Microphones are a part of everyday life, so it’s easy to overlook how they’ve revolutionized the world. Microphones are involved in almost every song you hear, every TV program you watch, the announcements on the train, international relations, the voice of a loved one at the end of a phone call, great political movements, the exploration of outer space, the list goes on.
One of the early uses of microphones was the telephone. It might be easy to overlook microphones today, but the potential of this invention ...