The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
The United States is now committed to building an exascale computer, some 30 times more powerful than today’s top machine.
In a landmark ruling in May 2014, the Court of Justice of the European Union (CJEU) established a "right to be forgotten", or more accurately, a "right to delist", allowing Europeans to ask search engines to delist certain links…
Hundreds of game developers, publishers and analysts recently descended on Brighton for the annual Develop conference.
Jun Wang is one of China's most famous scientists.
When Google paid $3.2bn (£2.1bn) to buy Tony Fadell's start-up Nest in 2014, it got much more than just an internet-connected thermostat and smoke detector.
Kepler-452b may be Earth's close cousin, but living on the newfound world would still be an alien experience.
Alan Turing made many predictions about artificial intelligence, but one of his lesser known may sound familiar to those who have heard Stephen Hawking or Elon Musk warn about AI’s threat in 2015.
When the history of the connected car is written, this week may go down as a pivotal moment for consumers worried about security.
It's not a game or social media site, but OldNYC.org is as addictive as Angry Birds and as time consuming as Facebook.
Ants are capable of remarkable feats of coordination.
Think of Edward Snowden's vast leaks as a how-to guide for head-choppers looking to keep their own heads far from U.S. bombs.
I look at apps like Grindr and Tinder and see how they’ve rewritten sex culture—by creating a sexual landscape filled with vast amounts of incredibly graphic site-specific data—and I can't help but wonder why there isn't an app…
When sci-fi author Andy Weir went to visit mission control at NASA's Johnson Space Center, the International Space Station was going through a crisis—an air leak, to be precise.
People used to be computers.
If you've played just one first-person shooter game it was probably in the Call of Duty series.
There's something so wonderfully easy about reading this column in a physical newspaper.
As it advances now beyond Pluto, the New Horizons spacecraft is sending back data from its historic encounter with the dwarf planet like a long sigh of relief.
Extreme weather events, changes in precipitation levels, species migration and extinction—climate change promises so many fun things. But why wait?
Summer is one of the most dangerous times of the year on U.S. streets, as many of us spend more time behind the wheel, heading out for long road trips or local barbecues.
Science is hard and good science is harder—it takes persistence and tons of patience.
On Friday, July 10, the Electronic Frontier Foundation celebrated its 25th anniversary.
Soon after the New Horizons spacecraft made its closest approach to Pluto, at 7:49 A.M. on Tuesday—seventy-two seconds ahead of schedule, after a nine-and-a-half-year journey—Bonnie Buratti, one of the mission's scientists, told…
Intelligent machines come in myriad forms, so which ones pose a danger to us, and how likely are they to actually happen?
When a series of technical glitches hit companies that ranged from United to the New York Stock Exchange this week, suspicions immediately ran to a cyber attack.
In both the Anthem insurance hack and the two Office of Personnel Management hacks this year, attackers gained access to Social Security numbers, affecting 80 million and more than 22 million people, respectively.
Amit Singhal, Google's search chief, has spent the past 15 years creating the miracle that is the Google search box.
The apps and games you use every day don't exist in a vacuum—someone, somewhere, wrote the code.
In another universe you might have become the president of Micronesia. Or a pauper, subsisting on ketchup.
In the past decade, Moxie Marlinspike has squatted on an abandoned island, toured the U.S. by hopping trains, he says, and earned the enmity of government officials for writing software.
Who is Camille Noûs, who has contributed to hundreds of papers on Google Scholar?
By 2019, I generally thought there wasn't much that could surprise me about organizing meetups. Then Covid-19 hit. I was …
Napier's multiplication and division rods, deriving from the basic multiplication table, simplify calculations considerably.