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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The Challenge of Molecular Communication
Research led by Ph.D. student Sachin Kadloor at the University of Illinois at Urbana-Champaign are investigating how much information can be exchanged via molecular...
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Nanoscale Random Number Circuit to Secure Future Chips
Intel engineers have created computer processors with circuits capable of random behavior, a development that could lead to secure cryptography keys.
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Barrier to Faster Integrated Circuits May Be Surmounted, Scientists Say
Integrated circuits are constantly being made smaller, faster, and cheaper, but circuit scaling is perpetually in danger of hitting a wall that must be maneuvered...
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Sony Says 535,000 Vaio Laptops at Risk of Overheating
More than half a million Sony Vaio F and C series laptops sold this year contain a software bug that could lead them to overheat, the company said. A bug in the...
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Beyond the Petaflop: DARPA Wants Quintillion-Speed Computers
DARPA announced an initiative to realize a quintillion calculations/second computer to "meet the relentlessly increasing demands for greater performance, higher...
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Japan to Build 2.4 Petaflop Supercomputer
The Tokyo Institute of Technology will build Japan's first 2.4-petaflop supercomputer, the TSUBAME 2.0, a world-class research tool for users in both the industrial...
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Computer Modeling to Build Better Mud Bricks
University of Illinois at Chicago assistant professor Craig Foster received a U.S. National Science Foundation grant to create computer models that analyze physical...
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In Faulty-Computer Suit, Window to Dell Decline
After the math department at the University of Texas noticed some of its Dell computers failing, Dell examined the machines. The company came up with an unusual...
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Lizard-Like Robot Can 'swim' Through Sand
Inspired by the sandfish lizard, researchers at the Georgia Institute of Technology are collaborating with Northwestern University's Paul Umbanhowar to develop...
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Broadband Availability to Expand
U.S. President Barack Obama on Monday (June 28) will sign a memorandum that makes 500 megahertz of wireless spectrum, currently controlled by the federal government...
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World First For Quantum Memory Storage
A new system developed by researchers at Australian National University uses quantum memory for light more efficiently than similar storage devices.
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Researchers Analyze the Future of Transistor-Less Magnonic Logic Circuits
The emerging field of magnonics is attracting researchers because of its possible role in the development of transistorless logic circuits, and researchers are...
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The Challenge of Molecular Communication
Bacteria communicate with molecules, and now computer scientists want to copy them. Their first task: to derive a mathematical theory of molecular communication...
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Hop, Jump and Stick
The behavioral laws of insects have the potential to give robots a greater complexity of movement without the need for high computational power, says the Ecole...
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How Wi-Fi Drains Your Cell Phone
A study finds problems, but also offers software fixes that could help cell phones last significantly longer between charges.
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Working Toward a Smarter, Faster Cloud
A proposed system would let cloud developers control the way their data travels across different machines.
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Beyond the Petaflop: DARPA Wants Quintillion-Speed Computers
Not known for taking the demure route, researchers at DARPA this week announced a program aimed at building computers that exceed current peta-scale computers to...
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Sleepserver Software Lets Enterprise Pcs Work While They Sleep
Personal computers in enterprise environments save energy and money by "sleep-working," thanks to new software called SleepServer created by computer scientists...
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Silicon Chips to Enter World of High Speed Optical Processing
University of Sydney physicists have developed an on-chip, all-optical temporal integrator on a complementary metal oxide semiconductor, a development that eventually...
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