6 jan 1837 ano - Samuel Morse proved that signals could be passed through wires. He used pulses of current to divert movement called 'electromagnet' which moved a marker to write down codes on striped pieces of paper. This drove to the invention of Morse Code. It was used by transmitting and receiving messages over long distances.
Adicionado na linha do tempo:
Data:
6 jan 1837 ano
Agora
~ 187 years ago
