Electric Heating

In last week's Archives of Physical Therapy, Dr. Hans Weisz & associates of the University of Vienna reported that they spread out a frog's tongue until it was very thin, and kept it in that shape by lacing it to a U-shaped glass rod. This arrangement enabled them to see and prove that ultrashort waves heat only the flesh and do not alter the blood vessels of that part of the body exposed to them, and that the electricity produces no effect other than that of pure heat, an important fact for physiotherapists to know.

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