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Site d'origine du message: UneParJour - des photographes au quotidien Page d'origine du message: Destinataire: rédaction uneparjour et auteur de l'image Concerne la photographie: upj_nicolasdchauvet1450 
Science, Geneva, October 2016"It is a profound and necessary truth that the deep things in science are not found because they are useful: they are found because it was possible to find them" - J. Robert Oppenheimer |
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