Did you know #56| Radio Sparks to Speakers

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Photo taken from Google-:

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Like pebbles in a pond, energy has Waves. In the 1880's, people notice that electric sparks make radio Waves. Later, it is learned that It is the quickly changing flow of electricity that makes the radio WavesWireless communication called "radio" is invented. Antennas transmit or send the signals. In the receiver, these radio Waves are changed back into sound in the speaker. Today, radios, cell phones and Wi-Fi all use radio waves.

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More previous did you know facts-:
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55.