The Talking Wire
O. J. Stevenson
Gebundenes Buch

The Talking Wire

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One day, in the year 1874, as Alexander Graham Bell was lying in a hammock hung between two birch trees, he was pondering an idea. He was in his Dreaming Place, and here he dreamt of a machine where the human voice could travel through an electric wire. He thought intently about this revolutionary idea: "He must find a current, or create it, that would vary in the same way as the air that carries sound waves varies. The current must undulate...This undulating current - did such a thing exist? And how could it be created? This was the key to the problem of electric speech, but he didn't know ho...