Don't drop the mic......

Have a little respect for David Edward Hughes, the man who invented it. In a period of history crammed with inventors whose names you know — Edison, Morse, Bell — Hughes was every bit their peer.

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He devised the carbon microphone to amplify sound in telephone receivers (1878) and then realized pretty quickly that it had broader applications. He didn't patent his design, deciding instead to make it a gift to the world.

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