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quantum computing

Diagram showing blocks of different sizes colliding, along with different vectors
Abstractions blog

How Pi Connects Colliding Blocks to a Quantum Search Algorithm

By Grant Sanderson
January 21, 2020
Read Later

A curious physicist has discovered an unexpected link between theoretical block collisions and a famed quantum search algorithm.

Art for "Quanta’s Year in Math and Computer Science (2019)"
2019 in Review

The Year in Math and Computer Science

By Bill Andrews
December 23, 2019
Read Later

Mathematicians and computer scientists made big progress in number theory, graph theory, machine learning and quantum computing, even as they reexamined our fundamental understanding of mathematics and neural networks.

Photos of Google’s quantum computer system on the left, IMB’s supercomputer Summit on the right.
Abstractions blog

Google and IBM Clash Over Milestone Quantum Computing Experiment

By Kevin Hartnett
October 23, 2019
Read Later

Today Google announced that it achieved “quantum supremacy.” Its chief quantum computing rival, IBM, said it hasn’t. The disagreement hinges on what the term really means.

Quantized Columns

Why I Called It ‘Quantum Supremacy’

By John Preskill
October 2, 2019
Read Later

Researchers finally seem to have a quantum computer that can outperform a classical computer. But what does that really mean?

Stephanie Wehner in a red suit standing in a glass-paneled corridor at Delft University of Technology in the Netherlands. Her reflection appears in the glass to the right and left.
Q&A

To Invent a Quantum Internet

By Natalie Wolchover
September 25, 2019
Read Later

Fifty years after the current internet was born, the physicist and computer scientist Stephanie Wehner is planning and designing the next internet — a quantum one.

Abstractions blog

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

By Kevin Hartnett
July 18, 2019
Read Later

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

By Anil Ananthaswamy
June 19, 2019
Read Later

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

Photo of a silver metal plate with chips mounted on its surface.
Abstractions blog

A New Law to Describe Quantum Computing’s Rise?

By Kevin Hartnett
June 18, 2019
Read Later

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

By Kevin Hartnett
May 23, 2019
Read Later

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


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