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Quantum computing

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Computer Science Proof Unveils Unexpected Form of Entanglement

July 18, 2022

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.

Quantum Algorithms Conquer a New Kind of Problem

July 11, 2022

Computer scientists have found a new type of problem that quantum computers can solve dramatically faster than their classical counterparts.

Cryptographers Achieve Perfect Secrecy With Imperfect Devices

February 25, 2022

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.

Machine Learning Gets a Quantum Speedup

February 4, 2022

Two teams have shown how quantum approaches can solve problems faster than classical computers, bringing physics and computer science closer together.

Computer Scientists Eliminate Pesky Quantum Computations

January 19, 2022

For years, intermediate measurements made it hard to quantify the complexity of quantum algorithms. New work establishes that those measurements aren’t necessary after all.

Euler’s 243-Year-Old ‘Impossible’ Puzzle Gets a Quantum Solution

January 10, 2022

A surprising new solution to Leonhard Euler’s famous “36 officers puzzle” offers a novel way of encoding quantum information.

Qubits Can Be as Safe as Bits, Researchers Show

January 6, 2022

A new result shows that quantum information can theoretically be protected from errors just as well as classical information can.

The Year in Physics

December 22, 2021

Puzzling particles, quirky (and controversial) quantum computers, and one of the most ambitious science experiments in history marked the year’s milestones.

Quantum Simulators Create a Totally New Phase of Matter

December 2, 2021

One of the first goals of quantum computing has been to recreate bizarre quantum systems that can’t be studied in an ordinary computer. A dark-horse quantum simulator has now done just that.

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