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Communications of the ACM

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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.


Penn Engineering Research Gives Optical Switches the 'contrast' of Electronic Transistors
From ACM TechNews

Penn Engineering Research Gives Optical Switches the 'contrast' of Electronic Transistors

Researchers at the University of Pennsylvania say they have found a way to precisely control a combination of optical signals, producing outputs with a near-perfect...

Inside Amazon's Artificial Intelligence Flywheel
From ACM Careers

Inside Amazon's Artificial Intelligence Flywheel

In early 2014, Srikanth Thirumalai met with Amazon CEO Jeff Bezos.

Speed of Light Could Be Dropped to Zero Using Crystals
From ACM News

Speed of Light Could Be Dropped to Zero Using Crystals

In a vacuum like space, the speed of light is just over 186,280 miles per second. Scientists have now shown it's possible to slow it down to zero miles per second...

Ua Researchers Observe Electrons Zipping Around in Crystals
From ACM TechNews

Ua Researchers Observe Electrons Zipping Around in Crystals

Researchers at the University of Arizona are investigating transition metal dichalcogenides' potential for enabling new techniques for data processing and storage...

Facebook Is Trying to Teach Chatbots How to Chit-Chat
From ACM TechNews

Facebook Is Trying to Teach Chatbots How to Chit-Chat

Researchers at Facebook's FAIR lab have developed Persona-Chat, a dataset of more than 160,000 lines of dialogue taken from workers on Amazon's Mechanical Turk...

Ucf Researchers Lend a Hand on Additive Manufacturing
From ACM TechNews

Ucf Researchers Lend a Hand on Additive Manufacturing

The U.S. Army and the U.S. Office of Naval Research are working with University of Central Florida researchers to help push the limits of additive manufacturing...

Applying Machine Learning to the Universe's Mysteries
From ACM TechNews

Applying Machine Learning to the Universe's Mysteries

Berkeley Lab scientists and their collaborators used neural networks to analyze simulations of heavy ion collisions.

U.s. Leads but China Gains in Nsf 2018 S&e Indicators Report
From ACM TechNews

U.s. Leads but China Gains in Nsf 2018 S&e Indicators Report

The U.S. National Science Foundation's Science and Engineering Indicators 2018 report found the U.S. still leads in science and engineering worldwide, although...

Twitter Followers Vanish Amid Inquiries Into Fake Accounts
From ACM News

Twitter Followers Vanish Amid Inquiries Into Fake Accounts

More than a million followers have disappeared from the accounts of dozens of prominent Twitter users in recent days as the company faces growing criticism over...

Data Visualization Tools Drive Interactivity and Reproducibility in Online Publishing
From ACM News

Data Visualization Tools Drive Interactivity and Reproducibility in Online Publishing

As Benjamin Delory started his paper documenting a new way to quantify plant morphology, he realized that one of the figures could pose a problem.

Vista From Mars Rover Looks Back Over Journey So Far
From ACM News

Vista From Mars Rover Looks Back Over Journey So Far

A panoramic image that NASA's Curiosity Mars rover took from a mountainside ridge provides a sweeping vista of key sites visited since the rover's 2012 landing,...

Researchers at Cornell Release Paper on Cryptocurrencies
From ACM TechNews

Researchers at Cornell Release Paper on Cryptocurrencies

A new report challenges the idea that the world's two most popular cryptocurrencies provide decentralized financial systems.

The Next Big Breakthrough in Robotics
From ACM TechNews

The Next Big Breakthrough in Robotics

Northeastern University professor Robert Platt says advances in machine learning, big data, and robot perception have put the robotics field on the brink of a major...

Study Produces 3D Images That Float in 'thin Air'
From ACM TechNews

Study Produces 3D Images That Float in 'thin Air'

Researchers say they have developed a way to create a three-dimensional volumetric projection hat a viewer can walk around and see from every angle.

How Programmers Learn to Code
From ACM TechNews

How Programmers Learn to Code

Most coders' programming skills are self-taught, and more than a quarter of  surveyed developers wrote their first piece of code before they were 16 years old. ...

App to Increase Public Involvement in Protecting Rivers
From ACM TechNews

App to Increase Public Involvement in Protecting Rivers

Researchers are developing a mobile application that will monitor developments around rivers in order to maximize public participation in revivification.

Every Study We Could Find on What Automation Will Do to Jobs, in One Chart
From ACM Careers

Every Study We Could Find on What Automation Will Do to Jobs, in One Chart

You've seen the headlines: "Robots Will Destroy Our Jobs—and We're Not Ready for It." "You Will Lose Your Job to a Robot—and Sooner Than You Think." "Robots May...

A New Recipe For Hunting Alien Life
From ACM News

A New Recipe For Hunting Alien Life

Imagine stepping into a time machine, one that could traverse not only billions of years but also countless light years of space, all in search of life in the universe...

Blockchain Is This Year's Buzzword, But Can It Outlive the Hype?
From ACM News

Blockchain Is This Year's Buzzword, But Can It Outlive the Hype?

The speculation around cryptocurrencies has obscured the fact that blockchain, the decentralised, open-source ledger that drives bitcoin, could radically change...

Engineering School Attempts to Overcome 'memory Wall'
From ACM TechNews

Engineering School Attempts to Overcome 'memory Wall'

The University of Virginia's School of Engineering and Applied Science has received $27.5 million to launch the Center for Research in Intelligent Storage and Processing...
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