The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
In a double dose of irony, the National Security Agency's prying has given a big helping hand to Phil Zimmermann's business, Silent Circle.
It is said that Mahatma Gandhi, when asked about Western civilization, remarked, "I think it would be a good idea."
The head of the National Security Agency delivered a vigorous defense Wednesday of his agency's collection of Americans' phone records for counterterrorism purposes, asserting that the program was helpful in investigations of…
J. Paul Gibson began to teach programming classes for teens out of frustration.
Google turned 15 on Friday, smack in the middle of its adolescence.
Don Norman's The Design of Everyday Things is the bible for design thinking and technology.
Bill Gates made many exceptional decisions while he was leading Microsoft to immense success. He did, however, make a few errors.
My BlackBerry is my lifeline.
Ella Gale, one of the young researchers attending the 1st Heidelberg Laureate Forum in Germany, says her interest is unconventional computing.
The fight over patent reform has turned into a two-front war.
Beleaguered gadgetmaker BlackBerry said on Monday that it's signed a tentative agreement to be purchased by a group led by Canadian holding company Fairfax Financial in a $4.7 billion deal.
Comments can be bad for science. That's why, here at PopularScience.com, we're shutting them off.
Michael Dell is feeling aggressive.
You are standing on a dock beside the jutting masts and crow's nest of a sunken ship, water lapping calmly under your feet.
You probably feel strongly about iOS 7.
There is a scene in the television series "Boss" in which the mayor of Chicago, played by Kelsey Grammer, is discovered by his wife washing bed sheets by hand at three o'clock in the morning. "Why don’t you use the washing machine…
Hopes of alien life on Mars were dashed Thursday when a paper published in the journal Scienceconcluded that the Curiosity rover has yet to find any methane gas, a strong indicator of microbial life. But Robert Zubrin, cofounder…
Bruce Schneier, a cryptographer and author on security topics, provides perspective on the revelations from documents purloined from the U.S. National Security Agency by contractor Edward Snowden, and hints that more are coming…
There's been an interesting sideshow in tech land since Apple unveiled the iPhone 5S last week: Does having the first 64-bitmicroprocessor in a phone mean anything?
How will police use a gun that immobilizes its target but does not kill? What would people do with a device that could provide them with any mood they desire? What are the consequences of a massive, instant global communications…
Over half of the world’s population lives in urban environments, and that number is rapidly growing according to the World Health Organization.
On Aug. 20, NASA's administrator formally welcomed the newest candidates of the astronaut corpsand released a space exploration roadmap that includes robotic and human missions to destinations that include near-Earth asteroids…
In a fascinating note at Asymco, mobile analyst and ex-Nokian Horace Dediu details how people's taste in smartphones varies from place to place:
Internet usage—especially microblogging on Sina Weibo, China’s largest Twitter-like social media site—is presenting new challenges and new attempts to meet them from a government determined to maintain control.
When we reviewed iOS 6 a year ago, we called it a "spit-and-polish" release and stand by that assessment today.
Neal Stephenson is thinking big—20km (12.4 miles) big, to be precise.
For a year or two there, free online classes seemed like they just might be the future of higher education.
Last week, I visited the MIT computer science department looking for a very famous cryptographer.
The importance of the students’ voice.
Broadly, NoSQL has an absence of strict schemas for entities/attributes, while SQL rigidly relates/regulates the two.
Rather than fancying you can control Internet access, design exams to reward students who won't need it.
A silicone rubber submersible robot engineered by researchers at China's …
Art collector Pablo Rodriguez-Fraile, who bought a 10-second video clip …
Google says it will no longer track users across Internet …