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Johannes Gutenberg invented the printing press in 1450. It made books less expensive and it can also make newspapers and copies of pictures.
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Conrad Gesner invented the first pencil in 1565. It is used as a tool to record information and there are even special ones that doctors use to draw on bodies before surgery.
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The first camera was invented by Joseph Nicephore. A camera can take pictures and make movies.
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Alexander Bain invented the fax machine. It sends and receives messages from far away and will transmit pictures of documents.
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Samuel Morse invented the telegraph to send messages. You tap a key in Morse code to transmit a message great distances.
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Telephones are important because they send voice messages over long distances.
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Invented by Thomas Edison, the phonograph was the first device for recording and playing back sound. It was made of a cardboard cylinder wrapped in tinfoil. It recorded with a small needle that formed a track in the foil,
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Gugliemo Marconi invented the radio. The Titanic used his equipment to signal for help. Radios can help you signal others or listen to music.
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Charles Babbage invented the first computing device in the 1800's but modern computers were developed in the 1940s. Computers are useful for recording facts.
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Liquid paper helps to correct errors while typing with a typewriter.
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Invented by Douglas Engelbart. This allows users to click on a picture on a computer screen.
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The internet changed our lives because you can communicate wih people. It was made by the government.
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Paper is made with long stranded wood pulp fiber. Paper was first invented by the Chinese.
