Johannes Gutenberg invented the printing press in 1450. It made books less expensive and it can also make newspapers and copies of pictures.
Oct 26, 1565
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.
The first camera was invented by Joseph Nicephore. A camera can take pictures and make movies.
Fax machine invented
Alexander Bain invented the fax machine. It sends and receives messages from far away and will transmit pictures of documents.
Samuel Morse invented the telegraph to send messages. You tap a key in Morse code to transmit a message great distances.
Telephone invented by Alexander Graham Bell
Telephones are important because they send voice messages over long distances.
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,
Gugliemo Marconi invented the radio. The Titanic used his equipment to signal for help. Radios can help you signal others or listen to music.
Computer invented in 1945
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.
Liquid Paper invented
Liquid paper helps to correct errors while typing with a typewriter.
Invented by Douglas Engelbart. This allows users to click on a picture on a computer screen.
The internet changed our lives because you can communicate wih people. It was made by the government.
Paper is made with long stranded wood pulp fiber. Paper was first invented by the Chinese.