There are endless facts to learn about the technology we use every day, but once you've absorbed them, do you really know how your own gadgets work? They make our lives easier thanks to some incredible processes - and grasping them is the key to understanding technology. It's time to discover how a house can make its own power, how a touchscreen works and how GPS helps us find our way. Pore over the step-by-step infographic art and fascinating facts to uncover the dazzling truth behind technology - then try out the mind-bending challenges on each page! TOPICS: How a house can make its own power How a light bulb grows How a microwave cooks food How a refrigerator works How a robot cleans a room How TV is broadcast How a computer works How movies are streamed How a mobile phone makes a call How a touchscreen works How GPS finds your way How a 3D printer works The INFOGRAPHIC HOW IT WORKS series is an exploration of the processes that make the world (and the universe) go round, from the activity in tectonic plates to the enzymes that break down food in our bodies. Each process is clearly explained using amazing infographics and essential facts - plus an experiment or challenge for readers to try, so they can keep the discovery going. Perfect for readers aged 9 and up. Other titles in the INFOGRAPHIC HOW IT WORKS series: LIFE ON EARTH MACHINE AND MOTORS OUR PLANET OUR UNIVERSE YOUR BODY