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Quantum physics

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Physicists Use Quantum Mechanics to Pull Energy out of Nothing

February 22, 2023

The quantum energy teleportation protocol was proposed in 2008 and largely ignored. Now two independent experiments have shown that it works.

How Our Reality May Be a Sum of All Possible Realities

February 6, 2023

Richard Feynman’s path integral is both a powerful prediction machine and a philosophy about how the world is. But physicists are still struggling to figure out how to use it, and what it means.

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

January 27, 2023

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.

The Year in Computer Science

December 21, 2022

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).

Physicists Create a Holographic Wormhole Using a Quantum Computer

November 30, 2022

The unprecedented experiment explores the possibility that space-time somehow emerges from quantum information.

New Entanglement Results Hint at Better Quantum Codes

October 24, 2022

A team of physicists has entangled three photons over a considerable distance, which could lead to more powerful quantum cryptography.

Experiments Spell Doom for Decades-Old Explanation of Quantum Weirdness

October 20, 2022

Physical-collapse theories have long offered a natural solution to the central mystery of the quantum world. But a series of increasingly precise experiments are making them untenable.

Inside the Proton, the ‘Most Complicated Thing You Could Possibly Imagine’

October 19, 2022

The positively charged particle at the heart of the atom is an object of unspeakable complexity, one that changes its appearance depending on how it is probed.

Pioneering Quantum Physicists Win Nobel Prize in Physics

October 4, 2022

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

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