive pumps.
Robert L. Bell et al. · 1969
This 1969 technical report examined the potential health hazards from microwave radiation exposure and methods for controlling these risks. The study represents early recognition by researchers that microwave technology, while beneficial, required serious safety considerations. This work helped establish the foundation for microwave radiation protection standards still used today.
Freeman W. Cope · 1969
Researchers used deuterium (heavy water) as a molecular probe to study water organization in rat muscle and brain tissue. They found that tissue water behaves dramatically differently from regular liquid water, with much faster relaxation times indicating highly structured, organized water arrangements. This suggests that biological water exists in organized states rather than random liquid form.
S. J. WEBB, A. D. BOOTH · 1969
This 1969 study by Webb investigated how microorganisms, including E. coli bacteria, absorb microwave radiation. The research examined the fundamental interactions between microwave energy and living cells at the microscopic level. This early work helped establish the scientific foundation for understanding how electromagnetic fields affect biological systems.
J. G. DAUBS, O.D. · 1969
This 1969 study examined potential eye hazards from airborne radar systems, focusing on microwave radiation exposure risks for aviation personnel. The research addressed growing concerns about radar operators and aircrew experiencing eye damage from microwave emissions during the early radar technology era.
D. E. JANES et al. · 1969
This 1969 study exposed Chinese hamsters to 2450 MHz microwave radiation (the same frequency used in microwave ovens) and found it reduced protein production in liver and testis tissues while causing chromosome abnormalities in bone marrow cells. The research demonstrated that microwave radiation can interfere with basic cellular functions including protein synthesis and genetic material integrity.
D. E. Carroll, Anthony Loh · 1969
Researchers tested whether 60 MHz radio frequency energy could kill microorganisms (yeast, E. coli, and Bacillus subtilis) beyond just heating effects. They found no selective killing power from RF energy alone in various liquid and food systems, only standard thermal effects.
Willard E. Caldwell, Earl Gaddis, Morton Werber · 1969
This 1969 study by Caldwell described the development of an operant electromagnetic chamber designed to expose small mammals to radio-frequency radiation while monitoring their behavior. The research focused on creating controlled experimental conditions to study how RF electromagnetic fields might influence animal behavior through operant conditioning techniques.
Peter V. Hobbs, L. F. Radke, Ling Y. Wei · 1969
This 1969 study by Wei proposed a new physical model for how nerve cells transmit electrical signals. The research identified three previously unknown properties of nerve cell membranes: negative surface charges, changes in light refraction, and infrared heat emission during nerve activity.
J. A. Tanner, C. Romero-Sierra, S. J. Davie · 1969
Researchers in 1969 exposed birds to microwave radiation at 45 mW/cm² to study their escape reactions and understand how their bodies respond to electromagnetic fields. This early experiment explored how wildlife reacts to microwave exposure and the physiological mechanisms behind their behavioral responses. The study represents foundational research into how electromagnetic fields affect animal behavior and biology.
Joseph H. Vogelman · 1969
This 1969 foundational study examined the physical characteristics of microwave and radio frequency radiation, establishing that these non-ionizing frequencies behave completely differently from X-rays or nuclear radiation. The research identified two distinct categories of biological effects: thermal effects where microwave energy converts to heat in living tissue, and non-thermal effects that cannot be explained by heating alone.
Unknown authors · 1969
This 1969 Air Force manual established safety protocols for personnel working with laser equipment in military and aerospace settings. The document provided guidance for reducing unnecessary laser radiation exposure and protecting workers from potential health hazards. This represents one of the earliest institutional acknowledgments of electromagnetic radiation health risks in occupational settings.
Unknown authors · 1969
This 1969 journal article examined non-ionizing radiation across multiple frequency ranges including microwaves, infrared, visible light, and radio frequencies. As one of the early comprehensive reviews of non-ionizing radiation, it helped establish the scientific foundation for understanding electromagnetic field effects decades before widespread consumer electronics.
H. P. SCHWAN · 1969
This 1969 foundational study by Herman Schwan examined how microwave radiation interacts with human tissue, distinguishing between thermal heating effects and non-thermal biological effects. The research established that while thermal effects were well understood, non-thermal interactions remained uncertain, forming the basis for early radiation safety standards.
William E. Elzinga · 1969
This 1969 research developed an animal model for studying heart attacks by using iron particles and magnets to create controlled coronary thrombosis (blood clots blocking heart arteries). The study aimed to create a reproducible experimental method for inducing myocardial infarction in laboratory animals. This represents early research into using magnetic fields and magnetic materials to manipulate biological processes in controlled laboratory settings.
J. G. DAUBS, O.D. · 1969
This 1969 study examined the potential eye hazards from airborne radar systems, focusing on microwave exposure risks for aviation personnel. The research addressed safety concerns about radar's high-power microwave emissions and their effects on human vision and eye health.
K. N. May · 1969
This 1969 economic analysis compared three commercial chicken cooking systems: batch steam, conveyorized steam, and conveyorized microwave in steam atmosphere. The study found microwave cooking offered significant operational advantages over traditional methods, with cost savings that would pay back the higher equipment investment in just 1.27 years.
William Walden Mumford · 1969
This 1969 study examined how heat stress affects the body's ability to handle radiofrequency radiation. Researchers found that the standard safety limit of 10 mW/cm² should be reduced by 1 mW/cm² for every point above 70 on the temperature-humidity index. The findings suggest that hot, humid conditions make RF radiation more dangerous to human health.
A. G. Hunt · 1969
This 1969 study examined the relationship between various non-ionizing radiation sources and human exposure, identifying gaps in safety standards. The research highlighted particular concerns about laser radiation in the near-infrared spectrum and called for better data on biological damage thresholds across all wavelengths.
John H. Heller · 1969
This 1969 conference paper by JH Heller examined how microwave radiation affects cells in laboratory conditions, specifically looking at chromosome aberrations and other biological effects. The research was part of early investigations into whether radio frequency energy could damage cellular structures. This represents foundational work in understanding microwave radiation's biological impacts during the early development of microwave technology.
J. G. DAUBS, O.D. · 1969
This 1973 research examined potential eye hazards from airborne radar systems, focusing on microwave radiation exposure risks for personnel operating or working near radar equipment. The study addressed safety concerns about radar's electromagnetic emissions and their effects on human vision and eye health.
Vernon E. Rose et al. · 1969
This 1969 study examined microwave oven repair workers who faced dangerous radiation levels exceeding 10 mW/cm² while working on energized magnetrons. Researchers found these occupational exposures posed risks for cataracts and thermal tissue damage, but developed an effective copper mesh screening solution to reduce worker exposure below safety limits.