Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
Cinematic and Scientific Techniques Combine to Show How a Long-Extinct Creature Moved
The trolls and orcs in The Lord of the Rings films aren't real. The dragons and dire wolves on the hit television show Game of Thrones are simulated. The dinosaurs...
From ACM Opinion
Dreaming of Death Rays: The Search for Laser Weapons
Lasers first emerged nearly 60 years ago, but the idea of using powerful beams of heat or light is hardly new.
From ACM Opinion
Classical and Quantum Computers Are Vying for Superiority
Will 2019 be the year when quantum computers show they have the right stuff? Google says so; one of the company's labs, in Santa Barbara, California, has promised...
From ACM Opinion
Science Candidates Prevail in S Midterm Elections
Results from the United States' midterm elections are still pouring in, but a handful of candidates with backgrounds in science or technology have already nabbed...
From ACM Opinion
Trolling, Hacking and the 2016 S Presidential Election
Late in 2016, then-US President Barack Obama mused in an interview with The New Yorker magazine that he had probably been elected because his campaign had begun...
From ACM Opinion
Forgotten Heroes of the Enigma Story
Alan Turing's crucial unscrambling of German messages in the Second World War was a tour de force of codebreaking.
From ACM Opinion
Billion-Dollar Telescopes Could End p Beyond the Reach of S Astronomers
Every ten years, US astronomers set research priorities for the following decade.
From ACM Opinion
AI Can Be Sexist and Racist; It's Time to Make It Fair
When Google Translate converts news articles written in Spanish into English, phrases referring to women often become "he said" or "he wrote."
From ACM Opinion
Before Reproducibility Must Come Preproducibility
From time to time over the past few years, I've politely refused requests to referee an article on the grounds that it lacks enough information for me to check...
From ACM Opinion
Richard Feynman at 100
A pre-eminent twentieth-century physicist and a Nobel laureate: Richard Feynman was certainly those. He was also much more.
From ACM Opinion
The Illusion of Time
According to theoretical physicist Carlo Rovelli, time is an illusion: our naive perception of its flow doesn't correspond to physical reality.
From ACM Opinion
Regulate Artificial Intelligence to Avert Cyber Arms Race
Cyberattacks are becoming more frequent, sophisticated and destructive. Each day in 2017, the United States suffered, on average, more than 4,000 ransomware attacks...
From ACM Careers
Tom Lehrer at 90: A Life of Scientific Satire
In 1959, the mathematician and satirist Tom Lehrer—who turns 90 this month—performed what he characteristically called a "completely pointless" scientific song...
From ACM Opinion
Einstein, Bohr and the War Over Quantum Theory
All hell broke loose in physics some 90 years ago. Quantum theory emerged—partly in heated clashes between Albert Einstein and Niels Bohr.
From ACM Opinion
The Ageless Appeal of 2001: A Space Odyssey
In 1968, film-maker Stanley Kubrick and his screenwriting colleague, science-fiction author Arthur C. Clarke, presented 2001: A Space Odyssey. Half a century later...
From ACM Opinion
Cambridge Analytica Controversy Must Spur Researchers to Update Data Ethics
Revelations keep emerging in the Cambridge Analytica personal-data scandal, which has captured global public attention for more than a week. But when the dust settles...
From ACM Opinion
Fourier's Transformational Thinking
When you listen to digital music, the harmonies and chords that you hear have probably been reconstructed from a file that stored them as components of different...
From ACM Opinion
Does Your Code Stand p to Scrutiny?
Computer code written by scientists forms the basis of an increasing number of studies across many fields—and an increasing number of papers that report the results...
From ACM Opinion
How to Make Replication the Norm
Replication is essential for building confidence in research studies, yet it is still the exception rather than the rule.
From ACM Opinion