Since 2003, a LHC dipole magnet turned into a telescope has been following the Sun's movements from behind a concrete wall. This is the CAST experiment - hunting for hypothetical "axion" particles that could be produced in the centre of our star ☀️ Find out more about this experiment: https://home.cern/science/experiments/cast | CERN

#2019inreview Relive the physics and experiments highlights of the year. | CERN

The ATLAS Experiment at CERN has recently finalised the upgrading of one of the experiment’s sub-detectors, called the Small Muon Wheel (in spite of its 10m size, which is nothing but small!). In this teaser, announcing a live event featuring the detector, the new Small Muon Wheel is seen at the LHC surface hall, being finalised before being lowered 100 metres underground. Find out more: https://home.cern/news/news/cern/live-atlas-experiment | CERN