The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
In October 2016, inside a sold-out arena in Zurich, a man named Numa Poujouly steered his wheelchair up to the central podium.
For more than 50 years, computers have made steady and dramatic improvements, all thanks to Moore's Law—the exponential increase over time in the number of transistors that can be fabricated on an integrated circuit of a given…
Two weeks ago it was cyberattacks on the Irish power grid. Last month it was a digital assault on U.S. energy companies, including a nuclear power plant. Back in December a Russian hack of a Vermont utility was all over the news…
At 6'5", Aaron Dennis towers over the whiteboard beside him.
The contention that America's workers lack the skills employers demand is an article of faith among analysts, politicians, and pundits of every stripe, from conservative tax cutters to liberal advocates of job training.
We inhabit a small planet orbiting a medium-sized star about two-thirds of the way out from the center of the Milky Way galaxy—around where Track 2 on an LP record might begin.
In early July, Google announced that it will expand its commercially available cloud computing services to include quantum computing.
In the shadow, one might say, of the Great American Eclipse, a major anniversary in the history of space exploration—and indeed cosmic consciousness—is being celebrated.
Law enforcement officials, technology companies and lawmakers have long tried to limit what they call the "radicalization" of young people over the internet.
Late Sunday, 116 entrepreneurs, including Elon Musk, released a letter to the United Nations warning of the dangerous "Pandora's Box" presented by weapons that make their own decisions about when to kill.
In 1977, four recent MIT graduates who'd met at MIT's Laboratory for Computer Science used the lab's PDP-10 mainframe to develop a computer game that captivated the world.
Andrew Ng has led teams at Google and Baidu that have gone on to create self-learning computer programs used by hundreds of millions of people, including email spam filters and touch-screen keyboards that make typing easier by…
Beyond carrying all of our phone, text and internet communications, cyberspace is an active battleground, with cybercriminals, government agents and even military personnel probing weaknesses in corporate, national and even personal…
The move to elevate Cyber Command to a full Unified Combatant Command and split it off from the National Security Agency or NSA shows that cyber intelligence collection and information war are rapidly diverging fields.
In the wake of Charlottesville, both GoDaddy and Google have refused to manage the domain registration for the Daily Stormer, a neo-Nazi website that, in the words of the Southern Poverty Law Center, is "dedicated to spreading…
Intelligence officers sometimes talk about "blowback," when covert actions go bad and end up damaging the country that initiated them.
Last year, the Japanese company SoftBank opened a cell phone store in Tokyo and staffed it entirely with sales associates named Pepper. This wasn't as hard as it sounds, since all the Peppers were robots.
We the people have always been helplessly drawn to the concept of magic: the notion that you can will something to happen by wiggling your nose, speaking special words or waving your hands a certain way.
Video games are, in a way, the perfect medium through which to depict the post-apocalypse. If we assume that after the collapse of civilisation everyone will revert to a brutal state of nature, then violence is the natural engine…
There's a reason why the premise of American Gods is so alluring: the US is home to a wild and glorious mishmash of gods, folktales, and cultural heritage.
When Roger Dingledine talks about the dark web, he waves his hands in the air, as if not quite convinced of its existence.
Government officials continue to seek technology companies' help fighting terrorism and crime. But the most commonly proposed solution would severely limit regular people's ability to communicate securely online.
Cyberterrorism fears are through the roof.
During a recent White House meeting with President Donald Trump, Apple CEO Tim Cook remarked that "coding should be a requirement in every public school."
The idea of the human mind as the domain of absolute protection from external intrusion has persisted for centuries.
The longest amount of time that a spacecraft has survived on the surface of Venus is 127 minutes.
Remember that picture you sent to your family of your children playing in the paddling pool? Or that private text you sent to someone trusted? Or when you searched for medical advice?
Bruce Sherwood, the author of Matter and Interactions, had a question for me when I saw him at the American Association of Physics Teachers conference not long ago: "What calculator do you use?"
Facebook has been working on artificial intelligence that claims to be great at negotiating, makes up its own language and learns to lie.
The elements of one of the most used and popular data designs around.
Babbage wanted to control his analytical engine, regarded as the ancestor of the modern-day computer, with punched cards.
In this blog, we describe our vision for a journal that would focus on data science education from the interdisciplinarity …