Communications of the ACM
Generative AI Degrades Online Communities
How large language models are influencing online communities.
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
Warp Drive Research Key to Interstellar Travel
As any avid Star Trek fan can tell you, the eccentric physicist Zefram Cochrane invented the warp-drive engine in the year 2063.
From ACM Opinion
Asimov's Predictions from 1964: A Brief Report Card
Predictions about technology's future are almost always doomed.
From ACM Opinion
7 Gadgets to Watch For in 2014
Turn an ordinary table into a touch screen, monitor your kids' whereabouts, and place the power of 3D printing in the palm of your hand—and there’s more.
From ACM Opinion
Software Recognition Technology Is Amazing, but Not Amazing Enough
The gadget blogs may work themselves into a frenzy over megapixels and processor speed. But if you want to know what really dazzles the masses, consider a feature...
From ACM Opinion
How Far Away Is Mind-Machine Integration?
Okay, great: we can control our phones with speech recognition and our television sets with gesture recognition.
From ACM Opinion
A Rosie Future: Jetsons-Like Gadgets with 'ambient Intelligence' Are Key to Smart Homes and Cities
Fifty years after The Jetsons promised us a future of robot maids, flying cars, video phones and meals at the push of a button, it seems that reality may actually...
From ACM Opinion
One Thing Is Certain: Heisenberg's Uncertainty Principle Is Not Dead
A demonstration by experimenters at the Vienna University of Technology violates Heisenberg's original version of his uncertainty principle, but confirms a newer...
From ACM Opinion
Can Math Beat Financial Markets?
Wall Street's wild swings last week helped skew both retirement portfolios and mathematical models of the financial markets. After all, a standard Gaussian function—a...
From ACM Opinion
Long Live the Web: A Call For Continued Open Standards and Neutrality
The Web is critical not merely to the digital revolution but to our continued prosperity—and even our liberty. Like democracy itself, it needs defending.
From ACM Opinion