Quirky Science - EP. 4

A man with an ear for music, one of the first to try teaching the deaf how to speak, thought he could build a "harmonic telegraph". He had this idea that several notes could travel through a wire simultaneously, instead of the one Morse code that the telegraph could transmit. He thought this to be possible because he misinterpreted the writings of a researcher writing in German – a language he did not know. – And would later describe his misinterpretation as a "very valuable blunder". The man was Alexander Graham Bell and he invented telephony. The big question is: what happens in that wire? H... Číst dále