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quantum computing

Abstractions blog

Quantum Supremacy Is Coming: Here’s What You Should Know

July 18, 2019

Researchers are getting close to building a quantum computer that can perform tasks a classical computer can’t. Here’s what the milestone will mean.

quantum information theory

How to Turn a Quantum Computer Into the Ultimate Randomness Generator

June 19, 2019

Pure, verifiable randomness is hard to come by. Two proposals show how to make quantum computers into randomness factories.

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Abstractions blog

A New Law to Describe Quantum Computing’s Rise?

June 18, 2019

Neven’s law states that quantum computers are improving at a “doubly exponential” rate. If it holds, quantum supremacy is around the corner.

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

Computer Scientists Expand the Frontier of Verifiable Knowledge

May 23, 2019

The universe of problems that a computer can check has grown. The researchers’ secret ingredient? Quantum entanglement.

Art for "A New Approach to Multiplication Opens the Door to Better Quantum Computers"
Abstractions blog

A New Approach to Multiplication Opens the Door to Better Quantum Computers

April 24, 2019

Quantum computers can’t selectively forget information. A new algorithm for multiplication shows a way around that problem.

quantum physics

Quantum Machine Appears to Defy Universe’s Push for Disorder

March 20, 2019

One of the first quantum simulators has produced a puzzling phenomenon: a row of atoms that repeatedly pops back into place.

Art for "How Space and Time Could Be a Quantum Error-Correcting Code"
space-time

How Space and Time Could Be a Quantum Error-Correcting Code

January 3, 2019

The same codes needed to thwart errors in quantum computers may also give the fabric of space-time its intrinsic robustness.

Art for "Milestone Experiment Proves Quantum Communication Really Is Faster"
quantum computing

Milestone Experiment Proves Quantum Communication Really Is Faster

December 19, 2018

In a Paris lab, researchers have shown for the first time that quantum methods of transmitting information are superior to classical ones.

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quantum computing

Graduate Student Solves Quantum Verification Problem

October 8, 2018

Urmila Mahadev spent eight years in graduate school solving one of the most basic questions in quantum computation: How do you know whether a quantum computer has done anything quantum at all?