This is the story of the International Bureau of Weights and Measures—from its origins in the 1860s until today. It highlightes the role of key individuals in the development of the institution and the path from artifact standards of the metre and the kilogram to units based on the fundamental constants of physics.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Spectroscopy, Diffraction and Tomography in Art and Heritage Science gives an overview of the main spectroscopy and diffraction techniques currently available for cultural heritage research. It starts with an introductory, general discussion of spectroscopy and diffraction and the kinds of information they can give. Further sections deal with, respectively, typical laboratory methods, mobile equipment, and large-scale instruments and infrastructural methods. The work concludes with comments on combining and comparing multiple techniques, sources of error, and limitations of the analytical methods. - Explains spectroscopy and diffraction techniques in detail, yet remains accessible to those without a chemistry or physics background - Provides explanations of commonly used terms, such as destructive, non-destructive, non-invasive, in-situ, and ex-situ, and their sometimes-misleading origins - Includes real-world examples that demonstrate how each technique is used in the field - Highlights the complementary use of different analytical techniques in fully interpreting the data

This book explores the contemporary legacy of Hiroshima and Nagasaki following the passage of three quarters of a century, and the role of art and activism in maintaining a critical perspective on the dangers of the nuclear age. It closely interrogates the political and cultural shifts that have accompanied the transition to a nuclearised world. Beginning with the contemporary socio-political and cultural interpretations of the impact and legacy of the destruction of Hiroshima and Nagasaki, the chapters examine the challenges posed by committed opponents in the cultural and activist fields to the ongoing development of nuclear weapons and the expanding industrial uses of nuclear power. It explores how the aphorism that "all art is political" is borne out in the close relation between art and activism. This multi-disciplinary approach to the socio-political and cultural exploration of nuclear energy in relation to Hiroshima/Nagasaki via the arts will be of interest to students and scholars of peace and conflict studies, social political and cultural studies, fine arts, and art and aesthetic studies.

This book is an introduction to the study of artefacts, setting them in a social context rather than using a purely scientific approach. Drawing on a range of different cultures and extensively illustrated, Archaeological Artefacts and Material Culture covers everything from recovery strategies and recording procedures to interpretation through typology, ethnography and experiment, and every type of material including wood, fibers, bones, hides and adhesives, stone, clay, and metals. With over seventy illustrations with almost fifty in full colour, this book not only provides the tools an archaeologist will need to interpret past societies from their artefacts, but also a keen appreciation of the beauty and tactility involved in working with these fascinating objects. This is a book no archaeologist should be without, but it will also appeal to anybody interested in the interaction between people and objects.

Atom probe microscopy enables the characterization of materials structure and chemistry in three dimensions with near-atomic resolution. This uniquely powerful technique has been subject to major instrumental advances over the last decade with the development of wide-field-of-view detectors and pulsed-laser-assisted evaporation that have significantly enhanced the instrument’s capabilities. The field is flourishing, and atom probe microscopy is being embraced as a mainstream characterization technique. This book covers all facets of atom probe microscopy—including field ion microscopy, field desorption microscopy and a strong emphasis on atom probe tomography. Atom Probe Microscopy is aimed at researchers of all experience levels. It will provide the beginner with the theoretical background and practical information necessary to investigate how materials work using atom probe microscopy techniques. This includes detailed explanations of the fundamentals and the instrumentation, contemporary specimen preparation techniques, experimental details, and an overview of the results that can be obtained. The book emphasizes processes for assessing data quality, and the proper implementation of advanced data mining algorithms. Those more experienced in the technique will benefit from the book as a single comprehensive source of indispensable reference information, tables and techniques. Both beginner and expert will value the way that Atom Probe Microscopy is set out in the context of materials science and engineering, and includes references to key recent research outcomes.