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Physics

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An illustration of a blue swirling galaxy inside an amillary sphere. A black hole appears in the center.
black holes

What Drives Galaxies? The Milky Way’s Black Hole May Be the Key.

By Thomas Lewton
August 23, 2022
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Supermassive black holes have come to the fore as engines of galactic evolution, but new observations of the Milky Way and its central hole don’t yet hang together.

A photo illustration of Jie Shan and Kin Fai Mak’s faces overlaid with hexagonal grids.
condensed matter physics

Physics Duo Finds Magic in Two Dimensions

By Charlie Wood
August 16, 2022
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In exploring a family of two-dimensional crystals, a husband-and-wife team is uncovering a potent variety of new electron behaviors.

Representations of fields becoming neutrons, doughnuts, pretzels, soccer balls and other objects.
The Joy of Why

What Is Quantum Field Theory and Why Is It Incomplete?

By Steven Strogatz
August 10, 2022
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Quantum field theory may be the most successful scientific theory of all time, but there’s reason to think it’s missing something. Steven Strogatz speaks with theoretical physicist David Tong about this enigmatic theory.

Video in which a white circle appears in the center of a blue starry field and grows until whiteness engulfs the whole image.
explainers

How the Physics of Nothing Underlies Everything

By Charlie Wood
August 9, 2022
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The key to understanding the origin and fate of the universe may be a more complete understanding of the vacuum.

An illustration with a black disc in the middle evoking a black hole.
mathematical physics

At Long Last, Mathematical Proof That Black Holes Are Stable

By Steve Nadis
August 4, 2022
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The solutions to Einstein’s equations that describe a spinning black hole won’t blow up, even when poked or prodded.

theoretical physics

Particle Physicists Puzzle Over a New Duality

By Katie McCormick
August 1, 2022
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A hidden link has been found between two seemingly unrelated particle collision outcomes. It’s the latest example of a mysterious web of mathematical connections between disparate theories of physics.

Image of a spiral galaxy strewn with ribbons of pink light.]
astronomy

Two Weeks In, the Webb Space Telescope Is Reshaping Astronomy

By Jonathan O'Callaghan
July 25, 2022
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In the days after the mega-telescope started delivering data, astronomers reported new discoveries about galaxies, stars, exoplanets and even Jupiter.

A woman in a white t-shirt is standing in front of a bush of orange roses, gazing to the side.
Q&A

The Astrophysicist Who Sculpts Stars Before They Are Born

By Zack Savitsky
July 20, 2022
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Nia Imara is working to understand the mysterious clouds of gas and dust that collapse into stars.

Illustration of a rotating object that warps the space-time fabric around itself, as seen by eyes located in different places
general relativity

Mass and Angular Momentum, Left Ambiguous by Einstein, Get Defined

By Steve Nadis
July 13, 2022
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Surprising as it may sound, 107 years after the introduction of general relativity, the meanings of basic concepts are still being worked out.


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