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ALICE with one door open

Curiouser and curiouser: a riddle at the ALICE detector

12/09/25
Sarah Charley

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.

09/01/08

The LHC express

As passengers boarded the train in a Berlin suburb, researchers from the Large Hadron Collider greeted them: “Imagine you are a proton and this train is the LHC tunnel. You will travel 37 km, slightly more than the 27 km it takes the protons to circle the LHC tunnel.”

Logbook of August 2008
08/01/08

Z boson

In May 1983, physicists on the UA1 detector for the Super Proton Synchrotron accelerator at CERN made the first definitive observations of the Z boson.

08/01/08

All aboard

Jason Steffen waited to board a plane in the Seattle airport. He waited to get his boarding pass scanned. Then he walked a few steps down the jet way, and waited some more. His frustration grew.

08/01/08

Bonnie and the ArgoNeuTs

Inspired by heroes of Greek mythology, physicists are on a quest to find a cheaper, more efficient way to capture neutrinos—one of the strangest and most fascinating particles in the universe.

08/01/08

A bumper crop of physics plates

In our October/November issue, we asked readers to share stories and photographs of physics-related license plates. Here are the responses.

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