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entanglement

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2022 in Review

The Year in Computer Science

By Bill Andrews
December 21, 2022
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Computer scientists this year learned how to transmit perfect secrets, why transformers seem so good at everything, and how to improve on decades-old algorithms (with a little help from AI).

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.

cryptography

New Entanglement Results Hint at Better Quantum Codes

By Allison Parshall
October 24, 2022
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A team of physicists has entangled three photons over a considerable distance, which could lead to more powerful quantum cryptography.

three side-by-side photos of men (one a blond man in a black turtleneck, one a man with white hair and a beard, and one with brown hair and a graying mustache. overlaid on the images are magenta circles connected by dotted lines, suggesting the phenomenon of quantum entanglement.
Nobel Prize

Pioneering Quantum Physicists Win Nobel Prize in Physics

By Charlie Wood
October 4, 2022
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Alain Aspect, John Clauser and Anton Zeilinger have won the 2022 Nobel Prize in Physics for groundbreaking experiments with entangled particles.

Red particles with varying spins and some entanglement
computational complexity

Computer Science Proof Unveils Unexpected Form of Entanglement

By Mordechai Rorvig
July 18, 2022
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Three computer scientists have posted a proof of the NLTS conjecture, showing that systems of entangled particles can remain difficult to analyze even away from extremes.

cryptography

Cryptographers Achieve Perfect Secrecy With Imperfect Devices

By Mordechai Rorvig
February 25, 2022
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For the first time, experiments demonstrate the possibility of sharing secrets with perfect privacy — even when the devices used to share them cannot be trusted.

quantum gravity

One Lab’s Quest to Build Space-Time Out of Quantum Particles

By Adam Becker
September 7, 2021
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For over two decades, physicists have pondered how the fabric of space-time may emerge from some kind of quantum entanglement. In Monika Schleier-Smith’s lab at Stanford University, the thought experiment is becoming real.

Illustration of a black hole
Hidden Structure

The Most Famous Paradox in Physics Nears Its End

By George Musser
October 29, 2020
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In a landmark series of calculations, physicists have proved that black holes can shed information.

Animated illustration of a hand emerging from a black hole, while drawing the black hole by connecting dots flashing 0 and 1.
Quantized Columns

Spotting Quantum Black Holes in the Lab

By John Preskill
July 15, 2020
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Can we test speculations about how quantum physics affects black holes and the Big Bang?


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