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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...

Can the U.S. Stop China From Controlling the Next Internet Age?
From ACM Opinion

Can the U.S. Stop China From Controlling the Next Internet Age?

Imagine, if you will (and you should), a big American tech executive being detained over unspecified charges while on a trip to Beijing.

Huawei Reveals the Real Trade War With China
From ACM Opinion

Huawei Reveals the Real Trade War With China

If you only scan the headlines, you could be forgiven for thinking that the U.S.-China trade war is mainly about tariffs.

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...

Facebook's Top AI Scientist Says It's 'Dust' Without Artificial Intelligence
From ACM Opinion

Facebook's Top AI Scientist Says It's 'Dust' Without Artificial Intelligence

Without artificial intelligence there wouldn't be much left of Facebook as we know it today.

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...

Nailing Down the Nature of 'Oumuamua; It's Probably a Comet, but . . .
From ACM Opinion

Nailing Down the Nature of 'Oumuamua; It's Probably a Comet, but . . .

Shortly before Halloween, the chairman of Harvard's astronomy department openly declared that an interstellar object hurtling through our Solar System might just...

Mars Beckons
From ACM Opinion

Mars Beckons

The science and technology behind NASA's latest space explorer to land on Mars are so awe-inducing that it's hardly surprising when scientists commenting on the...

CRISPR Inventor Feng Zhang Calls for Moratorium on Gene-Edited Babies
From ACM Opinion

CRISPR Inventor Feng Zhang Calls for Moratorium on Gene-Edited Babies

Feng Zhang, one of the inventors of the gene-editing technique CRISPR, has called for a global moratorium on using the technology to create gene-edited babies. ...

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...

Alphabet Chairman Struggles With Google CEO's China Strategy
From ACM Opinion

Alphabet Chairman Struggles With Google CEO's China Strategy

Alphabet Inc. Chairman John Hennessy is unsure about a banner strategy of the company's most-important executive.

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.

Point: Should AI Technology Be Regulated?
From Communications of the ACM

Point: Should AI Technology Be Regulated?: Yes, and Here's How

Considering the difficult technical and sociological issues affecting the regulation of artificial intelligence research and applications.

Counterpoint: Regulators Should Allow the Greatest Space for AI Innovation
From Communications of the ACM

Counterpoint: Regulators Should Allow the Greatest Space for AI Innovation

Permissionless innovation should be the governing policy for AI technologies.

A Chance Gardener
From Communications of the ACM

A Chance Gardener

Harvesting open source products and planting the next crop.
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