Why was Earth bombarded with high-energy particles in the year 774?
Something strange happened in the year 774, sending a burst of high-energy particles into the Earth's atmosphere. But what was it?
In 2023, the ALICE experiment was ready for their best year yet, until a mysterious signal threatened everything. As the LHC wraps up its 2025 lead-ion run, physicists recall how they worked together to solve the puzzle.