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Relive 2021 at CERN with this video showing the major milestones of the year. Enjoy!

December 31, 2021

From #computing to #CERNImpact and more, relive the most exciting moments of #2021 at #CERN. #2021inReview

December 31, 2021

#ThrowbackThursday to a celebration at CERN in 1982.⠀ ⠀ These five scientists are not toasting the end of the year, but a Super Proton Synchrotron (SPS) milestone. Indeed, Erwin Gabathuler, Research Director at the time (second from left in the picture), had promised a crate of champagne if the maximum proton–antiproton collision luminosity achieved during initial SPS operations in 1981 could be increased tenfold in the 1982 run. ⠀ ⠀ As you can see, the objective was achieved. Luminosity has since been boosted considerably and more champagne has appeared from time to time…

December 31, 2021

Rediscover some of our best #2021 posts in this special #PhotoOfTheWeek as we approach the end of 2021! 🥰 Let’s jump on this occasion to thank all the amazing CERN #photographers who never miss a chance to show us the beauty of CERN! 📸 #BestOf2021 #2021inReview

December 30, 2021

In #2021, results from CERN’s diverse experimental programme impressed us again. Which #physics result surprised you the most this year? #2021inReview

December 30, 2021

In the underground experimental caverns of the #LHC, teams have been busy with #LS2 upgrades. Let’s look at the #2021 milestones. #2021inReview

December 29, 2021

After two years of accelerator upgrades, find out what happened to #CERN accelerators in #2021 in the first of our highlights videos. #2021inReview

December 28, 2021

Season's greetings! 🎊 From all of us at CERN: we wish you very happy holidays 😚 As you can see, the LHC is set to festive mode and some of us already received gifts. What is your favourite end-of-year tradition? 📸 by Julien Ordan and Samuel Hertzog

December 26, 2021

#ThrowbackThursday #TBT to a cold and snowy winter at CERN in 1964.⠀ ⠀ Talking of the cold, #DidYouKnow that the Large Hadron Collider #LHC is colder than outer space, with the largest cryogenic system in the world? The average temperature of outer space is 2.7 Kelvin (-270.5°C) whereas the LHC's main magnets are almost 1.9 Kelvin (-271.3°C)!🥶

December 24, 2021

🤖🤖 #DidYouKnow that #robots and #AI technologies were deployed to help as guardians of the tunnel at CERN? Experts used artificial intelligence devices native to CERN, like the CERNbot and the TIM #robot, to inspect underground tunnels during the Long Shutdown 2 #UpgradingLHC

December 23, 2021

Ho-ho-ho: a surprising guest arrived in the #LHC 🎉 We love to welcome visitors at CERN, but this #PhotoOfTheWeek definitely shows the most original visitor of the year! As you can see, Santa left a few gifts in the tunnel: what would be your ideal physics-related gift? Give us a few ideas, it might help those of us who are a bit late in their end-of-year shopping… 📸 by Julien Ordan and Samuel Hertzog

December 23, 2021

Guess what this is ✨ The festive season is right around the corner, but these twinkling lights are not a mere holiday decoration: they are lights of one of the 11 000 servers of the CERN Data Centre. More than 90% of the computing resources in the Data Centre are provided through a private cloud based on OpenStack, an open-source project to deliver a massively scalable cloud operating system. 🎬 by Anastasiia Lazuka and Anaïs Gerard

December 18, 2021