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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 Let ­p on Speed
From ACM TechNews

Supercomputers Let ­p on Speed

Smarter rather than faster design appears to be coming into vogue as a gauge of a supercomputer's success. A federal report urges a more balanced portfolio of...

Ut Debuts Its Newest Supercomputer
From ACM TechNews

Ut Debuts Its Newest Supercomputer

The University of Texas at Austin, along with the Texas A&M University, Texas Tech, the University of Texas System, and others, has built the Lonestar 4 supercomputer...

­sing Adjacent Phone Antennas Could Improve Data Transfer
From ACM TechNews

­sing Adjacent Phone Antennas Could Improve Data Transfer

University of Bristol researchers are studying multiple-input multiple-output technology, which uses several antennas to transmit and receive data, in order to...

New Tool Makes Programs More Efficient Without Sacrificing Safety Functions
From ACM TechNews

New Tool Makes Programs More Efficient Without Sacrificing Safety Functions

North Carolina State University researchers have developed software that helps programs run more efficiently on multicore chips without sacrificing safety features...

From ACM News

New Protocol Turbocharges the Web

Over the past 15 years, Web-based applications have gradually replaced those based on other networking protocols for everything from personal communications to...

Silicene: It Could Be the New Graphene
From ACM TechNews

Silicene: It Could Be the New Graphene

Japanese researchers have created atom-thin sheets of silicon, called silicene, that resemble graphene and could have electronic applications.

In a Country Known For Robots, Their Chief Tasks Didn't Include Nuclear Safety
From ACM TechNews

In a Country Known For Robots, Their Chief Tasks Didn't Include Nuclear Safety

Japan's focus on building humanoid robots that perform tasks that humans can already do, instead of building robots that can go where humans cannot, has made it...

2010: The Year Apple Also Became a Chip Company
From ACM News

2010: The Year Apple Also Became a Chip Company

While changes in the ancient market-share rivalry between chipmakers Intel and Advanced Micro Devices were unremarkable in 2010, the emergence of Apple as a force...

The First Plastic Computer Processor
From ACM News

The First Plastic Computer Processor

Silicon may underpin the computers that surround us, but the rigid inflexibility of the semiconductor means it cannot reach everywhere. The first computer processor...

From ACM TechNews

Cloud@Home: Goals, Challenges, and Benefits of a Volunteer Cloud

University of Messina professors Salvatore Distefano and Antonio Puliafito suggest using cloud-based volunteer computing, known as Cloud@Home, to solve many ofView...

Tiny 3-D-Printed Insect Robots Take Flight
From ACM News

Tiny 3-D-Printed Insect Robots Take Flight

A team of roboticists at Cornell University have created tiny flying robotic insects using 3-D printing. The flapping wings of the hovering robotic insects (known...

The Drive Toward Hydrogen Vehicles Just Got Shorter
From ACM News

The Drive Toward Hydrogen Vehicles Just Got Shorter

Researchers at Los Alamos National Laboratory and the University of Alabama have revealed a new single-stage method for recharging the hydrogen storage compound...

From ACM TechNews

New Software Calculates Heating Costs in Greenhouse Operations

Jonathan Frantz, a U.S. Department of Agriculture researcher, and colleagues have developed Virtual Grower, software for calculating heating costs in greenhouse...

Terahertz Superchips Can Do It All
From ACM TechNews

Terahertz Superchips Can Do It All

Cornell University researchers have developed terahertz radiation microchips that could be used in a wide range of medical and scientific applications, including...

From ACM News

Https Is More Secure, So Why Isn't the Web Using It?

You wouldn't write your username and passwords on a postcard and mail it for the world to see, so why are you doing it online? Every time you log in to Twitter...

Browser Communication Boost Back on Track
From ACM News

Browser Communication Boost Back on Track

After a security problem derailed it last year, a technology to open a high-speed browser communications link is getting back on track again.

British Computer Scientists Reboot
From Communications of the ACM

British Computer Scientists Reboot

After a year of turmoil, computer scientists at King's College London have retained their jobs, but substantial challenges lie ahead.

Social Games, Virtual Goods
From Communications of the ACM

Social Games, Virtual Goods

The popularity of virtual goods and currencies in online gaming is changing how people think and act about money.

Engineering Sensation in Artificial Limbs
From Communications of the ACM

Engineering Sensation in Artificial Limbs

Advancements in mobile electronics have led to several prosthetics innovations in recent years, but providing reliable touch sensations to users remains an elusive...

The Quest For Randomness
From Communications of the ACM

The Quest For Randomness

It's not easy to generate a string of numbers that lack any pattern or rule, or even to define exactly what randomness means.
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