The opinion archive provides access to past opinion stories from Communications of the ACM and other sources by date.
When the Russian asteroid became a fireball in the air over Chelyabinsk, destroying buildings and injuring hundreds, we were lucky it wasn’t worse.
Search has always been about giving you the best answers quickly, regardless of what device you use.
Gregory Nagy, a professor of classical Greek literature at Harvard, is a gentle academic of the sort who, asked about the future, will begin speaking of Homer and the battles of the distant past.
Given that Bitcoin first broke into mainstream attention when Gawker explained how to use it to buy drugs, perhaps the surprise is that it took federal regulators this long to take action against it.
We now live in a world where public servants informing the public about government behavior or wrongdoing must practice the tradecraft of drug dealers and spies.
A man sitting alone at his kitchen table pauses before eating his breakfast.
For the past few years, Sundar Pichai has been part of a tag-team routine staged at Google's annual I/O developer conference.
They sacrificed a spectacular sunny Saturday afternoon by the hundreds, forgoing all else to sit in a darkened hall to witness hours of intense lectures and art works. Happily. Eagerly. Hungrily.
In robotics, as in life, it often takes small steps to reach a big goal.
Dear college graduates: The next month is going to be thrilling as you cross this major milestone in your education.
If you think you're hearing about privacy all the time, you're probably right.
A Social Security number is like a skeleton key, able to unlock a kingdom of untold riches for identity thieves.
"If there was a Ph.D. in learning everything, I would do that," the always-enthusiastic Sal Khan '98, MEng '98 said in a talk Wednesday at MIT's Kresge Auditorium.
In June 2011, just a few short months after protests first erupted in Syria, the country's president, Bashar Al-Assad, made a speech in which he thanked a group called the "Syrian Electronic Army" (SEA). Calling it a "virtual…
The Syrian Electronic Army launched a successful cyberattack on the main infrastructure system of Haifa, one of the most important ports in Israel, disrupting the operation of the servers in charge of urban management systems…
When I was a young reporter we could not afford cellphones.
In fall 2011, Sebastian Thrun, a research professor at Stanford, and Peter Norvig, the top scientist at Google, teamed up to develop and teach a free, online course on artificial intelligence.
Why do most smartphones make a clicking noise, like a camera shutter closing, when you take a picture with them? Why do the virtual pages of a book on a tablet appear to turn as you swipe across the screen?
Until recently, Google has dominated search. It has been the main stomping ground for consumers looking to buy products, visit sites, or conduct research.
On a normal weeknight, Netflix accounts for almost a third of all Internet traffic entering North American homes. That's more than YouTube, Hulu, Amazon.com, HBO Go, iTunes, and BitTorrent combined.
Don't be surprised if Stephen Wolfram, the renowned complexity theorist, software company CEO, and night owl, wants to schedule a work call with you at 9 p.m. In fact, after a decade of logging every phone call he makes, Wolfram…
There's a theory that human intelligence stems from a single algorithm.
In 2050, the Earth's population is expected to hit 10 billion, and 75% of those people will live in cities.
Moore's Law is Silicon Valley’s guiding principle, like all 10 commandments wrapped into one.
Are you prepared to meet your robot overlords?
My lifespan encompasses the era when the United States of America was capable of launching human beings into space.
Apple's closed ecosystem is losing the battle for how we connect our mobile devices to accessories as open solutions like Bluetooth dominate over Apple's proprietary dock connector and AirPlay standards.
Swarms. Hive minds. The Web.
It's one thing to read news concerning the latest report to Congress by the U.S. Department of Defense on China's latest military activities. But with regard to China's evolving stance and capabilities in the cyber arena, it's…