Many inventions of the 21stcentury have changed the way people live their lives. This series highlights these great inventions and prompts students to see how their own lives have been changed because of them. Books provide a basic look at the technology behind each invention, discuss what people used before the product was invented, and examine the impact of the invention.
This is Book 1 in the 21st Century Inventions Series. See all 21st Century Inventions books here.
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