Communications of the ACM
A Healthy Dose of AI
Building artificial intelligence into medical devices can speed diagnoses and potentially improve treatments and outcomes.
From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Complexity Theory's 50-Year Journey to the Limits of Knowledge
How hard is it to prove that problems are hard to solve? Meta-complexity theorists have been asking questions like this for decades. A string of recent results...
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How Randomness Improves Algorithms
Unpredictability can help computer scientists solve otherwise intractable problems.
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Computer Science Proof Unveils Unexpected Form of Entanglement
Three computer scientists have solved the NLTS conjecture, proving that systems of entangled particles can remain difficult to analyze even away from extremes. ...
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Galactic Beacons Get Snuffed Out in a Cosmic Eyeblink
Stephanie LaMassa did a double take. She was staring at two images on her computer screen, both of the same object—except they looked nothing alike.
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Astronomers Creep p to the Edge of the Milky Way's Black Hole
For the first time, scientists have spotted something wobbling around the black hole at the core of our galaxy.
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'Quantum Atmospheres' May Reveal Secrets of Matter
Over the past several years, some materials have proved to be a playground for physicists.
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New AI Strategy Mimics How Brains Learn to Smell
Today's artificial intelligence systems, including the artificial neural networks broadly inspired by the neurons and connections of the nervous system, perform...
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The Last of the Universe's Ordinary Matter Has Been Found
Astronomers have finally found the last of the missing universe. It's been hiding since the mid-1990s, when researchers decided to inventory all the "ordinary" matter...
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The New Science of Seeing Around Corners
While vacationing on the coast of Spain in 2012, the computer vision scientist Antonio Torralba noticed stray shadows on the wall of his hotel room that didn't...
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niversal Method to Sort Complex Information Found
A multi-institution team of computer scientists has clarified the first general-purpose method of solving nearest neighbor question for complex data.
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A Poet of Computation Who ncovers Distant Truths
The theoretical computer scientist Constantinos Daskalakis has won the Rolf Nevanlinna Prize for explicating core questions in game theory and machine learning....
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Mathematicians Tame Turbulence in Flattened Fluids
Turbulence, the splintering of smooth streams of fluid into chaotic vortices, doesn't just make for bumpy plane rides. It also throws a wrench into the very mathematics...
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Finally, a Problem That Only Quantum Computers Will Ever Be Able to Solve
Early on in the study of quantum computers, computer scientists posed a question whose answer, they knew, would reveal something deep about the power of these futuristic...
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The niverse Is Not a Simulation, but We Can Now Simulate It
In the early 2000s, a small community of coder-cosmologists set out to simulate the 14-billion-year history of the universe on a supercomputer.
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Evidence Found for a New Fundamental Particle
Physicists are both thrilled and baffled by a new report from a neutrino experiment at Fermi National Accelerator Laboratory near Chicago.
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A New World's Extraordinary Orbit Points to Planet Nine
In early 2016, two planetary scientists declared that a ghost planet is hiding in the depths of the solar system, well beyond the orbit of Pluto.
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Machine Learning's 'Amazing' Ability to Predict Chaos
Half a century ago, the pioneers of chaos theory discovered that the "butterfly effect" makes long-term prediction impossible.
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The Era of Quantum Computing Is Here. Outlook: Cloudy
After decades of heavy slog with no promise of success, quantum computing is suddenly buzzing with almost feverish excitement and activity.
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Mathematicians Find Wrinkle in Famed Fluid Equations
The Navier-Stokes equations capture in a few succinct terms one of the most ubiquitous features of the physical world: the flow of fluids.
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