Bøger af Mario Salvadori

"Readers will rejoice... in the physical discoveries, ancient and modern, that create and govern the artifacts inside of which readers spend most of their natural lives."-New York Times

From addition and subtraction to plane and space geometry, simultaneous linear equations, and probability, this book explains middle school math with problems that kids want to solve: ¿Seventy-five employees of a company buy a lotto ticket together and win $22.5 million. How much does each employee get?¿ Intriguing facts about the history of math show what a human creation it is, and human errors are revealed through explorations of both Maya and Hindu concepts of zero as well as Mr. William Shanks¿ 1858 attempt at hand-calculating pi.

"At last an inviting book on earthquakes, written by scientists whose easily understandable prose takes us on a tour not only of seismology but also of modern building technologies, volcanoes, and that California constant, the magnificent rubbing and pushing of tectonic plates beneath us." -San Francisco Chronicle Book Review