6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
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EMF Research Studies

Browse 6,486 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.

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Whole Body / General

A Transistorized Bio-Tachometer

Harve M. Hanish · 1959

The bio-tachometer automatically measures time relationships of quasi-periodic biological signals by converting intervals into amplitude variations. The device uses a two-transistor ramp generator in a Miller integrator configuration triggered by biological signals. Testing on a resting gopher snake showed cardiac rate changes of approximately 20 beats per minute over the respiratory cycle. Testing on a stimulated rattlesnake showed consistent heart rate increases of 15 to 30 beats per minute.

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Whole Body / General

Experimental radiation cataracts induced by microwave radiation

Russell L. Carpenter et al. · 1959

Researchers exposed 56 male New Zealand white rabbits to continuous-wave radiation at 2450 MC with power densities from 0.12 to 0.40 WATTS/CM. Higher power densities required shorter exposure times to induce cataracts, with a six-minute exposure at 0.28 WATTS/CM. being the minimum cataractogenic single exposure. Repeated subthreshold exposures also caused cataracts, with two four-minute exposures two weeks apart proving cataractogenic.

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Whole Body / General

EVALUATION OF OPTICAL METHODS IN BIOMEDICAL RESEARCH

Raymond Jonnard · 1959

The author presents optical systems as diffraction-limited, noisy, linear-communication channels with spatial-frequency response limited by a generalized interaction principle. The theory uses frequency analysis to evaluate optical system performance, predicting that filtration methods improve performance in relative frequency applications. A sampling theorem similar to communication theory is applied, where N = 2RT with time replacing length. Total optical noise reduces the effective aperture, and the analysis leads to a relation similar to Shannon's theorem for maximum information transmission rate in a noisy channel. The paper introduces a generalized principle of optical indeterminacy and discusses how observation interacts with biological objects, limiting complete predictability.

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