La Pierre, Yvette

"In science fiction, time machines let people travel backward in history and forward to the future. How could one of these time-traveling devices be created? Scientists have some ideas, which include using spaceships and black holes. Discover the science and technology behind what it would take to make a real-life time machine!"--Provided by publisher.

Explores the history of hydrogen energy, discussing the scientific concepts behind it, how it could serve to replace fossil fuels, and how it may be used in the future.

Today, people use 3D printers to build houses, airplane parts, food, and even living tissue. Inside 3D Printers introduces readers to the uses of 3D printers, the hardware and software that make 3D printers possible, and the future of 3D printing technology. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.

Explores how robots defuse bombs, including the features and types of robots.

An introduction to the construction of the Great Wall of China, discussing construction techniques, the dynasties that constructed it, and how the modern Chinese government is working to protect it for the future.

An introduction to the construction of the Colosseum in Rome.

Examines recent discoveries and DNA technology used in reevaluating archaeological evidence about Neandertals.

Introduces through text and photographs the land, history, government, people, and economy of Ghana.