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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

No-show neutrino

The first results from the MiniBooNE neutrino experiment, released in April, showed no hints of a fourth neutrino. But they contained a puzzling signal that could lead to new physics.

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

Ben Laposky: Visual music

A boxy cathode-ray oscilloscope, covered with buttons and knobs and meters and lights, looks like something you know you shouldn'’t touch.

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

Traveling detector

For million-dollar components that travel thousands of miles to become part of a particle detector, the most perilous part of the trip might be airport security.

Photo of spectrometer moving through Karls
03/01/07

KATRIN’s odyssey

People went to great lengths, traveling almost 9000 kilometers over more than 60 days, to deliver an essential, 200-ton component of the KATRIN neutrino experiment.

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