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subjectPerformance And Reliability
authorThe Wall Street Journal

An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


China's Not-So-Super Computers
From ACM News

China's Not-So-Super Computers

The supercomputer in this southern boomtown is named Nebulae for the interstellar clouds of gas that give birth to stars.

Google Gives Search a Refresh
From ACM News

Google Gives Search a Refresh

Google Inc. is giving its tried-and-true Web-search formula a makeover as it tries to fix the shortcomings of today's technology and maintain its dominant market...

Hackers Arrested as One Turns Witness
From ACM News

Hackers Arrested as One Turns Witness

Federal prosecutors brought charges against a group of men allegedly behind "LulzSec"—a globe-spanning collective of computer hackers who wreaked havoc on companies...

Over-the-Air Tv Catches Second Wind, Aided By Web
From ACM News

Over-the-Air Tv Catches Second Wind, Aided By Web

It's cool to have rabbit ears again.

From ACM News

How to Tell If You're Being Tracked on Safari

If you're on an iPhone or iPad using the most recent version of Apple's operating system, click on the "Settings" icon, and then click on "Safari."

From ACM News

How Google Tracked Safari Users

Google and other advertising companies have been following iPhone and Apple users as they browse the Web, even though Apple's Safari Web browser is set to block...

From ACM News

Fast Phones, Dead Batteries

Days after buying his Samsung Electronics Co. Galaxy Nexus smartphone from Verizon Wireless, David Jacobs found himself switching off the fourth-generation broadband...

Beijing Launches Its Own Gps Rival
From ACM News

Beijing Launches Its Own Gps Rival

China has begun operating a homegrown satellite navigation service that is designed to provide an alternative to the U.S. Global Positioning System and, according...

From ACM News

Barcelona Center Makes Super Bet on Cellphone Chips

Supercomputers, once built from handcrafted circuitry, were transformed when companies started assembling them from inexpensive PC-style microprocessors. Researchers...

Poor Penmanship Spells Job Security For Post Office's Scribble Specialists
From ACM News

Poor Penmanship Spells Job Security For Post Office's Scribble Specialists

A man in Emden, Mo., recently mailed a letter that he had addressed, in a scribble, to somebody in "Shelhjreille, Mo." That's the way his handwriting made it...

The Best Error Pages on the Web
From ACM News

The Best Error Pages on the Web

Anyone who has spent enough time online has at one point reached a dead end–known in Internet parlance as a 404 page. So what causes them? Web designers are coming...

From ACM TechNews

IBM Claims Breakthrough in Laser-Based Chips

IBM recently announced a breakthrough in the development of silicon-based chips that send data using pulses of laser light. IBM says the research sets the stage...

From ACM News

One Goal: 10 Quadrillion Calculations

Installation has begun in Kobe, Japan, on a government-funded supercomputer project, aimed at giving Japan the world's fastest computer, the "K Computer," which...

Intel Makes Advance in Silicon-Based Lasers
From ACM TechNews

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...

From ACM News

Htc, Samsung Rebut Apple's Smartphone Claims

Asian handset makers HTC Corp. and Samsung Electronics Co. on Monday rebutted claims made by Apple Inc. that the iPhone 4's reception problems are shared by other...

Japan's Ipad Frenzy Signals a Sea Change
From ACM News

Japan's Ipad Frenzy Signals a Sea Change

The debut of Apple Inc.'s iPad tablet computer in Japan is generating a level of hype and excitement rarely seen these days for a new electronics product in the...

What ­tilities Have Learned From Smart-Meter Tests...
From ACM News

What ­tilities Have Learned From Smart-Meter Tests...

Utilities have learned a lot about how smart meters can compel consumers to save electricity. Unfortunately, too often they aren't putting the knowledge to good...

Insurgents Hack ­.s. Drones
From ACM News

Insurgents Hack ­.s. Drones

Militants in Iraq have used $26 off-the-shelf software to intercept live video feeds from U.S. Predator drones, potentially providing them with information they...

From ACM News

Squeezing Web Sites Onto Cellphones

When a group of engineers at National Instruments Corp. modified a 1988 Oldsmobile so it could be controlled by an iPhone, the company was quick to share the project...

Computer Failures Are Probed in Jet Crash
From ACM TechNews

Computer Failures Are Probed in Jet Crash

Aviation investigators looking for a cause of the crash of Air France Flight 447 believe that a rapid chain of computer and equipment failures may have stripped...
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