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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...

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...

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.

Martonosi Sketches a Path for a New Type of Computing
From ACM TechNews

Martonosi Sketches a Path for a New Type of Computing

Princeton University professor Margaret Martonosi says quantum computing has reached an inflection point.

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.

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...

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...

New Quantum Materials Offer Novel Route to 3D Electronic Devices
From ACM TechNews

New Quantum Materials Offer Novel Route to 3D Electronic Devices

Researchers at Aalto University in Finland have demonstrated how the principles of general relativity can open a pathway to novel electronic applications.

Co-Design Center Develops Next-Gen Simulation Tools
From ACM TechNews

Co-Design Center Develops Next-Gen Simulation Tools

The Exascale Computing Project's Center for Efficient Exascale Discretizations collaborates to create highly optimized discretization libraries and next-generation...

Only If It Serves the State: North Korea's Online Experience 
From ACM News

Only If It Serves the State: North Korea's Online Experience 

Ever so cautiously, North Korea is going online.

Dawn Explores Ceres' Interior Evolution
From ACM News

Dawn Explores Ceres' Interior Evolution

Surface features on Ceres—the largest world between Mars and Jupiter—and its interior evolution have a closer relationship than one might think.

Facebook Can Make Your Profile Pic Wink and Scowl
From ACM TechNews

Facebook Can Make Your Profile Pic Wink and Scowl

Researchers have been developing a tool that can take a single image of a face and create an animated version that puts on either a happy, sad, or angry expression...

SLAC Knows How the Universe Works. Now It's Targeting Your Needs
From ACM Careers

SLAC Knows How the Universe Works. Now It's Targeting Your Needs

You could be forgiven for thinking the SLAC National Accelerator Laboratory's glory days are long over.

Texas Gunman's iPhone Could Reignite FBI-Apple Feud Over Encryption
From ACM News

Texas Gunman's iPhone Could Reignite FBI-Apple Feud Over Encryption

The FBI and Apple are bracing for another potential fight over encryption, this time because of the iPhone of the dead gunman in Sunday's Texas church shooting,...

The Computer Scientist Who Prefers Paper
From ACM News

The Computer Scientist Who Prefers Paper

For years, Barbara Simons was the loneliest of Cassandras—a technologist who feared what technology had wrought. Her cause was voting: Specifically, she believed...
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