This important book makes a significant and unique contribution to the cause of technological literacy. It will be of great value to nonspecialists and general readers precisely because of its introduction of simple equations and formulas: these sharpen and focus the technical argument without obscuring it with vague language or, worse, jargon."--Henry Petroski, Duke University, author of "Success through Failure: The Paradox of Design""This book fills an important need for a work that straddles the literacy-numeracy divide. It is a useful historical synthesis of the technical foundations of the American experience in the twentieth century."--Robert Friedel, University of Maryland, author of "Zipper: An Exploration in Novelty