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The name of German physicist Heinrich Hertz has become a part of everyday language because of his work on electromagnetic 1_______. The hertz (Hz), the unit used to measure the frequency of electromagnetic waves, is named for the German 2_______. Hertz was inspired by the work of the 3_______ physicist James Clerk Maxwell, who had predicted the existence of electromagnetic waves. Hertz designed and 4_______ equipment that proved that these waves exist and that they could be detected at a distance.
waves
scientist
Scottish
built