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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


From ACM News

Why Bitcoin Is Not As Anonymous As Most ­sers Think

People who use Bitcoin to ensure their purchases remain anonymous may want to reconsider their reliance on the online peer-to-peer currency, say researchers who...

From ACM TechNews

Computers Understand Hand-Waving Descriptions

A new gesture-based interface developed by the Hasso Plattner Institute's Christian Holz and Microsoft Research's Andy Wilson does not require users to memorize...

From ACM News

Robots ­se Kinect to ­nderstand Our World

Picture the scene, a few years from now. "Robot, fetch me that pillow over there," you say to your ever-willing butlerbot. "Certainly sir," it replies. "What's...

Buy Now or Wait For a Sale? Let the Computer Decide
From ACM TechNews

Buy Now or Wait For a Sale? Let the Computer Decide

Microsoft researchers have developed Prodcast, a tool that helps consumers decide whether to buy a new product now or wait for prices to fall.

Mining Social Networks to Predict Your App Choices
From ACM TechNews

Mining Social Networks to Predict Your App Choices

Researchers at the Massachusetts Institute of Technology's Media Lab have analyzed the smartphone use of students on social networks in an attempt to determine...

Protecting Protestors With Photos That Never Existed
From ACM TechNews

Protecting Protestors With Photos That Never Existed

In a response to protestors getting arrested for taking pictures of government-instigated violence, researchers have developed a method that uses graphics processors...

Interview with Key Lulzsec Hacker
From ACM News

Interview with Key Lulzsec Hacker

It was early May when LulzSec's profile skyrocketed after a hack on the giant Sony corporation. LulzSec's name comes from Lulz, a corruption of LOL, often denoting...

Autopiloted Glider Knows Where to Fly For a Free Ride
From ACM News

Autopiloted Glider Knows Where to Fly For a Free Ride

Hawks and albatrosses soar for hours or even days without having to land. Soon robotic gliders could go one better, soaring on winds and thermals indefinitely...

The Defenders: Inside an Online Siege
From ACM News

The Defenders: Inside an Online Siege

In a quiet, windowless auditorium in Bristol, in the west of England, Lucy Robson and her team hunch over their laptops as the seconds on a giant clock above...

Intel Anthropologist: Fieldwork with the Silicon Tribe
From ACM News

Intel Anthropologist: Fieldwork with the Silicon Tribe

Anthropologist Genevieve Bell gives the chip maker insight into how people experience new technologies.

Earthquake? Terrorist Bomb? Call in the AI
From ACM TechNews

Earthquake? Terrorist Bomb? Call in the AI

Durham University researchers are developing a training simulation system designed to help emergency services workers adapt to chaotic situations. The system takes...

From ACM News

Amusement Park Rides that Know When You're Scared

What would it feel like to ride on a roller-coaster that reacts to your emotional state? Visitors to amusement parks may soon be able to find out.

From ACM News

Covert Hard Drive Fragmentation Embeds a Spy's Secrets

Good news for spies. There is now a way to hide data on a hard drive without using encryption. Instead of using a cipher to scramble text, the method involves...

From ACM News

The Search Engine That Predicts What You Want

In the future the news will find you—at least according to Futureful, a Finnish startup building a predictive discovery iPad app that will deliver personalised...

From ACM News

Evolutionary Babel Was in Southern Africa

Where did humanity utter its first words? A new linguistic analysis attempts to rewrite the story of Babel by borrowing from the methods of genetic analysis—and...

Airborne Radar Will Map the Ground in 3D
From ACM TechNews

Airborne Radar Will Map the Ground in 3D

Aircraft radar will be capable of mapping landscapes and buildings in three dimensions (3D), making it easier to spot partly hidden objects on the ground, using...

From ACM News

Internet Probe Can Track You Down to Within 690 Metres

Online adverts could soon start stalking you. A new way of working out where you are by looking at your internet connection could pin down your current location...

From ACM News

Flying Robots Team ­p to Juggle

Our flying robot overlords seem to have a fun side after all. In this video, watch two quadrocopters team up to skillfully juggle a ball, thanks to software developed...

Surveillance Robots Know When to Hide
From ACM News

Surveillance Robots Know When to Hide

The spy approaches the target building under cover of darkness, taking a zigzag path to avoid well-lit areas and sentries. He selects a handy vantage point next...

AI Lie Detection Could Help Crack Terror Cells
From ACM News

AI Lie Detection Could Help Crack Terror Cells

In A bar in Maastricht University in the Netherlands, 12 students are each given an envelope marked "Top Secret." Inside are plans for a terror attack somewhere...
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