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Paul Revere's midnight ride
Paul Revere went on his horse to round up the minuteman. He had to go to every door to round up his militia. This is an example of the first communication. -
U.S postal service
This is when the United States postal service was created by the Second Continental Congress. This the second oldest federal department or angency of the United States. Revere's ride was only a couple months a go -
non-electric telegraph
the non-electric telegraph was invented by Claude Chappe in 1794. You had to be in the line of sight of the flag used to communicate -
Gas telegraph
The gas telegraph was invented by Samuel Soemmering. He used wires with gold electrodes.The message was sent 2000 feet away and is read by how much gas caused by electrolysis. -
electromagnet
The electromagnet was Invented by William Sturgeon. Helped future inventions be created. Is a very powerful magnet powered by a battery. -
First electrical telegraph
Joseph Henry sent a message over a mile a way by using the electromagnet, making a bell strike. -
Morse Code
Samuel Morse created a code that constited of dots and dashes. Each letter had a unigue order of dots and dashes. A tap of the button was a dot and and hold was a dash. A message could be sent a letter a t a t i m e -
multiplexing
made possible to transmit eight messages simultaneously over a single wire (four in each direction) -
teleprinter
Varioplex, introduced in 1936, enabled a single wire to carry 72 transmissions at the same time (36 in each direction) -
Telex machine
In 1959 Western Union inaugurated TELEX, which enables subscribers to the teleprinter service to dial each other directly -
ARPANET
Tomilson invented the ARPANET application which was an early e-mail provider. Tomilson also created the at sign.(@) user@host.
Example my email is d97erich@gmail.com d97erich being the user and gmail being the host. -
Texting
In 2001 texting was starting to be added to cell phones. Texting is sending text(words) to a nother phone. -
Gmail
Gmail is the biggest server provider and was created just a couple of years a go.
