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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.


Microsoft Develops Shape-Shifting Touchscreen
From ACM TechNews

Microsoft Develops Shape-Shifting Touchscreen

Microsoft has filed a patent application to add real texture to a tactile touchscreen. A layer of shape-memory plastic placed above a touchscreen would distort...

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...

Ibm Chips: Let There Be Light Signals
From ACM News

Ibm Chips: Let There Be Light Signals

IBM has achieved a major milestone in making the dream of silicon photonics, in which computer chips send signals of light rather than electricity, into reality...

Silicon-Germanium Devices Developed For Use in Space
From ACM News

Silicon-Germanium Devices Developed For Use in Space

A five-year project led by the Georgia Institute of Technology is using silicon germanium technology to develop space electronics, which could change how space...

From ACM News

Your Next Wallet Is Calling

"Contactless" hardware lets phones and gadgets pay with a tap, but the coming plethora of apps that use it may confuse users.

­c Breakthrough May Lead to Disposable E-Readers
From ACM TechNews

­c Breakthrough May Lead to Disposable E-Readers

University of Cincinnati researchers have developed a low-cost, paper-based, disposable e-reader. The researchers say the paper could be used as a flexible substrate...

War Machines: Recruiting Robots For Combat
From ACM News

War Machines: Recruiting Robots For Combat

War would be a lot safer, the Army says, if only more of it were fought by robots.

From ACM TechNews

Joint Project to Create a Processor the Size of a Molecule

The European Union will launch a project to build a single molecule processor chip. The Atomic Scale and Single Molecule Logic Gate Technologies project will establish...

Top Scientist ­rges 'ambitious' ­.s. Exascale Supercomputer Plan
From ACM TechNews

Top Scientist ­rges 'ambitious' ­.s. Exascale Supercomputer Plan

Peter Beckman, director of the DOE's Exascale Technology and Computing Institute, says the United States needs to make a sizable push to open up funding resources...

'nowhere to Hide': ­.s. Army Testing New 'smart' Weapons in Afghanistan
From ACM News

'nowhere to Hide': ­.s. Army Testing New 'smart' Weapons in Afghanistan

The XM-25 soon will see combat; precision rounds can be programmed to explode before impact.

New Device Could Give Boost to Renewable Energy
From ACM TechNews

New Device Could Give Boost to Renewable Energy

University of Texas at Dallas professor Babak Fahimi has developed a prototype electronic interface for routing renewable energy sources to the power grid and electrical...

Silicon's Long Good-Bye
From ACM News

Silicon's Long Good-Bye

Researchers make transistors out of a material that's better than silicon.

Cell-Phone Chips to the Rescue
From ACM News

Cell-Phone Chips to the Rescue

Data centers, under greater demand than ever, are looking to low-power chips as a way to save money, but switching won't be easy.

Accelerator Supercomputers Dominate Newest Green500 List's Top 10
From ACM News

Accelerator Supercomputers Dominate Newest Green500 List's Top 10

Accelerator-based supercomputers hold eight of the top 10 spots on the Green500 list. Green500 ranks the energy efficiency of the world's 500 fastest supercomputers...

Graph500 Rating System Evaluates Nine Supercomputer Capabilities
From ACM News

Graph500 Rating System Evaluates Nine Supercomputer Capabilities

Nine supercomputers have been tested, validated and ranked by the new "Graph500" challenge, introduced this week by an international team led by Sandia National...

Chips in Football Helmets to Monitor For Concussions
From ACM TechNews

Chips in Football Helmets to Monitor For Concussions

Intel researchers are working with football helmet manufacturers and several universities to develop technology that can monitor brain damage in real time and build...

From ACM News

­niversity Analysis Suggests Limiting Exposure to Carbon Nanotubes

UC Berkeley researcher Mark Philbrick says that carbon nanotubes pose potential adverse health effects to humans and should be treated as if they are hazardous....

From ACM News

Illinois Students Build 33-Teraflop Cluster From Gpus

Students at the University of Illinois have built a supercomputer out of GPUs as part of a hands-on class. They expect the cluster to be ranked on the Green500...

From ACM TechNews

Ice and a Slice Makes Transistors More Precise

Transistors can be built more precisely by using ice as a mask, according to researchers at Harvard University. The ice lithography process resembles how computer...

New Standard Proposed For Supercomputing
From ACM News

New Standard Proposed For Supercomputing

A new supercomputer rating system, Graph500, tests a supercomputer's ability to analyze large, graph-based structures that link the huge number of data points present...
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