July 2012 Book Reviews

book reviews

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Welding Journal - July 2012

A skilled welder determines the weld joint penetration from his/her observation of the weld pool surface during the welding process. This paper addresses the characterization of the 3D weld pool surface in gas tungsten arc welding (GTAW), i.e., extracting a set of characteristic parameters from the 3D weld pool surface to determine the backside bead width that measures the degree of weld joint ...

Contents Digest July 2012

Book Reviews Alan Law

Since its inaugural issue in the spring of 1977, each issue of Isaac Asimov's Science Fiction Magazine has contained a puzzle from Martin Gardner, dressed up as a brief science ction tale. This book collects the rst thirty-six. Most of them are mathematical, covering a variety of topics | numbers, geometry, games of strategy, combinatorics, simple logic | but a few involve word play and trivia ...

Book and Resource Reviews