This picture shows the accelerating … Posted on September 30, 2019 by mikee This picture shows the accelerating Radiofrequency cavities of the Super Proton Synchrotron (SPS), which were removed from the #LHC tunnel for upgrade work during the second long shutdown. Find out more: https://home.cern/news/news/accelerators/ls2-report-technological-leap-sps-acceleration …