The tunnelling machine used to excavate the tunnel for the Super-Proton-Synchrotron (SPS) accelerator at CERN,the European particle physics laboratory outside Geneva,in 1975. The accelerator,beneath French & Swiss farmland,forms a ring 7 km in circumference. In the 1980s,it was modified to operate as a collider,with protons travelling in one direction,antiprotons in the opposite direction | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Cern |
Taille de l’image : | 4895 px × 3606 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
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