Strangest Jobs In History

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Airplane Listener

Before the invention of the radar, the troops should use other tools to identify the enemy. One of these techniques was to determine the acoustic position. Longer phones helped people recognize the vibrations and determine the voice position. These equipment was used from the middle of the First World War to the early World War II.

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Bridging Cultures Through Sound

Kayhan Kalhor was born on 24 November 1963 in Kermanshah, or alternatively cited as Tehran …