From Artefacts to Atoms: The BIPM and the Search for Ultimate Measurement StandardsOUP USA, 2012 - 408 pàgines The International Bureau of Weights and Measures (BIPM) is currently implementing the greatest change ever in the world's system of weights and measures — it is redefining the kilogram, the final artefact standard, and reorganizing the system of international units. This book tells the inside story of what led to these changes, from the events surrounding the founding of the BIPM in 1875 — a landmark in the history of international cooperation — to the present. It traces not only the evolution of the science, but also the story of the key individuals and events. The BIPM was the first international scientific laboratory. Founded in 1875 by the Metre Convention, its original tasks were to conserve the new international standards of the metre and the kilogram, to carry out calibrations for Member States and undertake research to advance measurement science. The book is based on the substantial archive of the BIPM which, from the very beginning, recounts the many discussions and arguments first as to whether and how such an institute should be created and in due course, how over the next one hundred and thirty years it should develop. Despite many national and personal rivalries, the institute actually created was admirably suited to its declared tasks. In the years and decades that followed, the scientific work of the small group of men who made up its first staff was of a very high order. One of the early Directors received the Nobel Prize for physics in 1920 for his discovery of invar. The international governing Board of the institute, the International Committee of Weights and Measures, has guided the institute from one charged with the conservation of the prototype artefacts to one now at the centre of world metrology and preparing for the redefinition of the last remaining artifact, the kilogram, in terms of a fixed value for one of the fundamental constants of physics, the Planck constant |
Continguts
1 The origins of the Metre Convention 1851 to 1869 | 3 |
2 The creation of the International Metre Commission 1869 | 26 |
meetings of 1872 and 1873 | 45 |
4 The casting of 1874 and the first of the new metre bars | 62 |
5 The Diplomatic Conference of the Metre 1875 | 74 |
6 The creation of the BIPM and the new metric prototypes take shape | 88 |
7 The first decade of scientific work at the BIPM 1879 to 1889 | 111 |
8 New Member States and the First General Conference on Weights and Measures 1889 | 133 |
13 The SI absolute electrical units and the ionizing radiation section | 240 |
Many decisions to be made | 263 |
15 The mole the speed of light and more about the Metre Convention | 290 |
16 New science at the BIPM and mutual recognition of national measurement standards | 311 |
17 The redefinition of the kilogram and the move towards the new SI | 341 |
The new SI and the future role of the BIPM | 368 |
Bibliography | 373 |
The Metre Convention | 387 |
9 Scientific work at the BIPM and the General Conferences of 1895 and 1901 | 148 |
10 The creation of the Grands Laboratoires | 173 |
11 The story of invar and the Convention of 1921 | 180 |
12 The Seventh and Eighth General Conferences 1927 and 1933 practical metrology and the Bureau during the Second World War | 208 |
Altres edicions - Mostra-ho tot
From Artefacts to Atoms: The BIPM and the Search for Ultimate Measurement ... Terry Quinn Previsualització limitada - 2011 |
From Artefacts to Atoms: The BIPM and the Search for Ultimate Measurement ... Terry Quinn Previsualització no disponible - 2012 |
Frases i termes més freqüents
absolute Académie des sciences adopted agreed alloy Archives Article asked atomic base units Benoît BIPM British Broch Bureau of Weights calibration carried CGPM Chappuis CIPM Committee for Weights comparisons Conservatoire Consultative Committee decided decision definition delegates Diplomatic Conference Director discussion dotation Duc Decazes electrical standards electrical units Fizeau Foerster France French government French Section Gauthier-Villars geodesy Guillaume Hirsch Ibaňez important included increase institutes International Bureau International Committee International Prototype Johnson Matthey kilogram later length mass meeting mercury-in-glass thermometers Metre Convention metric prototypes metric standards metric system metrology Morin national laboratories national prototypes national standards Observatory October organization Paris Paris Observatory Pavillon de Breteuil Pérard Permanent Committee physical platinum possible present President Procès-verbaux des séances proposed recommended reference Saint Petersburg scale temperature thermometers thermometry tion toise took place Tresca uncertainty vote watt balance wavelength Weights and Measures