《When was it invented?》PPT课件17

telephone, television, car, personal computer, shoes with special heels, shoes with lights, hot ice-cream scoop, tea, potato chips, zipper, basketball

What’s your favorite invention?

Who was it invented?

When was it invented?

What is it used for?

Does it have a cool story?

…

My favorite invention is the computer. The first computer was invented in 1946 and it was invented by John W. Mauchly and J. Presper Eckert. We can use the computer to do a lot of things. It can be used for storing information, send messages, listen to music and so on. As time pass by, the technology is developing, and the computer is advancing too. But my partner prefers…

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From pie plate to flying disk

The flying disk was invented by college students. It is a new toy. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery in. They found it interesting to throw the pie plates with each other. Then it became a game. Now this game is very popular around the world. And there are flying disk clubs, magazines and even a festival. 

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