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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.

Illustration of grid in space "Physicists To Follow On Twitter"

01/17/14

#FollowFriday: Physicists to follow on Twitter

Want more insight into the world of particle physics? In this series, symmetry recommends scientists to follow on Twitter.

01/14/14

Learn like a scientist

CERN’s ATLAS experiment helps inspire a high school physics teacher to give students a more authentic research experience.

This lensed galaxy was discovered by citizen scientists earlier this week through the Space Warps website

01/10/14

Citizen scientists discover hidden galaxies at record speed

The distant universe looks a little clearer, thanks to tens of thousands of citizen scientists who classified more than 6 million images over three days.

01/06/14

Physicists harness the power of probability

What do the stock market, weather models and the discovery of the Higgs boson all have in common? They all are deeply indebted to statistics.

12/20/13

Santa at nearly the speed of light

This time of year, children who know their physics may start to question if Santa could possibly be real. As symmetry pauses for the holidays, we offer this thought experiment to put their hearts at ease.

12/18/13

The value of fundamental research

The winners and finalists of this year’s $3 million Fundamental Physics Prize convened to discuss strategies for elevating the public’s awareness and knowledge of theoretical physics.

Illustration of dark matter, visible matter, dark neutron, WIMP, dark electrons, neutrino, axion, grintino

12/17/13

Four things you might not know about dark matter

How much do you really know about dark matter? Symmetry looks at one of the biggest remaining mysteries in particle physics.

A NOvA near detector block in its new home 350 feet underground

12/12/13

Neutrino detector block

A close look at the assembly of the NOvA near detector reveals a massive yet meticulous process.

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