Abstract
HIGH-FREQUENCY radio waves such as are used in television (3-20 m. in length), can increase the temperature of certain solutions and of living tissues, and have been used in medical practice (diathermic treatment). Dr. Franz Nagelschmidt describes a method of directing and localising the heating effect by interposing dielectric substances (wax, ebonite) between the electrodes and object, and gives suggestions for practical applications.
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Points from Foregoing Letters. Nature 135, 310 (1935). https://doi.org/10.1038/135310b0
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DOI: https://doi.org/10.1038/135310b0