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Illustration of a lady walking through a hedge maze, with a man sweeping up her footprints.
quantum computing

To Move Fast, Quantum Maze Solvers Must Forget the Past

By Ben Brubaker
July 20, 2023
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Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the cost of forgetting the path they took. A new result suggests that the trade-off may be inevitable.

algorithms

How to Build a Big Prime Number

By Stephen Ornes
July 13, 2023
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A new algorithm brings together the advantages of randomness and deterministic processes to reliably construct large prime numbers.

Ramsey theory

The Lawlessness of Large Numbers

By Leila Sloman
July 7, 2023
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Mathematicians can often figure out what happens as quantities grow infinitely large. What about when they are just a little big?

An observer times birds flying between an apple tree and an orange tree that look like graphs.
computational complexity

Computer Scientists Inch Closer to Major Algorithmic Goal

By Kevin Hartnett
June 23, 2023
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A new paper finds a faster method for determining when two mathematical groups are the same.

artificial intelligence

Neural Networks Need Data to Learn. Even If It’s Fake.

By Amos Zeeberg
June 16, 2023
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Real data can be hard to get, so researchers are turning to synthetic data to train their artificial intelligence systems.

A robot hand plucks a puzzle piece with a particle from a mostly empty puzzle.
neural networks

Sparse Networks Come to the Aid of Big Physics

By Steve Nadis
June 8, 2023
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A novel type of neural network is helping physicists with the daunting challenge of data analysis.

A cube full of colorful shapes is connected to a smaller cube stuffed with the same shapes.
information theory

Data Compression Drives the Internet. Here’s How It Works.

By Elliot Lichtman
May 31, 2023
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One student’s desire to get out of a final exam led to the ubiquitous algorithm that shrinks data without sacrificing information.

machine learning

Some Neural Networks Learn Language Like Humans

By Steve Nadis
May 22, 2023
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Researchers uncover striking parallels in the ways that humans and machine learning models acquire language skills.

information theory

Secret Messages Can Hide in AI-Generated Media

By Stephen Ornes
May 18, 2023
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In steganography, an ordinary message masks the presence of a secret communication. Humans can never do it perfectly, but a new study shows it’s possible for machines.


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