Uncover the mysteries of machines in this funny technology series How do fridges stay so... chilled? Can you 3D print a 3D printer? And how on Earth does air smash concrete? Find out the answers to these questions and much more in this book! With an engaging question and answer format, this series draws young readers into the fascinating world of technologyEach spread opens with a simple, quirky question, opening up an exploration of technology and busting some popular myths along the way! The lively lay-out is supported by annotated photos and cartoons, making technology fun and accessible for every young reader. Contents: What are machines? How can air smash concrete? How can light slice through steel? Why don''t towers topple over? How can a crane build itself? Why don''t microwaves escape from ovens? How can a gale power my console? How do machines see inside me? What''s the biggest digger? How does a mole build a tunnel big enough to drive a train through? Can you 3D print a 3