Response to content:
What are the key turning points in communication history?
The key points in communication history are the introduction of new communication technologies that have played a crucial role in the way we have communicated amongst one another. It has been these key turning points that have had the most significant impact on society and have played some role in the development of communication means in which we use at present.
· 3000BC, Egyptian hieroglyphics developed from Sumerian models.
· 1775BC, Greeks use a phonetic alphabet written from left to right.
· 105BC, Tsai Lun of China invents paper.
· 305, First wooden printing presses invented in China.
· 1455, Johannes Gutenberg invents a printing press with metal movable type.
· 1617, John Napier shows how to multiply and divide using rods or bones.
· 1826, Niepce produces first photograph on metal plate.
· 1831, Joseph Henry invents the first electric telegraph.
· 1835, Samuel Morse invents Morse code.
· 1874, Remington typewriter put on the market.
· 1877, Thomas Edison patents the phonograph
· 1877, Thomas Edison and others develop carbon telephone transmitter.
· 1897 Karl Ferdinand Braun invents cold-cathode "Braun" tube.
· 1923, The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin
· 1951, Computers are first sold commercially.
· 1974, First personal computers introduced.
· 1979, First cellular phone communication network started in Japan.
· 1991, World Wide Web begins.
Referencing:
· The History of Communication, viewed 11 August 2011
· Some dates in the History of Cultural Technology, viewed 11 August 2011
No comments:
Post a Comment