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| Speaker: | Salvador Echeverria-Villagomez |
| Title: | Soft metrology. Reflections on the spectrum of metrology from universal constants to reference perspectives. |
| Topic Group: | Philosophy of Measurement |
| E-mail: | saleche@cenam.mx |
| Co-Authors: | Camen Marina Trejo-Morales |
| Abstract: |
The paper presents a set of reflections regarding soft metrology and its possible future. It is based on a view about the spectrum of metrology in the different fields of reality, that goes from physical entities, through chemical, biological and, finally, psicological. In the present state, the SI is defined in terms of the physical reality and its references are mainly in the fundamental physical constants. This achieves different objectives as objectivity, coherence and consistency, reducing subjectivity to the minimum. Now, when the metrological world is facing many of the challenges impossed by chemical and biological measurements, reference to the SI units became ever more difficult. The physical and chemical metrological communitties are striving to achieve a common ground, views, language and references. However, some aspects as traceability and the reference to SI units are difficult to achieve, but the question about its complete feaseability remains open, and many new concepts have to be taken into account. This situation is a challenge and also an opportunity for the metrological community, to enrich its field of work. What will happen or is happening with other fields of action that involve psicology or subjectivity, even in its simplest cases as human perception? A main reflection of the paper is about whether the different fields of physics, chemistry, biology and psicology can be measured with 'traceability' to physical constants, or whether these fields are codependent, but not reductible to one another. If that is the case, new references should be found for each field, based on the emergent properties, successively of chemistry, biology and psicology. |
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