History of Invention: Communications and Computers

The Written Word: Writing was invented to Record Events and Information for the Future The Printed Page: Writing by Hand Takes a Long Time. Printing Technology Allowed Information to be Reproduced More Quickly Long-Distance Communication: The History of Mail Services and How Coded Messages were sent by Telegraph Machines The Spoken Word: How the Telephone and Radio have Changed the Way we Communicate with each Other. Recording Sound: The Different Ways Music and Other Sounds are Recorded and Played Back Photography: How Cameras Make Images of the World. Moving Pictures: How Moving Images are Recorded, Transmitted, and Then Replayed. The First Computers: How the First Mechanical Calculating Machines and Electric Computers Worked. Modern Computers: A Look at the Hardware and Software of Modern Computer Technology. Communication Revolution: How the Internet and Other New Forms of Communication Change the way We Live and Work