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01/08/19

Dark Energy Survey completes six-year mission

Scientists have only just begun to study the remarkably detailed map they created of a portion of the sky.

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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.

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

Positron

A positron is the electron’s antimatter counterpart.

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

Masters of improv

World-class detective Angus MacGyver of the hit 1980s television show MacGyver could jury-rig almost anything with duct tape and a pocket knife.

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

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.

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.

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