R. MARCHAND · 1978
This 1978 conference paper by R. Marchand examined health risks from various types of non-ionizing radiation including microwaves, lasers, ultraviolet, and infrared radiation, with particular focus on occupational exposure scenarios. The research addressed radiation protection concerns across multiple EMF sources during an era when workplace safety standards for these technologies were still developing. This work contributed to early understanding of non-ionizing radiation hazards in occupational settings.
Scott Kaufer · 1978
This 1978 research examined microwave radiation as an invisible form of air pollution, focusing on sources like radar systems and their potential public health implications. The study addressed electromagnetic pollution during an era when microwave technology was rapidly expanding but health effects were poorly understood. This work helped establish early awareness of microwave radiation as an environmental health concern.
Art Dula, Esq. · 1978
This 1978 review examined the scientific theory behind microwave exposure standards in the United States and compared them with international standards. The analysis focused on the regulatory framework established by the 1968 Radiation Control for Health and Safety Act, with particular attention to microwave oven regulations.
L. Yencharis · 1978
This 1978 research focused on developing temperature monitoring technology for cancer hyperthermia treatments using microwave energy. The study explored fiber optic temperature probes with semiconductor components to safely measure heat during microwave-based cancer therapy. This work contributed to understanding how to control microwave energy delivery in medical applications.
Chung-Kwang Chou, Arthur W. Guy · 1978
Researchers exposed isolated nerve and muscle tissues from frogs, cats, rabbits, and rats to 2450 MHz microwave radiation at power levels ranging from 0.3 to 1500 W/kg. They found no changes in nerve function or muscle contraction during or after exposure. Any effects observed at high power levels were simply due to tissue heating, not direct electromagnetic field effects.
Albert, E.N. · 1978
Researchers exposed rats and hamsters to microwave radiation at 2450 and 2800 MHz (similar to microwave ovens) for 2 hours and found it caused the blood-brain barrier to leak. The study revealed cellular damage including swollen brain cells, signs of nerve degeneration, and blood clots in small vessels.
Lehmann et al. · 1978
Researchers tested two microwave diathermy applicators used for medical heating therapy on tissue models and human subjects. They measured how much stray radiation leaked from the devices at various distances and anatomical sites. Both applicators produced dangerous levels of stray radiation that exceeded proposed safety standards, particularly near sensitive areas like eyes and reproductive organs.
O. P. Gandhi et al. · 1978
Researchers in 1978 developed an advanced computer-controlled system to measure how biological samples absorb millimeter wave radiation from 26.5 to 90 GHz. This technology allowed rapid frequency scanning that previously took hours with manual equipment, enabling more precise measurements of how living tissue interacts with high-frequency electromagnetic fields.
R.P. Blakemore, R.B. Frankel, A.J. Kalmijn · 1978
Scientists discovered that magnetotactic bacteria contain chains of magnetite crystals that function as internal compasses, allowing them to navigate using Earth's magnetic field. Using Mössbauer spectroscopy, researchers found approximately 25 magnetite particles arranged in chains within each bacterial cell. This groundbreaking study revealed how living organisms can naturally sense and respond to magnetic fields for navigation.
Mark Joseph Hagmann · 1978
This 1978 doctoral thesis developed numerical methods to calculate how electromagnetic energy is absorbed by the human body. The research created mathematical models to predict energy absorption patterns in human tissue when exposed to electromagnetic fields. This foundational work helped establish the scientific basis for understanding EMF exposure levels in humans.
Quirino Balzano, Oscar Garay, Francis R. Steel · 1978
Researchers tested how much radiofrequency energy from 800 MHz portable radios gets absorbed into human tissue by measuring temperature changes in simulated human heads. They found that different antenna designs create 'hot spots' about one inch below the skull's surface, with some antennas exposing the eye area to higher energy levels than others.
Unknown authors · 1978
This 1978 study investigated how electromagnetic fields affect bone growth and tooth implantation in animals. The research examined whether EMF exposure could influence the biological processes involved in bone development and dental implant success. This represents early scientific exploration into EMF effects on skeletal and dental tissues.
Science Information Services Department · 1978
This 1978 technical report by the Franklin Institute examined magnetic fields and their potential health effects in occupational settings. The document provided an information profile on magnetic field exposure risks for workers, representing early recognition of electromagnetic field safety concerns in workplace environments. This research helped establish foundational understanding of magnetic field exposure assessment during the early years of EMF health investigations.
