Don D. Irwin et al. · 1970
This 1970 study demonstrated that time-varying magnetic fields can stimulate cardiac muscle and other biological tissues just as effectively as direct electrical stimulation. Researchers used frog muscle to show that magnetic fields could induce the same electrical responses that normally require electrodes, confirming that changing magnetic fields create electrical currents in living tissue.
R. A. Inman · 1970
This 1970 NASA study calculated RF radiation levels around space station antennas and found they could easily exceed accepted safety limits. The researchers emphasized that proven harmful effects like cataract formation justify protecting personnel from overexposure to high-power RF fields.
Frederic G. Hirsch · 1970
This 1970 case report examined a human patient who developed cataracts after microwave radiation exposure. The study represents an early documentation of microwave-induced eye damage, contributing to our understanding of how electromagnetic fields can affect vision and eye health.
M. KENT · 1970
Researchers measured how white fish meal (dried protein) responds to 10 GHz microwave radiation at different temperatures and moisture levels. They found that both the material's ability to store and absorb microwave energy increased dramatically with water content, with a notable change occurring when the first layer of water molecules was complete. The study determined it takes 6.4 kJ/mol of energy for water molecules to move between different binding sites on the protein.
Manfred R. M. Blashy · 1970
This 1970 research examined advances in shortwave therapy, which uses radiofrequency electromagnetic energy for medical treatments including diathermy (deep tissue heating), bacterial infection control, and wound healing. The study focused on therapeutic applications of RF energy in human medicine. This represents early documentation of both beneficial and potentially harmful effects of electromagnetic field exposure in clinical settings.
D.P. Photiades, S.C. Ayivorh, R.J. Riggs · 1970
This 1970 conference paper examined how weak electric currents can speed up wound healing and bone fracture repair. The research explored the control mechanisms behind these bioelectric effects, investigating how low-level electrical fields influence cellular processes involved in tissue regeneration.
Ronald R. Bowman · 1970
This 1970 technical report by Ronald Bowman examined methods for measuring and quantifying dangerous electromagnetic field exposures. The research focused on developing practical approaches for identifying when EMF levels become hazardous to human health. This work laid important groundwork for establishing safety standards and measurement protocols still used today.
Steven Galagan · 1970
This 1970 technical study examined microwave absorbing materials and anechoic chamber design principles. The research focused on understanding how specialized materials can absorb microwave radiation and how to properly design chambers that eliminate electromagnetic reflections. This work laid important groundwork for creating controlled electromagnetic environments used in both research and industrial applications.
S. A. CARNEY, J. C. LAWRENCE, C. R. RICKETTS · 1970
This 1970 study examined how pulsed X-band microwave radiation affected guinea pig skin tissue grown in laboratory cultures, specifically measuring changes in cellular respiration and biochemical processes. The research found measurable effects on skin tissue metabolism when exposed to these microwave frequencies. This early work helped establish that microwave radiation could alter basic cellular functions in living tissue.
Unknown authors · 1970
This 1970 technical report describes the development of an inexpensive readout system for commercial thermocouple probes that measure microwave power density. The research focused on creating affordable measurement equipment to detect microwave radiation levels. This work represents early efforts to make microwave exposure monitoring more accessible to researchers and safety professionals.
Mills LF · 1970
This 1970 government report examined the biological effects of diathermy, a medical treatment that uses microwave radiation to heat body tissues for therapeutic purposes. The research was part of a comprehensive radiation bio-effects summary conducted by the Bureau of Radiological Health. This early investigation helped establish understanding of how controlled microwave exposure affects human biology in medical settings.
King GR, Hamburger AC, Parsa F, Heller SJ, Carleton RA · 1970
This 1970 study examined how microwave ovens interfere with implanted cardiac pacemakers, investigating electromagnetic compatibility issues between common household appliances and life-sustaining medical devices. The research addressed early concerns about whether microwave radiation could disrupt pacemaker function, potentially causing dangerous heart rhythm problems in patients with these implanted devices.
