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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.


From ACM TechNews

Survey Reveals Potential Innovation Gap in the U.s.

Young women in the U.S. represent an untapped group of potential inventors, according to the 2011 Lemelson-MIT Invention Index. The latest index shows that women...

Breaking Bottlenecks
From ACM News

Breaking Bottlenecks

A new algorithm enables much faster dissemination of information through self-organizing networks with a few scattered choke points.

Text-Based Video Navigation
From ACM TechNews

Text-Based Video Navigation

The MIT150 website, celebrating the Massachusetts Institute of Technology's 150th anniversary, offers a collection of video interviews that makes use of a new navigation...

The Power of 'convergence'
From ACM News

The Power of 'convergence'

In white paper, MIT scientists discuss potential for revolutionary advances in biomedicine and other fields.

The Surprising ­sefulness of Sloppy Arithmetic
From ACM News

The Surprising ­sefulness of Sloppy Arithmetic

A computer chip that performs imprecise calculations could process some types of data thousands of times more efficiently than existing chips.

Collective Memory
From ACM News

Collective Memory

An MIT project provides a way to preserve information in constantly changing networks, without resorting to a shared server.

MIT Expands and Strengthens its Links to China
From ACM News

MIT Expands and Strengthens its Links to China

MIT's connections to China, already well-established, are set to be strengthened and expanded as part of a major, long-term effort to promote intellectual and...

When the Playroom Is the Computer
From ACM News

When the Playroom Is the Computer

A block-shaped robot that seems to roll onto a computer screen is part of an educational-media system that gets kids out of their chairs.

How Wise Are Crowds?
From ACM News

How Wise Are Crowds?

By melding economics and engineering, researchers show that as social networks get larger, they usually get better at sorting fact from fiction.

Social Studies
From ACM News

Social Studies

In MIT's Human Dynamics Lab, Sandy Pentland uses cellphones and wearable sensors to research nonverbal signals, information flow, and the value of face-to-face...

Teaching Real-World Programming
From ACM News

Teaching Real-World Programming

In an innovative software-engineering class, students meet for regular "code reviews" with senior programmers from Boston-area companies.

Programming Crowds
From ACM News

Programming Crowds

With the Web, people worldwide can work on distributed tasks. But getting reliable results requires algorithms that specify workflow between people, not transistors...

Faster Websites, More Reliable Data
From ACM TechNews

Faster Websites, More Reliable Data

Massachusetts Institute of Technology researchers have developed TxCache, a database caching system that eliminates certain types of asymmetric data retrieval while...

From ACM News

Multicore May Not Be So Scary

Research suggests that the free operating system Linux will keep up with the addition of more "cores," or processing units, to computer chips.

From ACM TechNews

Cars as Traffic Sensors

Researchers working on MIT's CarTel project are studying how cars could be used as ubiquitous mobile sensors. The researchers developed an algorithm that optimizes...

First Improvement of Fundamental Algorithm in 10 Years
From ACM News

First Improvement of Fundamental Algorithm in 10 Years

The max-flow problem, which is ubiquitous in network analysis, scheduling, and logistics, can now be solved more efficiently than ever.

Disembodied Performance
From ACM TechNews

Disembodied Performance

Massachusetts Institute of Technology Media Lab professor Tod Machover has spent more than a decade inventing the technology for a new opera premiering in September...

Can You Find Me Now?
From ACM News

Can You Find Me Now?

By demonstrating fundamental limits on their accuracy, MIT researchers show how to improve wireless location-detection systems.

Sizing Samples
From ACM TechNews

Sizing Samples

Massachusetts Institute of Technology researchers led by graduate student Vincent Tan have taken an initial step to determine how much data is enough to support...

Sizing Samples
From ACM News

Sizing Samples

Many scientific disciplines use computers to infer patterns in data. But how much data is enough to ensure that the inferences are right?
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