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In this article we introduce our work in progress aiming at providing tools of temporal navigation within a Virtual Environments by applying them to the field of history of science and technology. The objective of our work is to allow a user to navigate through time according to two scales (procedure and period) in order to observe changes in human activities over time.

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HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.