Today is the 155th birthday of Heinrich Rudolf Hertz who proved that electricity can be transmitted via electromagnetic waves.
This discovery of Hertz later proved the way of development of wireless telegraph and radio.Thats why unit of radio frequency is called Hertz.Hertz measured Maxwell's waves and showed how the velocity of radio waves is equal to the velocity of light.Google Doodles are the decorative changes that are made to the Google logo to celebrate holidays, anniversaries, and the lives of famous artists and scientists.
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