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Heinrich Hertz was posthumously recognized for his contributions to research in the field of electromagnetics by the International Electrotechnical Commission in 1930 by having the unit of measurement of frequency name hertz. This unit replaced the earlier used measurement of cycles per second and was in widespread used by the 1970s. Today the unit hertz is used in everything fromradio broadcasting to measuring the frequency of light reflected by printer inks to measuring the speed of computer processing chips and much much more.

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