RADIO RESEARCH
UNEXPECTED RESULTS VALUE TO OTHER SCIENCES '■Modern radio research has thrown unexpected light on important problems in other branches of knowledge," said Dr. B. van dcr Pol, director of the research laboratories of Philips' Lamps, at Eindhoven, Holland, on his arrival at Auckland from Sydney recently en route for the Continent. Dr. van der Pol has been attending the World Radio Convention, held recently in Sydney at which he read one of'the principal papers, embodying the results of his researches. "In the treatment of disease by diathermy, one of the latest developments has been made possible by the invention of radio transmitting tubes and circuits adapted to the use of powerful waves of very high frequency," said Dr. van der Pol. "The ordinary diathermic apparatus can use only larger waves of low frequency, with the result that the elcctXrc currents generated in the human body concentrate in the arteries and veins, so that the main heating effect is confined to the blood and is rapidly dispersed. "With the new high frequency apparatus, it is possible to penetrate readily all portions of the body, and to heat electrically even parts which ;<re completely enclosed by non-con-ducting material." The analysis of radio oscillations had also been responsible for the discovery of new rhythms in the beating 1 of the human heart from experiments with an electrical model. In the domain of geophysics, the study of oscillations had resulted in the construction of a clock more accurate thanl the most elaborate siderial clock | known to astronomers. In the research labatories at Eindhoven there were 100 scientists, including physicists, chemists, and mathematicians, while in the factories where X-ray and all types of radio and electrical equipment are manufactured, the employees numbered some 20,000, added Dr. van der Pol. Eindhoven was known the world over as a powerful transmitting station, and was famed for its two revolving beam transmitting towers.
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Bibliographic details
Poverty Bay Herald, Volume LXV, Issue 19623, 5 May 1938, Page 16
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317RADIO RESEARCH Poverty Bay Herald, Volume LXV, Issue 19623, 5 May 1938, Page 16
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