Every year on March 4 own The microphone celebrates the birthdaybecause it was on this day in 1877 that an inventor from America named Emil Berliner patented the first microphone.

A device that converts sound vibrations into an electrical signal is called a microphone.

In our time, the activities of artists, television, radio, leading events, dubbing films, etc., are impossible without a microphone. Some singers celebrate March 4 as a professional holiday. On the birthday of the microphone, it is customary to sing without a soundtrack and play live music.

Interestingly, scientists use the properties and vibrations of locust ears and mosquito antennae to create highly sensitive microphones.