Then and Now
Discover Secrets and Science Behind Medieval Machines, Jet Packs, Movie Magic, and Everything in BetweenBook - 2018
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 cotton candy is so fluffy, how scientists built a space suit for Mars, and what goes into animating your favorite cartoons.
Publisher: Washington, D.C. : National Geographic, 
Characteristics: 208 pages : illustrations (some color) ; 31 cm.