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experimental physics

An illustration of calipers that look blurry
quantum physics

Physicists Pin Down How Quantum Uncertainty Sharpens Measurements

By Ben Brubaker
May 3, 2022
Read Later

Throwing out data seems to make measurements of distances and angles more precise. The reason why has been traced to Heisenberg’s uncertainty principle.

Illustration in which the particles of the Standard Model are arranged as sections of a circle, but the W boson is too big and doesn’t fit.]
particle physics

Newly Measured Particle Seems Heavy Enough to Break Known Physics

By Charlie Wood
April 7, 2022
Read Later

A new analysis of W bosons suggests these particles are significantly heavier than predicted by the Standard Model of particle physics.

Quantized Columns

Beyond the Second Law

By Nicole Yunger Halpern
March 31, 2022
Read Later

Thanks to the power of fluctuation relations, physicists are taking the second law of thermodynamics to settings once thought impossible.

A red laser beam enters a glass cube and splits in two; half of the beam continues straight ahead and the other half shoots out of the glass cube at a right angle.
particle physics

A New Tool for Finding Dark Matter Digs Up Nothing

By Thomas Lewton
March 21, 2022
Read Later

Physicists are devising clever new ways to exploit the extreme sensitivity of gravitational wave detectors like LIGO. But so far, they’ve seen no signs of exotica.

Four spheres representing a nucleus surrounded by two additional spheres.
atomic physics

An Antimatter Experiment Shows Surprises Near Absolute Zero

By Charlie Wood
March 16, 2022
Read Later

An experiment conducted on hybrid matter-antimatter atoms has defied researchers’ expectations.

particle physics

The Mysterious Forces Inside the Nucleus Grow a Little Less Strange

By Charlie Wood
February 14, 2022
Read Later

The strong force holds protons and neutrons together, but the theory behind it is largely inscrutable. Two new approaches show how it works.

Fluorescent purple liquid splashes.
fluid dynamics

An Injection of Chaos Solves Decades-Old Fluid Mystery

By Adam Mann
January 4, 2022
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In the 1960s, drillers noticed that certain fluids would firm up if they flowed too fast. Researchers have finally explained why.

Illustration of labyrinth with a large sphere representing the neutrino at center. People with flashlights explore the paths.
particle physics

Is the Great Neutrino Puzzle Pointing to Multiple Missing Particles?

By Thomas Lewton
October 28, 2021
Read Later

Years of conflicting neutrino measurements have led physicists to propose a “dark sector” of invisible particles — one that could simultaneously explain dark matter, the puzzling expansion of the universe, and other mysteries.

quantum physics

An Ultra-Precise Clock Links the Quantum World With Gravity

By Katie McCormick
October 25, 2021
Read Later

Time was found to flow differently between the top and bottom of a single cloud of atoms. Physicists hope that such a system will one day help them combine quantum mechanics and Einstein’s theory of gravity.


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