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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Wax, Soap Clean p Obstacles to Better Batteries
A little wax and soap can help build electrodes for cheaper lithium ion batteries, according to a new study. The one-step method will allow battery developers to...
From ACM TechNews
Push-Button Logic on the Nanoscale
Scientists at the Georgia Institute of Technology have used zinc oxide in the form of a nanowire to create smaller and simpler logic circuits. Zinc oxide was used...
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Award-Winning Supercomputer Application Solves Superconductor Puzzle
Superconducting materials, which transmit power resistance-free, are found to perform optimally when high- and low-charge density varies on the nanoscale level...
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Web Plan Is Dividing Companies
In an emerging battle over regulating Internet access, companies are taking sides.
From ACM TechNews
Multi-Core With Virtualization, a Solution For Future Smart Phones
The Embedded Multi-Core Processing for Mobile Communications project has released an open source software platform designed to enable the efficient use of multi...
From ACM TechNews
Micromachines For a Safer World
Tel Aviv University researchers are working to make microelectromechanical systems (MEMS) even smaller, less expensive, and more sensitive by combining old-school...
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Speech Recognition Systems Must Get Smarter, Professor Says
University of Rochester professor James Allen says the key to making speech-recognition systems less frustrating to use is giving them a deeper understanding of...
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Better Displays Ahead
Researchers at the University of Cincinnati Nanoelectronics Laboratory are actively pursuing an alternative approach for low-power displays and have published an...
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Researchers Successfully Test Prototype Spintronic Device
Researchers have demonstrated the first plastic computer memory device that utilizes the spin of electrons to read and write data. So-called "spintronics" could...
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Star Wars Meets Ups as Robonaut Packed For Space
Getting into space isn't necessarily easy for astronauts, and it's not much easier for a robotic astronaut, either.
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Computing at the Speed of Light
Replacing metal wiring with fiber optics could change everything from supercomputers to laptops.
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Cell Phones and Wifi Set to Invade Nyc's Subways
After years of negotiations, a plan is afoot to wire New York City's subway platforms for both cellular and WiFi service, a move that may see service extend into...
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Silk Moves from Textiles to Technology
Synonymous with beauty, silk is a masterpiece of nature with amazing mechanical properties that support its use in a growing number of high-tech applications ranging...
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Ornl, Allinea Prep Debugging Tool For Petascale Supercomputers
A collaboration between ORNL and software toolmaker Allinea Software has produced a formidable weapon in the fight against software application bugs.
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Data World Record Falls as Computer Scientists Break Terabyte Sort Barrier
Computer scientists from the University of California, San Diego broke "the terabyte barrier"—and a world record—when they sorted more than one terabyte of data ...
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Intel Makes Advance in Silicon-Based Lasers
New technology from Intel could lead to the development of computers that use light beams to move data. Intel says it has built a prototype communications device...
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Italy to China in Driverless Vehicles
University of Parma researchers recently embarked on an 8,000-mile, three-month road trip from Italy to China to test the limits of driverless vehicles.
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Researcher Develops nderground Wireless Communication For Mines
Thanks to the work of Ryerson University researcher Xavier Fernando, countless miners' lives could be saved in the future with state-of-the-art technology that...
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Cheaper Substrates Made of Oxide Materials
Researchers at Taiwan's National Chiao Tung University have made a discovery that opens the door to building cheaper electronic components like diodes on a variety...
From ACM TechNews