Timeline: Evolution of Communication by Sophia Ávila https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s Sophia Mota - 1° ano do Ensino Médio en-us 2021-09-30 17:10:08 UTC 2024-12-16 16:04:41 UTC hello@padlet.com Stone Age sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782115573 Cavemen gathered around fire to discuss day to day activities. ]]> 2021-09-30 17:22:22 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782115573 Stone Age sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782369621 Cavemen started inscribing on caves.]]> 2021-09-30 19:15:19 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782369621 Smoke Signal sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782383962 Used by tribes of North America and Ancient China.
It's used to alert danger communication.]]> 2021-09-30 19:22:20 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782383962 Pigeons sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782389143 Extensively used for long disttance communication.
It was used by Greeks, Persians and Romans.

]]> 2021-09-30 19:25:22 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1782389143 Pony Express sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784879398 Used in mid 19th century between East Coast and West Coast of America.]]> 2021-10-01 18:14:54 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784879398 Semaphore Flag sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784898639 Communication using visual signals with hand-held flags, rods and disk.
It was used in maritime during the late 19th century.


]]> 2021-10-01 18:25:26 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784898639 Telegraph sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784914813 Harnessing of electricity gave birth to electric telegraphy. 
Telegraphy was the most popular form of long distance communication.]]> 2021-10-01 18:34:55 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784914813 Radio sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784929978 Beginning of a new era of distant communication.
20th century: radio system was used to play music and voice.]]> 2021-10-01 18:43:44 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784929978 Telephone sophiamavila2 https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784943808 Used for diplomatic purpose or broadcasting.
Created by Alexander Graham Bell in 1876, only rich people could afford. However, after that, the telephone became a global form of communication.]]> 2021-10-01 18:51:33 UTC https://padlet.com/sophiamavila2/ywgpww3d2m8mpz6s/wish/1784943808