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black holes

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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.

cosmology

Shadows in the Big Bang Afterglow Reveal Invisible Cosmic Structures

By Zack Savitsky
March 13, 2023
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Cosmologists are using secondary signatures from the cosmic microwave background to map the universe’s hidden matter.

An illustration representing an eye at the center of a black hole, observing a quantum particle outside the black hole.
quantum gravity

Black Holes Will Eventually Destroy All Quantum States, Researchers Argue

By Thomas Lewton
March 7, 2023
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New calculations suggest that the event horizons around black holes will ‘decohere’ quantum possibilities — even those that are far away.

Fanciful illustration of galaxies with various geometric shapes at their centers.
mathematical physics

Mathematicians Find an Infinity of Possible Black Hole Shapes

By Steve Nadis
January 24, 2023
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In three-dimensional space, the surface of a black hole must be a sphere. But a new result shows that in higher dimensions, an infinite number of configurations are possible.

A panoramic image of the cosmos shows hundreds of galaxies, including four blobs of light that are magnified and labeled with their corresponding redshifts.
astrophysics

Standard Model of Cosmology Survives a Telescope’s Findings

By Rebecca Boyle
January 20, 2023
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Reports that the James Webb Space Telescope killed the reigning cosmological model turn out to have been exaggerated. But astronomers still have much to learn from distant galaxies glimpsed by Webb.

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?

quantum gravity

Physicists Create a Holographic Wormhole Using a Quantum Computer

By Natalie Wolchover
November 30, 2022
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The unprecedented experiment explores the possibility that space-time somehow emerges from quantum information.

A bright purple splotch surrounded by concentric purple rings.
astrophysics

Brightest-Ever Space Explosion Reveals Hints of Dark Matter

By Jonathan O'Callaghan
October 26, 2022
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A recent gamma-ray burst known as the BOAT — “brightest of all time” — appears to have produced a high-energy particle that shouldn’t exist. For some, dark matter provides the explanation.

quantum gravity

Black Hole's Orbiting Ring of Light Could Encrypt Its Inner Secrets

By Thomas Lewton
September 8, 2022
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Physicists have discovered that the ring of photons orbiting a black hole exhibits a special kind of symmetry, hinting at a deeper meaning.


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