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Computer Science

Illustration of a pair of lungs being scanned in three dimensions, with a status bar that reads “Scanning lung tissue: 60%.”
artificial intelligence

An Idea From Physics Helps AI See in Higher Dimensions

January 9, 2020

The laws of physics stay the same no matter one’s perspective. Now this idea is allowing computers to detect features in curved and higher-dimensional space.

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

The Year in Math and Computer Science

December 23, 2019

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.

Q&A

The Architect of Modern Algorithms

November 20, 2019

Barbara Liskov pioneered the modern approach to writing code. She warns that the challenges facing computer science today can’t be overcome with good design alone.

Animation showing virtual players hiding and seeking in a digital arena
artificial intelligence

Playing Hide-and-Seek, Machines Invent New Tools

November 18, 2019

After millions of games, machine learning algorithms found creative solutions and unexpected new strategies that could transfer to the real world.

Illustration of robots evolving out of the mud.
artificial intelligence

Computers Evolve a New Path Toward Human Intelligence

November 6, 2019

By ignoring their goals, evolutionary algorithms have solved longstanding challenges in artificial intelligence.

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

October 23, 2019

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.

Illustration of cartoon characters working alongside a machine.
artificial intelligence

Machines Beat Humans on a Reading Test. But Do They Understand?

October 17, 2019

A tool known as BERT can now beat humans on advanced reading-comprehension tests. But it’s also revealed how far AI has to go.

Quantized Columns

Why I Called It ‘Quantum Supremacy’

October 2, 2019

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

September 25, 2019

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.