https://padlet.com/funnygrandmommy/qfwpntbo5q03 Made with the help of a typing monkey en-us 2017-02-20 00:34:53 UTC 2025-11-29 16:42:10 UTC hello@padlet.com https://padletuploads.blob.core.windows.net/prod/174619352/a133508f443298867d5fbe21f696f5b2/Two_Way_Communication.png funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/155361636 Innovation of...]]> 2017-02-22 05:20:27 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/155361636 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156573047 40,000,000 years ago. ( image 1)]]> 2017-02-27 21:28:15 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156573047 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156573936 20,000 Years ago. (image 2)]]> 2017-02-27 21:32:23 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156573936 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156574340 2017-02-27 21:34:23 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156574340 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156574933 COMMUNICATION WITH DRUMS 3000, B.C (image 4)]]> 2017-02-27 21:37:18 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156574933 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156575498 Egypt had the first documented courier service in 2400 BC. Pharaohs used couriers in Egypt (image 5)]]> 2017-02-27 21:39:51 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156575498 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156575887 A heliograph is a wireless solar telegraph that signals by flashes of sunlight (generally using ..... Marathon 490 BC: The First Persian Invasion Of Greece (image 6)]]> 2017-02-27 21:41:29 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156575887 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156576297 Year 59 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year ... Caesar makes the Acta Diurna (Daily News), the world's first daily newspaper. ( image 7)]]> 2017-02-27 21:43:39 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156576297 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156576741 Paper is a wood-like material primarily used for writing, first invented in ancient China. Although .... Although paper used for writing became widespread by the 3rd century AD, paper ... By the 12th century in Marrakech in Morocco a street was named "Kutubiyyin" or book sellers which contained more than 100 bookshops. ( image 8)]]> 2017-02-27 21:46:12 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156576741 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156577529 Lead pen and ink stand, 16th century (image 8)]]> 2017-02-27 21:50:52 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156577529 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156577881  Gutenberg’s invention of a printing press that works with movable type. (image 9)]]> 2017-02-27 21:52:51 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156577881 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156578389 1500 a.d invention of the pencils (image 10)]]> 2017-02-27 21:56:20 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156578389 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156578673 16th century maritime flags (Image 11)]]> 2017-02-27 21:58:31 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156578673 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156579176 A semaphore telegraph is a system of conveying information by means of visual signals, using towers with pivoting shutters, also known as blades or paddles. Information is encoded by the position of the mechanical elements; it is read when the shutter is in a fixed position. The most widely used system was invented in 1792 in France by Claude Chappe, and was popular in the late eighteenth to early nineteenth century. (image 12)]]> 2017-02-27 22:01:59 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156579176 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156580340 1800 Typewriter (image 13)]]> 2017-02-27 22:10:35 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156580340 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156581861 Antonio Santi Giuseppe Meucci was an Italian inventor and an associate of Giuseppe Garibaldi. Meucci is best known for developing a voice-communication apparatus that several sources credit as the first telephone in 1838. (image 14)]]> 2017-02-27 22:20:00 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156581861 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156582405 June 2, 1896 Guglielmo Marconi patents the radio. ( image 15)]]> 2017-02-27 22:22:48 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156582405 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156585360  In 1821,Charles Babbage invented the first computer. (image 16)]]> 2017-02-27 22:41:39 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156585360 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156585791 A signal lamp is a visual signaling device for optical communication, typically using Morse code ... US Navy sailor sending Morse code using a signal lamp. Signal lamps were pioneered by the British Royal Navy in the late 19th century and continue to be used through the present day, on naval vessels. (Image 17)]]> 2017-02-27 22:45:07 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156585791 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586057 First complete television invented in 1927 by Philo Farnsworth (Image 18)]]> 2017-02-27 22:46:55 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586057 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586334 1960's Computers and text editors. (Image 19)]]> 2017-02-27 22:48:52 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586334 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586562 1969 Computer Networking. (image 20)]]> 2017-02-27 22:50:33 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586562 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586850 1983 internet (image 21)]]> 2017-02-27 22:52:47 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156586850 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587067 1980's Mobile: 1G networks (Image 22)]]> 2017-02-27 22:54:40 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587067 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587408 Early 1990's Mobile 1G Networks.(Image 23)]]> 2017-02-27 22:57:36 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587408 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587733 Late 1990's mobile 2 and 2.5 networks. (Image 24)]]> 2017-02-27 23:00:42 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587733 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587911 2000's Mobile 3G networks. (]]> 2017-02-27 23:02:16 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156587911 funnygrandmommy https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156588265 2012 mobile 4g networks]]> 2017-02-27 23:05:19 UTC https://padlet.com/funnygrandmommy/qfwpntbo5q03/wish/156588265