* In pioneering
models of rough, "Graham Bell" about the idea to invent the theory that the phone was available that day, Bell noted. The piano sound is caused by the vibration of the string. Therefore, it seems to be a conductor wire. Audio from one place to another, even with this principle he thought created the pass. To conduct sound waves to flat sheet metal with a magnet. Near and wire coiled around the magnet again. When sound waves vibrate the metal. The vibration causes Electrical current in a wire around a magnet. Then flows through the wire lines, which connect to the receiver and the receiver are similar to convert electricity to return to sound again. And this is me Theoretical work by Telephone, "Graham Bell," The evolution of communication systems. Smoke from the pigeons that used to send humans to today, we can not deny that. The phone is useful and convenient for us how much is concluded. Are you a twenty of "telephone" that are more common. But if used the wrong way ... Lottery, call, call, call out my wife read other people. When society gets punished To bully blaming invention, "Graham Bell," I can not ...
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