Introduces readers to the life, world, and incredible mind of Leonardo da Vinci through hands-on building projects that explore his invention ideas.

Ben Franklin invents swim fins.

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.

Explores the history and development of weaponry, the successes and failures that have led to the weapons of modern warfare that we know today. Each title in this exciting, high-interest series looks at a different area of technology and engineering and reveals the pioneering ideas and scientific thinking that enabled its development, as well as exposing those that proved to be a dead end. Each spread examines a particular example in depth, bringing...

Full of weird and wacky facts and retro-inspired illustrations, Amazing Inventions is the perfect, fun introduction to everything from robots to nanoscience. Prepare to laugh, marvel, and learn. ? Did you know that the ancient Egyptians may have used kites to help build their pyramids? That robots have a hard time learning karate? Or that Australian nanoscientists have manufactured a garment that you can clean by just holding it up to the light? Covering...

Publisher Annotation: In kitchens and living rooms, in garages and labs and basements, even in converted chicken coops, women and girls have invented ingenious innovations that have made our lives simpler and better. What inspired these girls, and just how did they turn their ideas into realities? Retaining reader-tested favorite inventions, this updated edition of the best-selling Girls Think of Everything features seven new chapters that better...