This week the Large Hadron Collider at CERN has turned back on after 3 years of shutdown. Not only have the "old" detectors been significantly improved, there is also a mysterious box being installed 70m over the ATLAS detector.
— Martin Bauer (@martinmbauer) April 24, 2022
What is going on here? 1/17 🧵 pic.twitter.com/YUn5oEWE7J