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artificial intelligence

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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.

Video that zooms out from a close-up of a few simulated galaxies to a panoramic view of many different cube-shaped universes.
astrophysics

Any Single Galaxy Reveals the Composition of an Entire Universe

By Charlie Wood
January 20, 2022
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In computer simulations of possible universes, researchers have discovered that a neural network can infer the amount of matter in a whole universe by studying just one of its galaxies.

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.

artificial intelligence

AI Researchers Fight Noise by Turning to Biology

By Allison Whitten
December 7, 2021
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Tiny amounts of artificial noise can fool neural networks, but not humans. Some researchers are looking to neuroscience for a fix.

Illustration of a figure working on a laptop surrounded by flasks and liquids evaporating into discrete shapes in the air.
Quantized Columns

The Uselessness of Useful Knowledge

By Robbert Dijkgraaf
October 20, 2021
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Today’s powerful but little-understood artificial intelligence breakthroughs echo past examples of unexpected scientific progress.

an artistic representation of a brain in a dish on a blue table with enlarged neurons and a neural network, against a red background with a signal of neural bursts
neural networks

Neuron Bursts Can Mimic Famous AI Learning Strategy

By Allison Whitten
October 18, 2021
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A new model of learning centers on bursts of neural activity that act as teaching signals — approximating backpropagation, the algorithm behind learning in AI.

neural networks

A New Link to an Old Model Could Crack the Mystery of Deep Learning

By Anil Ananthaswamy
October 11, 2021
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To help them explain the shocking success of deep neural networks, researchers are turning to older but better-understood models of machine learning.


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