"Whether it's a beaver dam or the Hoover Dam, all dams rely on science to function properly. People first began damming rivers to stop flooding and provide water for irrigation. These early dams were made with simple techniques and technology. Today, dams are constructed to prevent flooding and to provide water for irrigation, hydroelectric power, and freshwater for large populations. Modern advances in dam technology would have never happened if...

"Civilizations have long used canals to move water, ships, cargo, and people from one location to another. The first canals were often trenches dug to bring water to crops. Some were dug to connect rivers or other bodies of water. Over the centuries, the techniques, technology, resources, and science used to construct canals has changed greatly. Today, canals all over the world help keep business booming and people moving. Readers will learn how engineers...

"What was the first message sent over the internet? How much water does a single person use every day? How was the electric light invented? For every utility people use each day, there's a hidden history below the surface - a story of intrigue, drama, humor, and inequity. This graphic novel provides a guided tour through the science of the past - and how the decisions people made while inventing and constructing early technology still affect the way...

A unique and exciting visual guide to the human body, with specially commissioned illustrations that make this amazing machine accessible and engaging for children.--

"The biography of Garrett A. Morgan, an African American entrepreneur and prolific inventor, whose bravery saved lives at the Cleveland Waterworks Disaster in 1916. Includes timeline and author's sources."--