How Things Work: Then and Now av National Geographic Kids, T.J. Resler

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Travel back in time and into the not-so-distant future to dissect, explore, and discover how all kinds of things do what they do! Along the way, you''ll learn why candy floss is so fluffy, how scientists built a spacesuit for Mars, and what goes into animating your favorite cartoons.Look inside, take it apart, turn it over and figure out how things work! Quippy descriptions, full-color diagrams, and brilliant photographs make even the most intimidating subjects totally fun! (We''re looking at you, space robots.) For every explanation, we touch on basic principles and then dive deeper. (Just want to know what terraforming is? We''ve got you covered. Want to know how to terraform, say, Mars? We''ll explain that, too.)But this book isn''t just for explaining things. We''ll also introduce you to the dreamers, scientists, and innovators who create this stuff. You''ll meet a NASA engineer, an underwater archaeologist, and a chocolate scientist. You''ll learn what it''s like to fly a plane in