Science Information Services Department · 1978
This 1978 technical report by the Franklin Institute compiled comprehensive information on radiofrequency and microwave radiation, including sources like radar systems. The document served as an early reference guide covering the scientific understanding of RF and MW radiation properties, exposure sources, and occupational safety considerations during the late 1970s.
Kjell Hansson Mild, Ronnie Lundström, Bertil Nordström · 1978
This 1978 Swedish technical report describes the development of specialized instruments to measure both electric and magnetic field components of radiofrequency radiation in workplace environments. The researchers created an E-field meter for frequencies between 10-100 MHz and power densities up to 1000 W/m², plus an H-field meter for 10-60 MHz frequencies capable of measuring up to 3 A/m at 27 MHz.
Hagmann J, Gandhi OP, D'Andrea JA, Chatterjee I · 1978
Researchers discovered that the human head acts like an antenna at 350 MHz microwave frequency, absorbing three times more energy than expected. This "head resonance" effect means the head region absorbs far more radiation than previously calculated when the whole body is considered, not just the isolated head.
Dr. Shore · 1978
This 1978 technical report by Dr. Shore compiled conclusions, recommendations, and supporting materials related to microwave and RF radiation's biological effects and environmental exposure implications. The document represents part of a comprehensive review examining health implications from electromagnetic radiation exposure. As a technical compilation, it likely synthesized research findings and provided guidance for understanding microwave radiation's impact on human health.
Patricia Y. Hester, B.B. Bohren · 1978
Researchers exposed chicken eggs to electromagnetic fields of up to 160 gauss for 3 seconds each before incubation, then measured hatching rates and chick weights. The study found no effects on hatchability, body weight, or hatching time, contradicting a U.S. patent's claims that similar EMF exposure improves hatching success by 5-8%.
A. Bootz, G. Winke, A. Boyer and J. Brinkmann · 1978
Researchers exposed chickens to extremely high electric fields (30 kV/m at 50 Hz) for 43 weeks, from hatching through their first laying period. While egg production remained normal, exposed birds showed behavioral changes including increased aggression in roosters and abnormal nesting behaviors in hens. The study found no effects on fertility or offspring development, but egg weight gain was reduced in the exposed group.
Unknown authors · 1978
This 1978 government information bulletin examined domestic microwave oven safety, focusing on microwave radiation leakage and potential biological effects from household exposure. The document addressed safety concerns and radiation standards for consumer microwave ovens during their early widespread adoption.
Lawrence E. Larsen, John H. Jacobi · 1978
This 1978 technical study developed a microwave imaging system to examine biological targets using microwave radiation. Researchers used specialized antennas and scanning methods to create images of different materials, arguing that microwaves could reveal unique features in biological tissues that other imaging methods might miss.
Unknown authors · 1978
This 1978 government report compiled research on nonionizing electromagnetic radiation effects across multiple biological systems and medical fields. The document served as a comprehensive review of EMF health research available at that time, covering everything from aerospace medicine to toxicology. It represents one of the earliest systematic attempts to catalog the growing body of evidence about electromagnetic field health effects.
Unknown authors · 1978
This 1978 government report compiled research on nonionizing electromagnetic radiation effects across multiple biological and medical disciplines. The comprehensive review covered aerospace medicine, toxicology, epidemiology, and behavioral sciences, representing an early systematic effort to understand EMF health impacts. This historical document shows that concerns about electromagnetic radiation effects on human health were being seriously investigated decades before widespread wireless technology adoption.
H. Bassen, J. Sing · 1978
This 1978 technical paper describes a safety control system designed to protect workers in high-power RF and microwave research facilities. The system uses fail-safe detectors, warning lights, and automatic shutoffs to prevent accidental human exposure to dangerous radiation levels. This represents early recognition of RF radiation hazards in occupational settings.
M. F. Iskander, P. W. Barber, C. H. Durney, H. Massoudi · 1978
This 1978 study analyzed how electromagnetic radiation from short dipole antennas affects human-shaped models at close distances. Researchers found that radiation patterns and energy absorption rates (SAR) differ significantly from distant exposure, with higher energy densities occurring when the source is less than half a wavelength away from the body.
