The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
Attorneys general from 20 states celebrated on Monday when a district court judge in Seattle extended an injunction against the sharing of 3-D printed gun blueprints online.
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 a double helix. But did you know that DNA can change its shape…
President Trump thinks Google's search engine is "rigged." By featuring more mainstream news outlets and relatively fewer conservative sites in the results he sees, Trump tweeted Tuesday, Google is "suppressing" right-wing views…
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 online account that popularized the technique—which may have…
A long time ago, in the bad old days of the 2000s, debates about the Internet were dominated by two great tribes: the Optimists and the Pessimists.
It should come as no surprise that recent advances in big-data analytics and artificial intelligence have created strong incentives for enterprises to amass information about every measurable aspect of their businesses.
On Tuesday morning, the 45th president of the United States woke up around 5:30am Eastern Time and decided to begin his Tuesday by berating the "Fake News Media," claiming that Google was somehow "rigged" so that "all stories…
When we learn about the Industrial Revolution in school, we hear a lot about factories, steam engines, maybe the power loom.
Picture a computer. Now I'm going to go out on a limb and say that you were probably thinking of your laptop, or maybe even your smartphone if you're being smart about it. There's a good chance you weren't thinking of a quantum…
The battle against propaganda bots is an arm's race for our democracy. It's one we may be about to lose.
A barista gets burned at work, buys first-aid cream at Target, and later that day sees a Facebook ad for the same product.
It took me around 10 minutes to crash the upcoming midterm elections.
What if artificial intelligence can't cure cancer after all?
In 1955, science fiction writer Isaac Asimov published a short story about an experiment in "electronic democracy," in which a single citizen, selected to represent an entire population, responded to questions generated by a …
On Sunday, August 12, NASA launched a bold mission to fly directly into the sun's atmosphere, with a spacecraft named the Parker Solar Probe, after solar astrophysicist Eugene Parker.
Every ten years, US astronomers set research priorities for the following decade.
Call it Jeffrey Katzenberg's unicorn newborn. An operating company has come into being, ex nihilo, with the blandest of names—NewTV—and a valuation north of $1 billion.
With the U.S. heading into a pivotal midterm election, little progress has been made on ensuring the integrity of voting systems—a concern that retook the spotlight when the 2016 presidential election ushered Donald Trump into…
Most Americans use rare earth elements every day—without knowing it, or knowing anything about what they do. That could change, as these unusual materials are becoming a focal point in the escalating trade war between the U.S…
Nearly 30,000 people came to Las Vegas last week for the 26th edition of DEF CON, the iconic security conference. And no small amount of the mental energy of that vast crowd was spent on one particular thing: the conference badge…
Russian hackers targeted US electoral systems during the 2016 presidential election.
The United States is trying to develop a national strategy on artificial intelligence (AI) but is ignoring its single greatest advantage: many of the world's brightest minds would like to live and work here but can't.
More than 2,400 AI researchers recently signed a pledge promising not to build so-called autonomous weapons—systems that would decide on their own whom to kill.
Here are some things that are true today:
If, like most people, you thought Google stopped tracking your location once you turned off Location History in your account settings, you were wrong.
Sitting in front of a computer not long ago, a tenured history professor faced a challenge that billions of us do every day: deciding whether to believe something on the Internet.
When I walked around the exhibition floor at this week's massive Black Hat cybersecurity conference in Las Vegas, I was struck by the number of companies boasting about how they are using machine learning and artificial intelligence…
Years ago I spoke with a 16-year-old girl who was considering the idea of having a computer companion in the future, and she described the upside to me.
Google is proposing a new Faustian bargain with the Chinese government that isn't just morally wrong; it's also terrible for business. Experience has shown that American tech companies that sell their souls for access to the …
Artificial intelligence (AI) often is erroneously identified as an emerging technology.