Nowadays, we can communicate with people all over the world have very convenient. But to get here today. Communication has evolved over many generations. The author discusses the evolution of human communication since the early days. It is believed that the communication range of the first to be hit, knock wood, the sound barrier on the other. And sending smoke signals Later, when the man knows how to write a book. I have no idea how to communicate with each other. The new message with bird pin lap
later when the electricity. It was the communications revolution by humans can communicate without having to travel to each other. Do not hit the armor, knock on wood Do not send smoke signals Do not use the clipper Do not use bird pin Lap When the electricity remote communication has been developed based on the new technology. By Samuel Morse American scientists Be the first to figure out how to communicate modern (at the time) by sending a signal down the line. Morse code was used to communicate. By sending an electric current to flow along power lines. And due to the timing of some short, some long, flowing strokes. Then make an appointment with the destination code that represents the character of any individual.
การแปล กรุณารอสักครู่..
