Technology through the years!

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By: Madison Stewart. Technology through the years!. 1450. Printing press is invented. 1609. Newspapers are published in Germany. 1772. First E-mail message was sent. 1792. Mechanical Semaphore is invented in France. 1830’s. Worlds first computer program for a computing machine. - PowerPoint PPT Presentation

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TECHNOLOGY THROUGH THE YEARS!By: Madison Stewart

1450

Printing press is invented.

1830’s

Worlds first computer program for a computing machine.

1837

Samuel Morse invents a telegraph that can send short and long beeps called dots and dashes.

Alexander Graham Bell invents the telephone, transmitting the sound of a voice clearly over electrical wires.

1876

1877

Thomas Edison invents the phonograph, a device that records sound on a wax cylinder.

1901

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

1924

Pictures are first transmitted over telephone lines.

1963

First communications satellite is launched.

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