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Computer Science

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neural networks

AI Reveals New Possibilities in Matrix Multiplication

By Ben Brubaker
November 23, 2022
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Inspired by the results of a game-playing neural network, mathematicians have been making unexpected advances on an age-old math problem.

Illustration of electrified brain embedded within a computer chip.
artificial intelligence

New Chip Expands the Possibilities for AI

By Allison Whitten
November 10, 2022
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An energy-efficient chip called NeuRRAM fixes an old design flaw to run large-scale AI algorithms on smaller devices, reaching the same accuracy as wasteful digital computers.

cryptography

New Entanglement Results Hint at Better Quantum Codes

By Allison Parshall
October 24, 2022
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A team of physicists has entangled three photons over a considerable distance, which could lead to more powerful quantum cryptography.

Harry Halpin in a T-shirt and sports coat outdoors
Q&A

The Computer Scientist Who’s Boosting Privacy on the Internet

By Steve Nadis
October 18, 2022
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Harry Halpin wants our internet conversations to be more private. He’s helped create a new kind of network that might make it possible.

cryptography

How Do You Prove a Secret?

By Sheon Han
October 11, 2022
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Zero-knowledge proofs allow researchers to prove their knowledge without divulging the knowledge itself.

Artwork of human figure smelling a flower and the smell being categorized as a type of flower.
smell

Machine Learning Highlights a Hidden Order in Scents

By Allison Parshall
October 10, 2022
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Efforts to build a better digital “nose” suggest that our perception of scents reflects both the structure of aromatic molecules and the metabolic processes that make them.

A video of a large chunk of ice breaking off of a glacier and crashing into the ocean.]
complex systems

Chaos Researchers Can Now Predict Perilous Points of No Return

By Ben Brubaker
September 15, 2022
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A custom-built machine learning algorithm can predict when a complex system is about to switch to a wildly different mode of behavior.

A transformer model is superimposed on a human brain with a red background
neural networks

How Transformers Seem to Mimic Parts of the Brain

By Stephen Ornes
September 12, 2022
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Neural networks originally designed for language processing turn out to be great models of how our brains understand places.

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.


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