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


Supercomputers: Battle of the Speed Machines
From ACM TechNews

Supercomputers: Battle of the Speed Machines

China is surging ahead of the United States in the race to build the world's fastest computers. 

Researchers Build an All-Optical Transistor
From ACM TechNews

Researchers Build an All-Optical Transistor

Researchers have created an optical switch that’s controlled by a single photon.

Science Team Outlines Goals for NASA's 2020 Mars Rover
From ACM News

Science Team Outlines Goals for NASA's 2020 Mars Rover

The rover NASA will send to Mars in 2020 should look for signs of past life, collect samples for possible future return to Earth, and demonstrate technology for...

Birmingham Amps Up Research With New Linux Supercomputer
From ACM TechNews

Birmingham Amps Up Research With New Linux Supercomputer

University of Birmingham researchers are ready to launch the second generation of Linux supercomputer BlueBEAR.

A Quantum Conundrum
From ACM News

A Quantum Conundrum

D-Wave has helped bring quantum computing into the spotlight, but critics continue to question the company's performance claims.

Computer Models Figure Out Sickle Cell Crisis
From ACM TechNews

Computer Models Figure Out Sickle Cell Crisis

Researchers have used computing models to show how different types of red blood cells interact to cause sickle cell crisis. 

Indiana ­niversity Launches Data Capacitor Ii
From ACM News

Indiana ­niversity Launches Data Capacitor Ii

Indiana University's new five-petabyte Data Capacitor "will accommodate our storage requirements for a while." 

Investors Buy Into Software-Defined Networks, Will Customers Follow?
From ACM News

Investors Buy Into Software-Defined Networks, Will Customers Follow?

As Superstorm Sandy bore down on the East coast last year, companies with data centers in its path needed another location fast. But moving computer servers is...

The Tao of Facebook: 'Social Graph' Takes New Path
From ACM TechNews

The Tao of Facebook: 'Social Graph' Takes New Path

Facebook has developed a system called The Association of Objects (TAO) that facilitates the balance between data stored in MySQL and more frequently accessed data...

The Internet of Things: Open Garden
From ACM News

The Internet of Things: Open Garden

When the Large Hadron Collider went online in 2009, most scientists saw it as an unprecedented opportunity to conduct experiments involving the building blocks...

Mozilla Lab Wants Scientists to Step Out of Analog Age
From ACM TechNews

Mozilla Lab Wants Scientists to Step Out of Analog Age

Mozilla is creating a science lab that will enable researchers to explore ways to make research faster, more agile, and collaborative. 

Privacy Paradox: Americans Happy to Share Personal Data With Big Business
From ACM News

Privacy Paradox: Americans Happy to Share Personal Data With Big Business

It's official: Americans may freak out when government collects their data to track terrorists, but they would happily have banks use it to catch some jerk trying...

Beyond Silicon: Transistors Without Semiconductors
From ACM TechNews

Beyond Silicon: Transistors Without Semiconductors

Although electronic devices continue to shrink, transistors based on semiconductors can only get so small. 

Keeping Computers Cool From the Inside
From Communications of the ACM

Keeping Computers Cool From the Inside

New techniques could cut the power required to avoid overheating.

A New Method that Is 700 Times Faster Than the Norm Is Developed to Magnify Digital Images
From ACM TechNews

A New Method that Is 700 Times Faster Than the Norm Is Developed to Magnify Digital Images

Researchers have developed an algorithm that can magnify images 700 times faster than conventional methods. 

Linux Continues to Rule Supercomputers
From ACM TechNews

Linux Continues to Rule Supercomputers

Linux continues to dominate the list of the world's fastest supercomputers and there is no reason to think that will change anytime soon. 

Don Knuth and the Art of Computer Programming: The Interview
From ACM News

Don Knuth and the Art of Computer Programming: The Interview

Fifty years after starting the 'Art of Computer Programming,' Don Knuth is still working hard at the project.

Web's Reach Binds N.s.a. and Silicon Valley Leaders
From ACM News

Web's Reach Binds N.s.a. and Silicon Valley Leaders

When Max Kelly, the chief security officer for Facebook, left the social media company in 2010, he did not go to Google, Twitter, or a similar Silicon Valley concern...

What the Digital Brains of the Future Might Be Like
From ACM Opinion

What the Digital Brains of the Future Might Be Like

It is the rare entrepreneur who hits it truly big twice. Those who do—such as Ev Williams, Ted Turner, and Elon Musk—tend to stay within the original industry that...

Slime Mold Could Make Memristors For Biocomputers
From ACM TechNews

Slime Mold Could Make Memristors For Biocomputers

Researchers say the feeding fronds of the slime Physarum polycephalum could be used to build exotic computers. 
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