Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
As Governments Adopt Artificial Intelligence, There's Little Oversight and Lots of Danger
Artificial intelligence systems can—if properly used—help make government more effective and responsive, improving the lives of citizens. Improperly used, however...
From ACM Opinion
Despite Consumer Worries, the Future of Aviation Will Be More Automated
In the wake of the Lion Air and Ethiopian Airlines crashes of Boeing 737 Max planes, people are thinking about how much of their air travel is handled by software...
From ACM Opinion
Cars Are Regulated for Safety, Why Not Information Technology?
As the computing industry grapples with its role in society, many people, both in the field and outside it, are talking about a crisis of ethics.
From ACM News
China Is Catching p to the S on Artificial Intelligence Research
Researchers, companies and countries around the world are racing to explore—and exploit—the possibilities of artificial intelligence technology.
From ACM Opinion
Don't Be Fooled by Fake Images and Videos Online
One month before the 2016 U.S. presidential election, an "Access Hollywood" recording of Donald Trump was released in which he was heard lewdly talking about women...
From ACM Opinion
People Don't Trust Blockchain Systems. Is Regulation a Way to Help?
Blockchain technology isn't as widely used as it could be, largely because blockchain users don't trust each other, as research shows.
From ACM Opinion
Offices Are Too Hot or Too Cold; Is There a Better Way to Control Room Temperature?
In any office, home or other shared space, there's almost always someone who's too cold, someone who's too hot—and someone who doesn't know what the fuss around...
From ACM Opinion
The Quiet Threat Inside 'Internet of Things' Devices
As Americans increasingly buy and install smart devices in their homes, all those cheap interconnected devices create new security problems for individuals and...
From ACM News
Countering Russian Disinformation the Baltic Nations' Way
As the new Congress begins, it will soon discuss the comprehensive reports to the U.S. Senate on the disinformation campaign of half-truths, outright fabrications...
From ACM Opinion
Is Quantum Computing a Cybersecurity Threat?
Cybersecurity researchers and analysts are rightly worried that a new type of computer, based on quantum physics rather than more standard electronics, could ...
From ACM Opinion
Time Travel Is Possible, but Only If You Have an Object with Infinite Mass
The concept of time travel has always captured the imagination of physicists and laypersons alike. But is it really possible? Of course it is.
From ACM Opinion
Inspired by Sci-Fi, an Airplane with No Moving Parts and a Blue Ionic Glow
Since their invention more than 100 years ago, airplanes have been moved through the air by the spinning surfaces of propellers or turbines.
From ACM Opinion
Colonizing Mars Means Contaminating Mars, and Never Knowing for Sure If It Had Its Own Native Life
The closest place in the universe where extraterrestrial life might exist is Mars, and human beings are poised to attempt to colonize this planetary neighbor within...
From ACM Opinion
Even a Few Bots Can Shift Public Opinion in Big Ways
Nearly two-thirds of the social media bots with political activity on Twitter before the 2016 U.S. presidential election supported Donald Trump.
From ACM Opinion
My Thoughts Are My Password, Because My Brain Reactions Are nique
Your brain is an inexhaustible source of secure passwords—but you might not have to remember anything. Passwords and PINs with letters and numbers are relatively...
From ACM Opinion
Blockchains Won't Fix Internet Voting Security, and Could Make It Worse
Looking to modernize voting practices, speed waiting times at the polls, increase voter turnout and generally make voting more convenient, many government officials—and...
From ACM Opinion
Evolution Is at Work in Computers as well as Life Sciences
Artificial intelligence research has a lot to learn from nature.
From ACM Opinion
50 Years Old, '2001: A Space Odyssey' Still Offers Insight about the Future
Watching a 50th anniversary screening of "2001: A Space Odyssey," I found myself, a mathematician and computer scientist whose research includes work related to...
From ACM Opinion