Evolving Technology

Today it seems that computers occupy every single space in life. This book traces the evolution of computers from the humble beginnings as simple calculators up to the modern day jack-of-all trades devices like the iPhone. Readers will learn about how computers evolved from humongous military-issue refrigerators to the spiffy, delicate, and intriguing devices that many modern people feel they can't live without anymore. Readers will also discover the historical significance of computers, and their pivotal roles in World War II, the Space Race, and the emergence of modern Western powers.

From the earliest wheeled carts and dugout canoes to self-driving cars, transportation technology has made it possible for people and their belongings to travel far across land and sea. Readers will explore the major shifts in transportation technology and how they relate to broader shifts in different countries, and they will learn of disparities between groups with varying levels of access to resources. Spanning from early developments of the wheel to steam power to the modern age of planes and cars, this book looks toward the future to even greater transit possibilities.

This book chronicles how since the Neolithic era of the Stone Age, agricultural tools evolved from pointed digging sticks to electron microscopes. Weeds evolved into wheat, carrots, and more as humans selected and designed foods. People farmed sustainably since the last Ice Age with fire and fish traps, and more recently, agriculture has evolved to produce more for a growing worldwide population. Learning about problems from the past and the future that agricultural technology is meant to solve will help readers understand how applying critical thinking can change the world.

Modern medicine was no accident, except when it was. The history of medical innovation, which spans centuries, is filled with killer diseases, scientific inquiry, accidental discoveries, and brilliant machines. Readers will embark on a journey across time from Ancient Egypt to the twenty-first century, and learn about the creative mistakes and ingenious solutions physicians, scientists, and regular people devised to explore and heal the human body. As we prepare for the Next Generation Science Standards to enter our schools, curious minds will enjoy delving into the history of medical innovation.

War has at some point touched every nation. Beginning with ancient history and following through to the present, this book addresses the question of why war exists, and explains the shapes in which it occurs. It will lead young readers on a journey through time by tracing weapons from the earliest stones and clubs to modern technological military warfare. Along with the evolution of weaponry through the ages, it also goes into the development of protective gear, transportation, communication, and military strategies.