importent comunications events

chinese printing

450

chinese invented printing by inking carved wood blocks.
wood block must be prepaired befor it can be inked.
they allso made tabbels with the same technique.
wood block inking eventualy led to books.

Printing press

Mar 2, 1450

Johnn Gutenberg invents a printing press using movable metal type.
this time is at the end of the middle ages.
around this time there was a growing need for largely spreed documants.
it remained untill the 19th century this invention was vertualy unchanged.

newspapers in Germany

Mar 3, 1609

Early newspaper are published in Germany.
the first was called the german-language.
in bosten the first american news paper publick occurrences.
by the early 19th century many citys in eurup and nerth and south america had news papers.

Mechanical semaphore

Mar 2, 1792

Mechanical semaphore is invented in france
it is am means of vishual comunication.
populer in late 18th and erly 19th century.
faster than poast riders but more expensive and less privet than a tellagraph.

first computer program

Mar 3, 1830

Ada Byron lovelace a mathematician wrights the worlds first computer program for a computing machine designed by Charles Babbage, but never built.
only chiled of poet lord byron.
was a tranlater befor she desined the program.
since 1998 the british computer society has given an anuel aword in her name.

morse code

Mar 3, 1837

Samuel Morse invents a telegraph that can send short and long beeps called dots and dashes used to create letters and words.
the dots and dashes where also called dots and dits.
the telagraph code was simaler but not the same.
morse code was largely used in WWI.
-.-. --- --- .-.. !!!!!

transatalantic cable

Mar 3, 1866

first successful transmissions over a transantic cable.
it tuke five atempts over nine years to get the first sucsesful transmishon.
the cable streched from st. John's to Nova Scotia.
the messages where in morce code and tuke two minuts to transmit one chericter.

first phone

Mar 3, 1876

Alexander Graham Bell invents the telephone, transmitting the sound of the voice clearly over electrical wires.
the phone was first invented in the england but Alexander was frum scottland.
in the first ever transmition Bell spoke to his asistint watson "come hear watson I want to see you".
Thomas Edison took the next step in improving the telephone with his invention in 1878 of the carben micraphone.

phonograph

Mar 2, 1877

Thomas Edison invents the phonograph, a device to record sound on a wax cylinder.
Thomas Edison changed the world with his voice recording device.
the same tecnoligy is used in many things we have today.
was invented on november 21 1877 in Chicogo.

long distance

Mar 3, 1884

first long distance phone call.
was 2:31 seconds in langht.
this changed the world think of how meny long distance calls you have made.
was to communicate news of a family member dieing.

radio across atlantic

Mar 3, 1901

Gugliermo Marconi sends the first radio signal across the Atlantic Ocean.

T.V.

Mar 3, 1901

the very first homes get television sets to watch broadcast programs.

pics

Mar 2, 1924

pictures are first sent over telephone lines.

satalight is lanched

Mar 2, 1963

first communications satellite allowing worldwide live broadcast of the 1964 Olympics

the internet

Mar 3, 1970

the internet is invented by the U.S. goverment as a means of military communication.

first E-mail

Mar 2, 1972

the first E-mail messages are sent

computer invented

Mar 2, 1975

the computer is invented

first emoticon

Mar 3, 1979

the first emoticonis used in an E-mail message (a smiley face) ☺

cell phone

Mar 3, 1982

the first cell phones are available for sale

internet

Mar 2, 1990

Tim Berners-Lee invents the internet

web brouser

Mar 3, 1993

marc Andreeson creates the first browser program, allowing people to navigate the web.

flags

Mar 2, 2022

Byzantine Ship captains use colored flags to send signals across the water.
now we have moderen radieo to communicate across water.
We do still use some nautical flags.
there are meny diferent kinds of flags some are letters and some are sines like storm.