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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.

04/01/07

Walkway to heaven

The Temple of Heaven, a masterpiece of architecture and landscape design in Beijing, symbolizes the relationship between Earth and heaven—human society and the universe—which stands at the heart of Chinese cosmology.

04/01/07

A quest for balance in Canada

Canadian subatomic physics has a lot going for it: sparkling new hardware, an influx of bright young minds, and key roles in international projects. But only by doubling its operating budget can it live up to that potential, a new report suggests.

04/01/07

Slippery science

Why is ice slippery? Alain Haché has two kinds of first-hand knowledge. A veteran amateur hockey goalie, he learned to skate outdoors on frozen ponds.

04/01/07

Small cogs drive a big machine

University scientists are the backbone of particle physics; like cogs in a complex machine, they deliver expertise, funding, and equipment exactly where needed. At Vanderbilt, they’re developing ways to handle a flood of data from the Large Hadron Collider.

Logbook of March 2007
03/01/07

Neutrino invention

Wolfgang Pauli postulated the existence of a neutral, light-weight particle that could save the fundamental law of the conservation of energy.

03/01/07

Expert “hackers” challenge students

Tim Rupp and Joe Klemencic, two of Fermilab’s computer security wizards, posed as the bad guys to offer a challenge in the Indiana state-wide college cyber defense competition held at Indiana Tech.

03/01/07

Accelerator at the fair

Science fair season is here, so we at symmetry were not surprised when 12-year-old Austin Ellsworth of Spring, Texas, called with a few questions about his science fair project.

03/01/07

Toward an international linear collider

Higgs Boson. Dark Matter. Dark Energy. Extra Dimensions. These are all buzz words that will make the heart of any particle physics enthusiast flutter.

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