The Amazing Telephone

Now I'm gonna tell you about the telephone. The telephone was created by Alexander Graham Bell. Before the the telephone was invented, if people wanted to communicate to people far away they would mail letters. Then they would wait 20 or 30 days for a response. On the telephone you can call anyone you want and get a response on the same day.

Apple iPhone is the latest in phones:


With just the right transmitter in place sound could be carried over wires trough electricity varying in intensity and also transmits speech. He also tried to experiment with a water transmitter using an acid-water mixture and he succeeded. Unlike the telephone which couldn't transmit speech clearly the water transmitter sent speech perfectly.

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