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experimental physics

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A photo illustration showing a research station in Antarctica with a map plotting neutrinos’ arrival directions imprinted on the sky.
astrophysics

A New Map of the Universe, Painted With Cosmic Neutrinos

By Thomas Lewton
June 29, 2023
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Physicists finally know where at least some of these high-energy particles come from, which helps make the neutrinos useful for exploring fundamental physics.

An illustration of a ballooning helium nucleus, in three stages. The protons are orange, and the neutrons are red. In the first panel, the nucleus is compact. As it expands, the protons and neutrons move away from one another.
nuclear physics

A New Experiment Casts Doubt on the Leading Theory of the Nucleus

By Katie McCormick
June 12, 2023
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By measuring inflated helium nuclei, physicists have challenged our best understanding of the force that binds protons and neutrons.

A robot hand plucks a puzzle piece with a particle from a mostly empty puzzle.
neural networks

Sparse Networks Come to the Aid of Big Physics

By Steve Nadis
June 8, 2023
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A novel type of neural network is helping physicists with the daunting challenge of data analysis.

A glowing blue ball circumscribed by a compass.
quantum physics

The Electron Is So Round That It’s Ruling Out Potential New Particles

By Zack Savitsky
April 10, 2023
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If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles. A new measurement approaches perfection.

quantum gravity

Wormhole Experiment Called Into Question

By Charlie Wood
March 23, 2023
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Last fall, a team of physicists announced that they had teleported a qubit through a holographic wormhole in a quantum computer. Now another group suggests that’s not quite what happened.

A levitating puck of material.
superconductivity

Room-Temperature Superconductor Discovery Meets With Resistance

By Charlie Wood +1 authors
Zack Savitsky
March 8, 2023
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A paper in Nature reports the discovery of a superconductor that operates at room temperatures and near-room pressures. The claim has divided the research community.

A shining lightbulb with a cord that’s not plugged in.
quantum physics

Physicists Use Quantum Mechanics to Pull Energy out of Nothing

By Charlie Wood
February 22, 2023
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The quantum energy teleportation protocol was proposed in 2008 and largely ignored. Now two independent experiments have shown that it works.

Video/image of a metronome whose arm is simultaneously ticking rightward and leftward.
quantum physics

How Quantum Physicists ‘Flipped Time’ (and How They Didn’t)

By Charlie Wood
January 27, 2023
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Two teams have made photons act as if time were simultaneously flowing in two directions. The experiments demonstrate a way to potentially boost the performance of quantum devices.

A woman stands in a darkened laboratory next to a shallow tank of water that glows green.
Q&A

She Turns Fluids Into ‘Black Holes’ and ‘Inflating Universes’

By Thomas Lewton
December 12, 2022
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By using fluids to model inaccessible realms of the cosmos, Silke Weinfurtner is “looking for a deeper truth beyond one system.” But what can such experiments teach us?


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