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computer science

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Illustration of thumbs flipping coins.
information theory

How Shannon Entropy Imposes Fundamental Limits on Communication

By Kevin Hartnett
September 6, 2022
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What’s a message, really? Claude Shannon recognized that the elemental ingredient is surprise.

Anima Anandkumar in a red dress holds a green cloth over her head
Q&A

The AI Researcher Giving Her Field Its Bitter Medicine

By Max G. Levy
August 30, 2022
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Anima Anandkumar wants computer scientists to move beyond the matrix, among other challenges.

cryptography

‘Post-Quantum’ Cryptography Scheme Is Cracked on a Laptop

By Jordana Cepelewicz
August 24, 2022
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Two researchers have broken an encryption protocol that many saw as a promising defense against the power of quantum computing.

a metallic face processes a butterfly on a robotic hand
artificial intelligence

Self-Taught AI Shows Similarities to How the Brain Works

By Anil Ananthaswamy
August 11, 2022
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Self-supervised learning allows a neural network to figure out for itself what matters. The process might be what makes our own brains so successful.

A man in a blue suit walking down the stairs outdoors.
Q&A

The Computer Scientist Challenging AI to Learn Better

By Allison Whitten
August 2, 2022
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Christopher Kanan is building algorithms that can continuously learn over time — the way we do.

Red particles with varying spins and some entanglement
computational complexity

Computer Science Proof Unveils Unexpected Form of Entanglement

By Mordechai Rorvig
July 18, 2022
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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.

An orange machine casts search lights over a purple landscape.
quantum computing

Quantum Algorithms Conquer a New Kind of Problem

By Mordechai Rorvig
July 11, 2022
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Computer scientists have found a new type of problem that quantum computers can solve dramatically faster than their classical counterparts.

Mark Braverman, in an orange shirt, stands on a path lined with trees.
2022 Fields and Abacus Medals

The Scientist Who Developed a New Way to Understand Communication

By Stephen Ornes
July 5, 2022
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Mark Braverman has spent his career translating thorny problems into the language of information complexity.

Computers doing mathematics.
The Joy of Why

Can Computers Be Mathematicians?

By Steven Strogatz
June 29, 2022
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Artificial intelligence has bested humans at problem-solving challenges like chess and Go. Is mathematics research next? Steven Strogatz speaks with mathematician Kevin Buzzard to learn about the effort to translate math into language that computers understand.


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