Unknown authors · 1970
This 1970 technical report describes the development of a liquid crystal-based device to measure microwave power density levels. The research focused on creating measurement tools for detecting microwave radiation intensity, which was becoming increasingly important as microwave technology expanded. This work contributed to early efforts to quantify electromagnetic field exposures.
Harry Levine, Robert L. Moore · 1970
This 1970 government research examined how microwave energy distributes inside microwave ovens and evaluated proper test methods for measuring this distribution. The study focused on technical aspects of microwave oven operation and energy patterns. This early research helped establish safety testing protocols for microwave appliances.
Stephen W. Smith et al. · 1970
This 1970 technical report documented laboratory testing and evaluation procedures for microwave ovens, examining radiation safety protocols during the early commercial adoption of microwave cooking technology. The research established testing methodologies for measuring microwave leakage and evaluating safety standards for consumer appliances.
Unknown authors · 1970
This 1970 military standard established design criteria for military systems, equipment, and facilities to optimize human performance and safety. The document created engineering guidelines for military technology development during an era when electromagnetic considerations in equipment design were becoming increasingly important. These standards influenced how military systems were built to minimize interference and protect personnel.
Kulikovskaya YL · 1970
This 1970 Soviet technical report examined protection strategies against radio wave exposure, focusing on workplace safety practices and engineering controls. The research addressed occupational exposure concerns during the early development of radio frequency technology. This represents early recognition that radio wave exposure required protective measures in industrial and workplace settings.
Unknown authors · 1970
This 1970 government survey documented industrial uses of microwave energy across various sectors. The report cataloged how businesses were deploying microwave technology for heating, drying, and processing applications. This early documentation provides baseline data on microwave deployment before widespread consumer adoption.
L.N. Yashina · 1970
Soviet researchers in 1972 investigated how pulsed low-frequency magnetic fields affect enzyme activity in laboratory rodents, focusing on redox enzymes that are crucial for cellular energy production. This early study explored the biological effects of pulsed magnetic field exposure, which was becoming more common in industrial applications. The research built on previous findings that static magnetic fields could alter enzyme function and cellular respiration processes.
Unknown authors · 1970
This 1970 government study examined how the time period over which instruments average their readings affects the accuracy of microwave power density measurements. The research focused on understanding measurement techniques for assessing microwave radiation exposure levels. This technical work was foundational for developing standardized methods to measure EMF exposure in various environments.
GILBERT, HARRY · 1970
This 1970 study examined microwave radiation leakage from microwave ovens, investigating how much electromagnetic energy escapes from these appliances during operation. The research focused on measuring actual emission levels from microwave ovens, which was important for establishing safety standards. This work helped inform early regulations about acceptable leakage limits for consumer microwave ovens.
Bernice H. Cohen, Abraham M. Lilienfeld · 1970
This 1970 Baltimore study investigated whether parental exposure to ionizing radiation increased the risk of Down syndrome (then called mongolism) in their children. Researchers examined the connection between radiation exposure and chromosomal abnormalities that cause Down syndrome. The study was motivated by known links between radiation and chromosome damage, as well as associations between Down syndrome and leukemia.
O. Balzano, O. Garay, F.R. Steel · 1970
This 1970 technical report examined RF energy exposure levels from portable radio operators using 30 MHz frequencies. Researchers used phantom models and tissue simulation techniques to measure how much radiofrequency energy was deposited in human tissue during radio operation. The study represents early efforts to quantify occupational RF exposure from handheld communication devices.
John C. Keesey, Frank S. Letcher · 1970
This 1970 study established human safety thresholds for electrical shock from power transmission frequencies (50-60 Hz). Researchers found some people can perceive as little as 0.5 milliamps, while 9 milliamps represents the maximum current most adult men can still release their grip from. The study recommended 5 milliamps as a safety threshold for the general population, including children.
Christopher S. Cox, Harold Klapper · 1970
This 1970 technical report examined the molecular structure of water within E. coli bacteria cells. The research focused on understanding how water molecules organize and behave inside bacterial systems. While not directly studying electromagnetic fields, this foundational work helps explain how EMF exposure might disrupt cellular water structure and biological processes.