Communications of the ACM
Why the Simplex Method, at Age 75, is Still the Go-To Algorithm
Daniel A. Spielman and colleague Shang-hua Teng solved the mystery of the Simplex Method using a technique called smoothed analysis… 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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AI Goes to K Street: ChatGPT Turns Lobbyist
Automated influence campaigns could spell trouble for society.
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Roboticists Want to Give You a Third Arm
Unused bandwidth in neurons can be tapped to control extra limbs.
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Contactless ECG Continuously Monitors the Heart
Researchers in China have invented a contactless electrocardiogram system that infers electrical signals through artificial intelligence and millimeter-wave radar...
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New AI Speeds Computer Graphics by Up to 5x
Neural rendering harnesses machine learning to paint pixels.
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App Identifies Parkinson's, COVID-19 Based on User's Voice
Machine learning algorithms in a smartphone application analyze people's voices to identify those in the early stages of Parkinson's disease or severe COVID-19...
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The Webb Space Telescope's Profound Data Challenges
The James Webb Space Telescope's data-collecting operations present a number of challenges, including dependence on a reliable communications subsystem.
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Toe-Tapping Test for Parkinson's Patients
A new smart insole can evaluate a Parkinson's disease patient's risk of falling by tracking their foot movements as they tap their toes.
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New Transceiver Receives Power, Data Simultaneously
Researchers have developed a 64-element millimeter-wave-band phased-array transceiver that transmits and receives data while receiving power at the same time.
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Ukrainian Volunteers Use 3D Printers to Save Lives
During the war in Ukraine's first 16 days, volunteers used three-dimensional printers to produce 3,019 parts for 930 products for the country's armed forces.
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Robotic Rat Climbs, Crawls, Turns on a Dime
Qing Shi and colleagues at China's Beijing Institute of Technology built a rat-inspired robot that can squeeze through tight spaces, which could be used to assess...
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Med-Tech Eureka: The Body Is the Best Secure Data Channel
Harnessing the body's natural ions can enable secure, wireless low-power transmission of data from bio-implants.
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Physical Sensations in VR Go Hands-Free
A new virtual reality haptics system eliminates hand-based hardware by manipulating the forearm instead of the hand to generate physical sensations.
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To Catch a Falling Satellite
Researchers lean on NASA Astrobee robots to try to contain and stabilize out-of-control satellites.
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Algorithm That Mapped Omicron Shows Path Forward
The antigenic cartography algorithm, which can two-dimensionally map laboratory data on viral strains, has helped scientists keep up with genetic variants.
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Creating Text Out of Thin Air
Researchers at China's Zhejiang University have developed a smartwatch application in which users write text in mid-air with a finger, and the text is captured...
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Microsoft Predicts Weather for Individual Farms
Microsoft’s DeepMC framework uses machine learning and artificial intelligence to predict local weather.
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Smart Helmet Rapidly Assesses Stroke Patients
Uses EM waves to distinguish the size, position, and type of stroke
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Robot Could Operate Docking Station Inside the Gut
A new robotic insulin delivery system can be implanted surgically in the abdomen, and resupplied with insulin via swallowed magnetic capsules.
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Inexpensive 3D-Printed Microscope Can Spot Coronavirus in Blood
A three-dimensionally-printed microscope could detect COVID-19 in a drop of blood through the use of digital holographic microscopy and deep learning.
From ACM TechNews