Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
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
Why We're Training the Next Generation of Lawyers in Big Data
Artificial intelligence is transforming the traditional delivery of legal services.
From ACM Opinion
Has One of Math's Greatest Mysteries, the Riemann Hypothesis, Finally Been Solved?
Over the past few days, the mathematics world has been abuzz over the news that Sir Michael Atiyah, the famous Fields Medalist and Abel Prize winner, claims to....
From ACM Opinion
Paper-Based Electronics Could Fold, Biodegrade and Be the Basis for the Next Generation of Devices
It seems like every few months there's a new cellphone, laptop or tablet that is so exciting people line up around the block to get their hands on it.
From ACM Opinion
In 1968, Computers Got Personal: How the 'Mother of All Demos' Changed the World
On a crisp California afternoon in early December 1968, a square-jawed, mild-mannered Stanford researcher named Douglas Engelbart took the stage at San Francisco's...
From ACM Opinion
Why the Russians Might Hack the Boy Scouts Next
In the two years since Russia made headlines for targeting an American political organization–the Democratic National Committee–and undermining Hillary Clinton's...
From ACM Opinion
Ten Years of Large Hadron Collider Discoveries Are Just the Start of Decoding the niverse
Ten years! Ten years since the start of operations for the Large Hadron Collider (LHC), one of the most complex machines ever created.
From ACM Opinion
How Will Google's Innovation Continue Beyond Its 20th Year?
As millions of people came online in the late 1990s they needed help figuring out what each webpage was about, and how to find what they were looking for.
From ACM Opinion
Math Shows How DNA Twists, Turns and nzips
If you've ever seen a picture of a DNA molecule, you probably saw it in its famous B-form: two strands coiling around each other in a right-handed fashion to form...
From ACM Opinion
Detecting 'DeepFake' Videos in the Blink of an Eye
A new form of misinformation is poised to spread through online communities as the 2018 midterm election campaigns heat up. Called "deepfakes" after the pseudonymous...
From ACM Opinion
Programmers Need Ethics When Designing the Technologies that Influence People's Lives
Computing professionals are on the front lines of almost every aspect of the modern world.
From ACM Opinion
Brains Keep Temporary Molecular Records Before Making a Lasting Memory
The first dance at my wedding lasted exactly four minutes and 52 seconds, but I'll probably remember it for decades.
From ACM Opinion
Weaponized Information Seeks a New Target in Cyberspace: Users' Minds
The Russian attacks on the 2016 U.S. presidential election and the country's continuing election-related hacking have happened across all three dimensions of cyberspace—physical...
From ACM Opinion