Where the past meets the future
Particle physics is a field that spends an awful lot of time concentrating on the past and the future. That's not a criticism, just a reflection of the long-term nature of the science.
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.