Machines : technology is all around you!
Explore a world full of natural forces and innovation, from the first tools used in the Stone Age to the machines of the future. Watch machines in space, observe robot doctors, and meet the innovators and scientists who invented the machines that have improved our lives. Readers can also carry out experiments at home. With easy-to-understand text written by Jenny Jacoby, fun callouts, and lots of colorful artworks, photos, and diagrams, readers c...
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