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Time Travel Is Possible, but Only If You Have an Object with Infinite Mass
From ACM Opinion

Time Travel Is Possible, but Only If You Have an Object with Infinite Mass

The concept of time travel has always captured the imagination of physicists and laypersons alike. But is it really possible? Of course it is.

The Robots Have Descended on Trump Country
From ACM Opinion

The Robots Have Descended on Trump Country

The growing use of work robots and the deployment of artificial intelligence have been most disruptive in just those areas of the country that provided President...

What the California Wildfires Can Teach Us About Data Sharing
From ACM Opinion

What the California Wildfires Can Teach Us About Data Sharing

When a massive earthquake and tsunami hit the eastern coast of Japan on March 11, 2011, the Fukushima Daiichi Nuclear Power Plant failed, leaking radioactive material...

Is the U.S. Lagging in the Quest for Quantum Computing?
From ACM Opinion

Is the U.S. Lagging in the Quest for Quantum Computing?

A quantum computer capable of breaking the strongest codes protecting online communications and computer data is highly unlikely to appear within the next decade...

The End of Privacy Began in the 1960s
From ACM Opinion

The End of Privacy Began in the 1960s

In the fall of 1965, President Lyndon Johnson's administration announced a plan to consolidate hundreds of federal databases into one centralized National Data...

Try Landing InSight on Mars (Without Exploding)
From ACM Opinion

Try Landing InSight on Mars (Without Exploding)

NASA just parked its InSight lander on Mars. Yes, Mars. This is a pretty big deal since quite a few Mars missions didn't make it.

 Inspired by Sci-Fi, an Airplane with No Moving Parts and a Blue Ionic Glow
From ACM Opinion

Inspired by Sci-Fi, an Airplane with No Moving Parts and a Blue Ionic Glow

Since their invention more than 100 years ago, airplanes have been moved through the air by the spinning surfaces of propellers or turbines.

The New Radicalization of the Internet
From ACM Opinion

The New Radicalization of the Internet

Social media has played a key role in the recent rise of violent right-wing extremism in the United States, including three recent incidents—one in which a man...

The Snowden Legacy: What's Changed, Really?
From ACM News

The Snowden Legacy: What's Changed, Really?

Digital privacy has come a long way since June 2013. In the five years since documents provided by Edward Snowden became the basis for a series of revelations that...

Opportunities and Challenges in Search Interaction
From Communications of the ACM

Opportunities and Challenges in Search Interaction

Seeking to address a wider range of user requests toward task completion.

How Will We Outsmart A.I. Liars?
From ACM Opinion

How Will We Outsmart A.I. Liars?

During the summer before the 2016 presidential election, John Seymour and Philip Tully, two researchers with ZeroFOX, a security company in Baltimore, unveiled...

You Know What? Go Ahead and Use the Hotel Wi-Fi
From ACM Opinion

You Know What? Go Ahead and Use the Hotel Wi-Fi

As you travel this holiday season, bouncing from airport to airplane to hotel, you'll likely find yourself facing a familiar quandary: Do I really trust this ...

Video Doesn't Capture Truth
From ACM Opinion

Video Doesn't Capture Truth

The White House has revoked the press pass of Jim Acosta, CNN's chief White House correspondent, after a testy exchange between the reporter and President Trump...

The Case Against Quantum Computing
From ACM Opinion

The Case Against Quantum Computing

Quantum computing is all the rage. It seems like hardly a day goes by without some news outlet describing the extraordinary things this technology promises.

Surveillance Kills Freedom By Killing Experimentation
From ACM Opinion

Surveillance Kills Freedom By Killing Experimentation

In my book Data and Goliath, I write about the value of privacy. I talk about how it is essential for political liberty and justice, and for commercial fairness...

Your Smartphone Photos Are Totally Fake, and You Love It
From ACM Opinion

Your Smartphone Photos Are Totally Fake, and You Love It

The little camera on this phone has a superpower: It can see things our eyes cannot.

Fake News: Can Teenagers Spot It?
From ACM Opinion

Fake News: Can Teenagers Spot It?

If we are to make it less of a threat to democracy, that effort is going to need to start in schools.

At China’s Internet Conference, a Darker Side of Tech Emerges
From ACM Opinion

At China’s Internet Conference, a Darker Side of Tech Emerges

Every year at the World Internet Conference, held since 2014 in the photogenic canal town of Wuzhen near Shanghai, companies and government officials have convened ...

How to Hack an Election (Without Touching the Machines)
From ACM Opinion

How to Hack an Election (Without Touching the Machines)

On Monday morning, just 24 hours before polls opened in the US midterm elections, President Trump sounded an alarm with a Tweet: "Law Enforcement has been strongly...
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