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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.s. Networks and Power Grid nder (mock) Cyber-Attack
Unknown hackers have taken out U.S. cellphone networks in an ongoing cyber-attack that will soon knock out parts of the nation's electricity grid – say the officials...
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Do-It-Yourself Genetic Engineering
It all started with a brawny, tattooed building contractor with a passion for exotic animals. He was taking biology classes at City College of San Francisco, a...
From ACM TechNews
Ntu Launches One of the World's Greenest Supercomputers
Nanyang Technological University (NTU) researchers recently launched the High Performance Computing (HPC) Centre, which features sustainability features such as...
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Stanford Finds Cheating
Allegations of cheating at Stanford University have more than doubled in the past decade, with the largest number of violations involving computer science students...
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Computer Simulations Can Be as Effective as Direct Observation in Teaching Science
Students can learn some science concepts just as well from computers simulations as they do from direct observation, new research suggests.
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Pcs Around the World Unite To Map the Milky Way
Tens of thousands of volunteers from Africa to Australia are donating the computing power of their home computers to help computer scientists and astronomers at...
From ACM TechNews
Organic Crystals Promise Low-Power Green Computing
Researchers at Japan's National Institute of Advanced Industrial Science and Technology have discovered ferroelectric behavior in crystalline croconic acid, which...
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Feds Push For Tracking Cell Phones
Two years ago, when the FBI was stymied by a band of armed robbers known as the "Scarecrow Bandits" that had robbed more than 20 Texas banks, it came up with aconvicted...
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Ibm's Jeopardy-Playing Machine Now Beats Human Contestants
IBM's Jeopardy-playing supercomputer is now capable of beating human Jeopardy contestants on a regular basis, but has a ways to go before it takes on the likes...
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Wi-Fi at the Speed of Light
A wireless network that uses reflected infrared light instead of radio waves has transmitted data through the air at a speed of one gigabit per second—six to 14...
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Google Set to Showcase Fast Internet
Google said Wednesday that it would offer ultrahigh-speed Internet access in some communities in a test that could showcase the kinds of things that would be possible...
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Wipro to Offer 100 Percent Recyclable, Toxin-Free Computers
Information technology services corporation Wipro Infotech has claimed to be the first Indian company to build a 100 percent recyclable and toxin-free computer,...
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Hacker 'mudge' Gets DARPA Job
Peiter Zatko--a respected hacker known as "Mudge"--has been tapped to be a program manager at DARPA, where he will be in charge of funding research designed toDARPA...
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A 50-Watt Cellular Network
An Indian telecom company is deploying simple cell phone base stations that need as little as 50 watts of solar-provided power. It will soon announce plans to sell...
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Old-Style Computers Get New Life in Developing Countries
Hanuman, a divine being in Hindu mythology, is well on his way to becoming a video game hero. It's all part of a project called PlayPower, co-founded by Carnegie...
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An Engineer's Quest to Caption the Web
The Internet used to be a place where Ken Harrenstien could do anything. The Google engineer, who has been deaf since childhood, loved the Web because he could...
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Cisco Predicts Wireless Data Explosion
If wireless operators thought they'd faced a deluge of data traffic from the iPhone, they haven't seen anything yet, according to a survey from network equipment...
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Smart Dust Could Give Early Warning of Space Storms
A SWARM of "smart dust" spacecraft, positioned at a sweet spot between the Earth and the sun, could alert us to the approach of dangerous space storms well before...
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Getting a Grip on Online Buzz
Big-name companies increasingly recognize the importance of discussions about their products on social media sites such as Facebook and Twitter. But keeping track...
From ACM TechNews