Macaulay, David

Text and numerous detailed illustrations introduce and explain the scientific principles and workings of hundreds of machines. Includes new material about digital technology.

The Islanders uncover the principles involved the the process of buoyancy as they use a raft to make a rescue.

While creating a submarine, the inhabitants of Mammoth Island discover that it is density that determines whether an object sinks, not weight or mass.

Explores the design and building technology of ancient Rome, along with the political and economic significance of Roman city construction throughout the empire.

Describes the planning and construction of a typical castle and adjoining town in thirteenth-century Wales.

Shows how the Romans planned and constructed their cities for the people who lived within them and used these cities to link their vast empire into a commercial and political unit. Live-action segments visit historical sites and reveal how these structures were built and used. Animated segments tell the story of the construction and conflicts of a fictional Roman city in the newly conquered territory of Gaul.

A visual exploration of the inner workings of the human body that uses close-ups, cross-sections, and perspectives to look at the different body systems and how they function.

Text and numerous detailed illustrations introduce and explain the scientific principles and workings of hundreds of machines. Includes new material about digital technology.

Introduces readers to the nature and structure of the eye and the process through which the eye and the brain work together to create vision.