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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Fearing Hackers Who Leave No Trace
The crown jewels of Google, Cisco Systems or any other technology company are the millions of lines of programming instructions, known as source code, that make...
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Now, Electronics That Obey Hand Gestures
The technology industry is going retro — moving away from remote controls, mice and joysticks to something that arrives without batteries, wires or a user manual...
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At Argonne Lab, a Shift From Radioactivity to Supercomputers
Argonne National Laboratory is phasing out its use of radioactive materials in favor of supercomputers for the purpose of conducting research. "The past was the...
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Are Doctors Ready for Virtual Visits?
For over a decade now, health care experts have been promoting telemedicine, or the use of satellite technology, video conferencing and data transfer through phones...
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Google Applies to Become Power Marketer
Google is stepping up its forays into the energy world. The Internet search company, which consumes vast amounts of electricity to run the computers in its data...
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Despite Risks, Internet Creeps Onto Car Dashboards
LAS VEGAS — To the dismay of safety advocates already worried about driver distraction, automakers and high-tech companies have found a new place to put sophisticated...
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Obama to Name Chief of Cybersecurity
Nearly seven months after highlighting the vulnerability of banking, energy and communications systems to Internet attacks, the White House on Tuesday is expected...
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A Deluge of Data Shapes a New Era in Computing
In a speech given just a few weeks before he was lost at sea off the California coast in January 2007, Jim Gray, a database software pioneer and a Microsoft researcher...
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Optimism as Artificial Intelligence Pioneers Reunite
An optimistic outlook has returned to the field of artificial intelligence (AI) 45 years after the pronouncement by computer scientist John McCarthy that a thinking...
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Open Source as a Model For Business Is Elusive
SAN FRANCISCO — In many ways, MySQL embodies the ideals of the populist software movement known as open source, in which a program’s creator releases it to the...
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A Translator Tool With a Human Touch
Nearly 100 IBM researchers are working on n.Fluent, a project to create an automatic translation tool that is fast and accurate enough to be used in instant-messaging...
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Shared Supercomputing and Everyday Research
Recent advancements in supercomputer design coupled with falling prices are breaking down the barriers that have traditionally surrounded computing-intensive research...
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Google Offers Peek at Operating System, a Potential Challenge to Windows
MOUNTAIN VIEW, Calif. — Google began lifting the veil on its planned Chrome operating system on Thursday, but it said that computers powered by the software would...
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Supercomputers Are Still Fast, but Less Super
A decade-long trend reached its inevitable conclusion this week when a supercomputer based on chips from Advanced Micro Devices became the fastest machine on the...
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Training to Climb an Everest of Digital Data
It is a rare criticism of elite American university students that they do not think big enough. But that is exactly the complaint from some of the largest technology...
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.s. Begins Antitrust Inquiry of I.b.m.
The Justice Department has started a preliminary investigation into whether I.B.M. has abused its monopoly position in the market for mainframe computers, which...
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Nobel Awarded For Advances in Harnessing Light
The mastery of light through technology was the theme of this year’s Nobel Prize in Physics as the Royal Swedish Academy of Sciences honored breakthroughs in fiber...
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Netflix Awards $1 Million Prize and Starts a New Contest
Netflix, the movie rental company, has decided its million-dollar-prize competition was such a good investment that it is planning another one. The company’srecommendation...
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After the Transistor, a Leap Into the Microcosm
Gaze into the electron microscope display in Frances Ross’s laboratory here and it is possible to persuade yourself that Dr. Ross, a 21st-century materials scientist...
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