Textbook in PDF format This book is a sequel to a previous compilation of "Cutting Edge" columns published by the authors in the magazine of the Society of Tribologists and Lubrication Engineers. While the first book covered the first decade of the columns, the present book covers the second, and final, decade. The aim of both books was to describe recent developments in tribology in a witty and readable way, to allow those working on applications to keep abreast with the latest news and discoveries, while at the same time allowing students and more advanced practitioners to keep up with advances in tribology — or to just read for fun. As well as highlighting tribological developments at "the cutting edge" of tribology, the work includes tributes to recently departed eminent tribologists and prognoses on future directions in tribology. It also discusses significant scientific competitions, such as the "Contact Mechanics Challenge," as well as occasionally polemicizing. While each chapter stands alone and is eminently readable, the relevant literature is also included for those wanting to delve more deeply