3.5K views · 389 reactions | Take a sneak peek 106 meters underground at CERN as we show you how the cavern of the largest particle detector ATLAS Experiment at CERN looks like 朗 Read more about ATLAS's first observation of WWW production: https://home.cern/news/news/physics/atlas-reports-first-observation-www-production  by Anais Gerard | CERN | Facebook

Discover the methods and precision instruments used by CERN surveyors in the service of a 27 km giant. Dive with Philippe, a member of the Accelerators, Survey and Geodesy section, into the heart of the sub-millimetre alignment of a radiofrequency cavity in the LHC. | CERN