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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.

 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.

Sci-Fi Movies Are the Secret Weapon that Could Help Silicon Valley Grow Up
From ACM Opinion

Sci-Fi Movies Are the Secret Weapon that Could Help Silicon Valley Grow Up

If there's one line that stands the test of time in Steven Spielbergs 1993 classic "Jurassic Park," it's probably Jeff Goldblum's exclamation, "Your scientists...

Colonizing Mars Means Contaminating Mars, and Never Knowing for Sure If It Had Its Own Native Life
From ACM Opinion

Colonizing Mars Means Contaminating Mars, and Never Knowing for Sure If It Had Its Own Native Life

The closest place in the universe where extraterrestrial life might exist is Mars, and human beings are poised to attempt to colonize this planetary neighbor within...

Even a Few Bots Can Shift Public Opinion in Big Ways
From ACM Opinion

Even a Few Bots Can Shift Public Opinion in Big Ways

Nearly two-thirds of the social media bots with political activity on Twitter before the 2016 U.S. presidential election supported Donald Trump.

My Thoughts Are My Password, Because My Brain Reactions Are Unique
From ACM Opinion

My Thoughts Are My Password, Because My Brain Reactions Are Unique

Your brain is an inexhaustible source of secure passwords—but you might not have to remember anything. Passwords and PINs with letters and numbers are relatively...

 Artificial Intelligence Will Make You Smarter
From ACM Opinion

Artificial Intelligence Will Make You Smarter


Blockchains Won't Fix Internet Voting Security, and Could Make It Worse
From ACM Opinion

Blockchains Won't Fix Internet Voting Security, and Could Make It Worse

Looking to modernize voting practices, speed waiting times at the polls, increase voter turnout and generally make voting more convenient, many government officials—and...

Evolution Is at Work in Computers as well as Life Sciences
From ACM Opinion

Evolution Is at Work in Computers as well as Life Sciences

Artificial intelligence research has a lot to learn from nature.

50 Years Old, '2001: A Space Odyssey' Still Offers Insight about the Future
From ACM Opinion

50 Years Old, '2001: A Space Odyssey' Still Offers Insight about the Future

Watching a 50th anniversary screening of "2001: A Space Odyssey," I found myself, a mathematician and computer scientist whose research includes work related to...

Why We're Training the Next Generation of Lawyers in Big Data
From ACM Opinion

Why We're Training the Next Generation of Lawyers in Big Data

Artificial intelligence is transforming the traditional delivery of legal services.

Has One of Math's Greatest Mysteries, the Riemann Hypothesis, Finally Been Solved?
From ACM Opinion

Has One of Math's Greatest Mysteries, the Riemann Hypothesis, Finally Been Solved?

Over the past few days, the mathematics world has been abuzz over the news that Sir Michael Atiyah, the famous Fields Medalist and Abel Prize winner, claims to....

Paper-Based Electronics Could Fold, Biodegrade and Be the Basis for the Next Generation of Devices
From ACM Opinion

Paper-Based Electronics Could Fold, Biodegrade and Be the Basis for the Next Generation of Devices

It seems like every few months there's a new cellphone, laptop or tablet that is so exciting people line up around the block to get their hands on it.

In 1968, Computers Got Personal: How the 'Mother of All Demos' Changed the World
From ACM Opinion

In 1968, Computers Got Personal: How the 'Mother of All Demos' Changed the World

On a crisp California afternoon in early December 1968, a square-jawed, mild-mannered Stanford researcher named Douglas Engelbart took the stage at San Francisco's...

Why the Russians Might Hack the Boy Scouts Next
From ACM Opinion

Why the Russians Might Hack the Boy Scouts Next

In the two years since Russia made headlines for targeting an American political organization–the Democratic National Committee–and undermining Hillary Clinton's...

Ten Years of Large Hadron Collider Discoveries Are Just the Start of Decoding the Universe
From ACM Opinion

Ten Years of Large Hadron Collider Discoveries Are Just the Start of Decoding the Universe

Ten years! Ten years since the start of operations for the Large Hadron Collider (LHC), one of the most complex machines ever created.

How Will Google's Innovation Continue Beyond Its 20th Year?
From ACM Opinion

How Will Google's Innovation Continue Beyond Its 20th Year?

As millions of people came online in the late 1990s they needed help figuring out what each webpage was about, and how to find what they were looking for.

Math Shows How DNA Twists, Turns and Unzips
From ACM Opinion

Math Shows How DNA Twists, Turns and Unzips

If you've ever seen a picture of a DNA molecule, you probably saw it in its famous B-form: two strands coiling around each other in a right-handed fashion to form...

Detecting 'DeepFake' Videos in the Blink of an Eye
From ACM Opinion

Detecting 'DeepFake' Videos in the Blink of an Eye

A new form of misinformation is poised to spread through online communities as the 2018 midterm election campaigns heat up. Called "deepfakes" after the pseudonymous...

Programmers Need Ethics When Designing the Technologies that Influence People's Lives
From ACM Opinion

Programmers Need Ethics When Designing the Technologies that Influence People's Lives

Computing professionals are on the front lines of almost every aspect of the modern world.
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