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computer science

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artificial intelligence

Computer Scientists Prove Why Bigger Neural Networks Do Better

By Mordechai Rorvig
February 10, 2022
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Two researchers show that for neural networks to be able to remember better, they need far more parameters than previously thought.

quantum physics

Quantum Complexity Tamed by Machine Learning

By Charlie Wood
February 7, 2022
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If only scientists understood exactly how electrons act in molecules, they’d be able to predict the behavior of everything from experimental drugs to high-temperature superconductors. Following decades of physics-based insights, artificial intelligence systems are taking the next leap.

Photo of an array of metal tubes and glass pieces, with an orange laser cutting horizontally across
machine learning

Machine Learning Gets a Quantum Speedup

By Max G. Levy
February 4, 2022
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Two teams have shown how quantum approaches can solve problems faster than classical computers, bringing physics and computer science closer together.

neural networks

Researchers Build AI That Builds AI

By Anil Ananthaswamy
January 25, 2022
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By using hypernetworks, researchers can now preemptively fine-tune artificial neural networks, saving some of the time and expense of training.

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computational complexity

Computer Scientists Eliminate Pesky Quantum Computations

By Nick Thieme
January 19, 2022
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For years, intermediate measurements made it hard to quantify the complexity of quantum algorithms. New work establishes that those measurements aren’t necessary after all.

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information theory

Qubits Can Be as Safe as Bits, Researchers Show

By Mordechai Rorvig
January 6, 2022
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A new result shows that quantum information can theoretically be protected from errors just as well as classical information can.

2021 in Review

The Year in Math and Computer Science

By Bill Andrews
December 23, 2021
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Mathematicians and computer scientists answered major questions in topology, set theory and even physics, even as computers continued to grow more capable.

Illustration showing a human understanding text while a machine doesn’t.
Quantized Columns

What Does It Mean for AI to Understand?

By Melanie Mitchell
December 16, 2021
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It’s simple enough for AI to seem to comprehend data, but devising a true test of a machine’s knowledge has proved difficult.

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combinatorics

Mathematician Hurls Structure and Disorder Into Century-Old Problem

By Erica Klarreich
December 15, 2021
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A new paper shows how to create longer disordered strings than mathematicians had thought possible, proving that a well-known recent conjecture is “spectacularly wrong.”


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