How does a toilet flush? Why do some toothbrushes sing? What does a laser beam detect on a DVD? Technology at Work looks at the machines and tools that make things work in our daily lives. From tiny microchips, to huge aeroplanes, this series look into the hidden world of everyday machinery and technology.
Louise Spilsbury is an experienced author of nonfiction books for young people. Her writing covers a wide range of topics from animals and science to history and social studies.
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- ID: 9781406209822
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