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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.


How Traveling Back In Time Could Really, Physically Be Possible
From ACM News

How Traveling Back In Time Could Really, Physically Be Possible

It's one of the greatest tropes in movies, literature, and television shows: the idea that we could travel back in time to alter the past.

NASA Links Port-City Sea Levels to Regional Ice Melt
From ACM News

NASA Links Port-City Sea Levels to Regional Ice Melt

A new NASA tool links changes in sea level in 293 global port cities to specific regions of melting land ice, such as southern Greenland and the Antarctic Peninsula...

Armed With Tough Computer Chips, Scientists Are Ready to Return to the Hell of Venus
From ACM TechNews

Armed With Tough Computer Chips, Scientists Are Ready to Return to the Hell of Venus

Robot missions to Venus could become routine within the next decade by sending exploratory probes with highly durable computer chips that can handle the planet's...

Recurring Martian Streaks: Flowing Sand, Not Water?
From ACM News

Recurring Martian Streaks: Flowing Sand, Not Water?

Dark features on Mars previously considered evidence for subsurface flowing of water are interpreted by new research as granular flows, where grains of sand and...

How Disinformation and Distortions on Social Media Affected Elections Worldwide
From ACM News

How Disinformation and Distortions on Social Media Affected Elections Worldwide

Internet freedom is on the decline for the seventh consecutive year as governments around the world take to distorting information on social media in order to influence...

UCLA Engineers Use Deep Learning to Reconstruct Holograms and Improve Optical Microscopy
From ACM TechNews

UCLA Engineers Use Deep Learning to Reconstruct Holograms and Improve Optical Microscopy

Researchers have developed two new uses for machine learning--reconstructing a hologram to form a microscopic image of an object, and improving optical microscopy...

WPI Research Detects When Online Reviews and News Are a Paid-for Pack of Lies
From ACM TechNews

WPI Research Detects When Online Reviews and News Are a Paid-for Pack of Lies

New algorithms are designed to combat crowdturfing, in which masses of online workers are paid to post phony reviews, circulate malicious tweets, and spread fake...

As Silicon Valley Gets 'Crazy,' Midwest Beckons Tech Investors
From ACM Careers

As Silicon Valley Gets 'Crazy,' Midwest Beckons Tech Investors

They seem an odd couple. J. D. Vance, author of "Hillbilly Elegy," his best-selling memoir of growing up in the postindustrial Midwest and his journey of escape...

Exoplanet Hunters Rethink Search for Alien Life
From ACM News

Exoplanet Hunters Rethink Search for Alien Life

Steve Desch can see the future of exoplanet research, and it's not pretty.

New Software Can Pinpoint Hate Groups' Radicalization Sites
From ACM TechNews

New Software Can Pinpoint Hate Groups' Radicalization Sites

New software searches mainstream websites and the Dark Web to identify sites that contain terrorist ideologies that encourage people to cause harm.

Multiplayer Video Games: Researchers Discover Link Between Skill and Intelligence
From ACM TechNews

Multiplayer Video Games: Researchers Discover Link Between Skill and Intelligence

Researchers have found a connection between young people's ability to perform well at two popular video games, and high levels of intelligence.

First-of-Its-Kind Bioengineered Robotic Hand to Sense Touch
From ACM TechNews

First-of-Its-Kind Bioengineered Robotic Hand to Sense Touch

Researchers are developing a bioengineered robotic hand that will grow and adapt to its environment, with its own peripheral nervous system linking to sensors and...

Blockchain Gets a Wall Street Win: 'We Know the Thing Works Now' 
From ACM News

Blockchain Gets a Wall Street Win: 'We Know the Thing Works Now' 

The prospect of blockchain technology remaking financial services just moved a step closer to reality after banks including Goldman Sachs Group Inc. and JPMorgan...

Tim Berners-Lee on the Future of the Web: 'The System is Failing'
From ACM News

Tim Berners-Lee on the Future of the Web: 'The System is Failing'

The inventor of the World Wide Web remains an optimist but sees a 'nasty wind' blowing amid concerns over advertising, net neutrality and fake news.

Did technology kill the truth?
From ACM News

Did technology kill the truth?

The software algorithms that decide our news feed are programmed to prioritize user attention over truth to optimize for engagement, which means optimizing for...

Five Technologies That Will Rock Your World
From ACM News

Five Technologies That Will Rock Your World

After the Russian hacking of the 2016 election, many people worry that technology has gone too far.

Listening for Gravitational Waves Using Pulsars
From ACM News

Listening for Gravitational Waves Using Pulsars

One of the most spectacular achievements in physics so far this century has been the observation of gravitational waves, ripples in space-time that result from...

Improving Clinical Trials With Machine Learning
From ACM TechNews

Improving Clinical Trials With Machine Learning

Machine learning could improve the ability to determine whether a new drug works in the brain, and could enable researchers to detect drug effects missed by conventional...

Robots Can Help Us Better Understand How Infants Learn
From ACM TechNews

Robots Can Help Us Better Understand How Infants Learn

Johan Kwisthout of Radboud University in the Netherlands' discusses efforts to use robots to replicate the brains infants in order to better understand their learning...

Stanford Algorithm Can Diagnose Pneumonia Better Than Radiologists
From ACM TechNews

Stanford Algorithm Can Diagnose Pneumonia Better Than Radiologists

A new deep-learning algorithm that evaluates chest x-rays for signs of disease and can outperform radiologists at diagnosing pneumonia.
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