Having previously recorded that the LHC re-started on Crystal Day, April 5, 2012 after the winter shut-down, I now find that it also restarted on the same date in 2015 after having been shut down for 2 years for the … Continue reading →
The LHC is currently the world’s largest and most powerful particle accelerator. It is the main accelerator at CERN, and consists of an underground tunnel 27-kilometres long (shown here in yellow) containing superconducting magnets, cooling systems and other infrastructure surrounding … Continue reading →