The website at www.academie-sciences.fr is an on-line publication of the Académie des sciences, 23 quai de Conti – F-75006 Paris
Director for this publication: Catherine Bréchignac, Perpetual secretary of the Académie des Sciences
The website was designed and put on line by Natacha Oliveira, webmaster. Maintenance and updates are provided regularly by all services of the Academie. The latter endeavours to verify the factual content and the updating of information pit on line; the latter can be modified at any time. Possible errors or omissions may occur.
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Declaration to the National Supervisory Committee, CNIL
This site www.academie-sciences.fr was duly declared to the Commission nationale de l'informatique et des libertés and is registerd under the number: 733629.
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Users (Internauts) have a right by French law n° 78-17 du 6 janvier 1978 relative à l'informatique, aux fichiers et aux libertés [computer science, data files, human rights].
This right can be exercised by sending an e-mail to
or by the postal to
Académie des sciences
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The corporate responsibility of the Académie des sciences cannot be invoked in any manner whatsoever as a result of use or interpretation of information provided on the site.
Centre de calcul de l'Institut National de Physique Nucléaire et de Physique des Particules du CNRS
Domaine scientifique de la Doua
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Intellectual Property Rights
Contents, texts, video sequences, graphics, images and animations as used on the Academly's site, are all protected under intellectual property right.
Commercial reproduction of the information contained on this site, and whatever form, is illegal.
Photo Credits and attributions
Credits and attribution always accompany any photo placed on line by the Academy. Any copies, whther total or in part, cannot be taken without prior request made at the Academy or at the legal owner of the image.
The site may contain links to other partner (or third party) sites. The Academy does not have the means to check all such links, and cannot, for example, guarantee that theyu comply with currentr rules and regulations. This practice of providing lionks is authorised with the proviso that on one hand, they do not uphold policies or interests deemed contrary to thos of the Academy, and on the other that the user can readily identify the authors and origins of any given text.
We thank the CNRS, and especially the computer centre CC-IN2P3 and CCSD for their help.