Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
From ACM Opinion
Does a Multiverse Fermi Paradox Disprove the Multiverse?
Having just orbited our way through another summer solstice, it feels like time to let slip some more speculative ideas before the hot days of the northern hemisphere...
From ACM Opinion
The Pluto Punch-Through
On July 14, 2015 NASA's New Horizons spacecraft finally reaches Pluto. But the encounter is brief.
From ACM Opinion
Building an Earth-Size Telescope, 1 Station at a Time
Imagine a trio of aerobatic aircraft. Over the years they've gotten very good at their routine. But they want to add another five or six or seven members.
From ACM Opinion
Fateful Phone Call Spawned Moore's Law
In their new book, Moore's Law: The Life of Gordon Moore, Silicon Valley's Quiet Revolutionary, authors Arnold Thackray, David C. Brock and Rachel Jones chronicle...
From ACM Opinion
Watch the First Artificial Gravity Experiment
Gravity, as the old joke goes, sucks.
From ACM Opinion
How to Restore Trust in American Technology
Last November in the town of Wuzhen, China hosted its first large international summit on Internet governance and cybersecurity.
From ACM Opinion
How to Choose the Form of an Infographic: It's All About Context
As a graphics designer, I have a love/hate relationship with circles.
From ACM News
Search Gives s Superpowers
Machine learning—an area of AI focusing on systems that "learn" from data in order to navigate future similar scenarios—is one of the ways we’ve managed to give...
From ACM Opinion
How the Smartphone Killed Typing—but Started an AI Revolution
Steve Jobs often swam against the tide of prevailing opinion.
From ACM Opinion
The Surreal Task of Landing on a Comet
On November 12th 2014 the European Space Agency's Rosetta mission will eject the small robotic lander Philae on a trajectory that should take it down to the surface...
From ACM Opinion
Visualizing 4-Dimensional Asteroids
One of the largest treasure troves of astronomical data comes from the Sloan Digital Sky Survey (SDSS), an ongoing scan of the firmament that began 15 years ago...
From ACM Opinion
The Case For Kill Switches in Military Weaponry
This summer the insurgent group ISIS captured the Iraqi city of Mosul—and along with it, three army divisions' worth of U.S.-supplied equipment from the Iraqi army...
From ACM Opinion
Beyond Classic Brain Illustrations That Make S Drool
I threw down a bit of a challenge last month at the Association of Medical Illustrators Conference in Minnesota.
From ACM Opinion
Quantum Chaos: After a Failed Speed Test, the D-Wave Debate Continues
How hard can it be to determine whether a computer works as promised?
From ACM Opinion
Time Travel: Installing an Atomic Clock at 15,000 Feet
A few months ago I went to Cambridge, Mass. to check in with the Event Horizon Telescope crew and found Shep Doeleman, the project leader, fresh off the completion...
From ACM Opinion
So Far, Big Data Is Small Potatoes
Is Big Data going to revolutionize science and help us make a better world? Not based on what it's done so far.
From ACM Opinion
Time Machines Would Run Afoul of the Second Law of Thermodynamics
We've all seen those movies where someone goes back in time and tries to change something (the classic "Grandfather Paradox": what happens if you go back in time...
From ACM Opinion
When Big Data Marketing Becomes Stalking
Many of us now expect our online activities to be recorded and analyzed, but we assume that the physical spaces we inhabit are different.
From ACM Opinion
Asimov's Predictions from 1964: A Brief Report Card
Predictions about technology's future are almost always doomed.
From ACM Opinion