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entanglement

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?

Animation showing toy-like depictions of computer science, quantum mechanics and pure math affecting each other.
computational complexity

Landmark Computer Science Proof Cascades Through Physics and Math

By Kevin Hartnett
March 4, 2020
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Computer scientists established a new boundary on computationally verifiable knowledge. In doing so, they solved major open problems in quantum mechanics and pure mathematics.

Illustration of black holes connected by a wormhole.
quantum information theory

Wormholes Reveal a Way to Manipulate Black Hole Information in the Lab

By Philip Ball
February 27, 2020
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A proposal for building wormhole-connected black holes offers a way to probe the paradoxes of quantum information.

quantum information theory

How to Turn a Quantum Computer Into the Ultimate Randomness Generator

By Anil Ananthaswamy
June 19, 2019
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Pure, verifiable randomness is hard to come by. Two proposals show how to make quantum computers into randomness factories.

Art for "Computer Scientists Expand the Frontier of Verifiable Knowledge"
quantum information theory

Computer Scientists Expand the Frontier of Verifiable Knowledge

By Kevin Hartnett
May 23, 2019
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The universe of problems that a computer can check has grown. The researchers’ secret ingredient? Quantum entanglement.

Art for "In Quantum Games, There’s No Way to Play the Odds"
Abstractions blog

In Quantum Games, There’s No Way to Play the Odds

By Kevin Hartnett
April 1, 2019
Read Later

These games combine quantum entanglement, infinity and impossible-to-calculate winning probabilities. But if researchers can crack them, they’ll reveal deep mathematical secrets.


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