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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.


Bitcoin and Ethereum Have a Hidden Power Structure, and It's Just Been Revealed
From ACM News

Bitcoin and Ethereum Have a Hidden Power Structure, and It's Just Been Revealed

In cryptocurrency circles, calling something "centralized" is an insult.

New NASA Cassini Image of Saturn Moon Has a Surprise
From ACM News

New NASA Cassini Image of Saturn Moon Has a Surprise

Usually, the postcards stop after a journey ends, but not so for robotic adventurer Cassini, whose epic journey exploring Saturn and its neighbors finished in September...

Quantum Technology Forgoes Unconditional Security to Extend its Reach
From Communications of the ACM

Quantum Technology Forgoes Unconditional Security to Extend its Reach

Two projects in China demonstrate the possibility of global quantum key distribution networks.

Going Serverless
From Communications of the ACM

Going Serverless

Serverless computing lets businesses and application developers focus on the program they need to run, without worrying about the machine on which it runs, or the...

Facebook Says Social Media Isn't Always Healthy for Democracy
From ACM News

Facebook Says Social Media Isn't Always Healthy for Democracy


China's Quantum-Key Network, the Largest Ever, Is Officially Online
From ACM News

China's Quantum-Key Network, the Largest Ever, Is Officially Online

China has the quantum technology to perfectly encrypt useful signals over distances far vaster than anyone has ever accomplished, spanning Europe and Asia, according...

Security Fears Spark Crackdown on Chinese Tech
From ACM News

Security Fears Spark Crackdown on Chinese Tech

The federal government is taking steps to reduce the presence of some Chinese technology firms in American markets.

Thank the Planet's Shifty Magnetic Poles for Runway Renaming
From ACM News

Thank the Planet's Shifty Magnetic Poles for Runway Renaming

For decades, pilots heading into or out of Wichita Eisenhower National Airport in southeast Kansas have had three runways to choose from: 1L/19R, 1R/19L, and 14...

China Declared World's Largest Producer of Scientific Articles
From ACM Careers

China Declared World's Largest Producer of Scientific Articles

For the first time, China has overtaken the United States in terms of the total number of science publications, according to statistics compiled by the US National...

Can Software Predict Crime? Maybe So, but No Better Than a Human
From ACM News

Can Software Predict Crime? Maybe So, but No Better Than a Human

Can you predict a crime?

A New Way to Track Down Bugs Could Help Save IoT
From ACM News

A New Way to Track Down Bugs Could Help Save IoT

On a clear day this summer, security researcher Ang Cui boarded a boat headed to a government biosafety facility off the northeastern tip of Long Island.

Artificial Intelligence Will Be a Human Jobs Creator
From ACM Careers

Artificial Intelligence Will Be a Human Jobs Creator

In 2013, James "Jimi" Crawford founded a company called Orbital Insight, barely noticed at the time amid the Silicon Valley froth.

NASA Just Proved It Can Navigate Space Using Pulsars. Where to Now?
From ACM News

NASA Just Proved It Can Navigate Space Using Pulsars. Where to Now?

Half a century ago, astronomers observed their first pulsar: a dead, distant, ludicrously dense star that emitted pulses of radiation with remarkable regularity...

How a 22-Year-Old Discovered the Worst Chip Flaws in History
From ACM Careers

How a 22-Year-Old Discovered the Worst Chip Flaws in History

In 2013, a teenager named Jann Horn attended a reception in Berlin hosted by Chancellor Angela Merkel. He and 64 other young Germans had done well in a government...

Big Bets on A.I. Open a New Frontier for Chip Start-Ups, Too
From ACM Careers

Big Bets on A.I. Open a New Frontier for Chip Start-Ups, Too

For years, tech industry financiers showed little interest in start-up companies that made computer chips.

The James Webb Space Telescope Has Emerged from the Freezer
From ACM News

The James Webb Space Telescope Has Emerged from the Freezer

After spending three months at a temperature of just 20 degrees Celsius above absolute zero, the massive James Webb Space Telescope emerged from a large vacuum...

GeoCarb: A New View of Carbon Over the Americas
From ACM News

GeoCarb: A New View of Carbon Over the Americas

A new NASA Earth science mission in the early stages of design may achieve a transformational advance in our understanding of the global carbon cycle by mapping...

Big Brother on Wheels: Why Your Car Company May Know More about You than Your Spouse. 
From ACM News

Big Brother on Wheels: Why Your Car Company May Know More about You than Your Spouse. 

Daniel Dunn was about to sign a lease for a Honda Fit last year when a detail buried in the lengthy agreement caught his eye.

How to See a Memory
From ACM News

How to See a Memory

For someone who's not a Sherlock superfan, cognitive neuroscientist Janice Chen knows the BBC's hit detective drama better than most.

NASA Test Proves Pulsars Can Function as a Celestial GPS 
From ACM News

NASA Test Proves Pulsars Can Function as a Celestial GPS 

From its perch aboard the International Space Station, a NASA experiment has shown how future missions might navigate their way through deep space.
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