Katie Marsico 
Tremendous Technology Inventions [PDF ebook] 

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Did you know that President Thomas Jefferson used a copier? Or that one of the world’s fastest computers is the size of a two-story house? Get ready to learn the strange stories behind technology inventions you use every day. From the teenager who first imagined the television to a $900 smartphone named Simon, you’ll find out how we got the technological wonders that help us connect, create, and keep up.

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语言 英语 ● 格式 PDF ● ISBN 9781467716901 ● 出版者 Lerner Publishing Group ● 发布时间 2013 ● 下载 3 时 ● 货币 EUR ● ID 4756050 ● 复制保护 Adobe DRM
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