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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.


Smallest Logic Circuit Fabricated With Single-Electron Transistors
From ACM TechNews

Smallest Logic Circuit Fabricated With Single-Electron Transistors

Researchers from South Korea, Japan, and the United Kingdom have fabricated a half-adder logic circuit using only five transistors.

Zoom In, Zoom Out
From Communications of the ACM

Zoom In, Zoom Out

Drilling down to more detail on a computer screen, or moving out to see the context, is basic. But it's hardly simple and, after 20 years, innovations are still...

Quantum Quests
From Communications of the ACM

Quantum Quests

Three breakthrough experiments involving photons have extended coherence times and indicated scalable production.

­ndisclosed Finding By Mars Rover Fuels Intrigue
From ACM News

­ndisclosed Finding By Mars Rover Fuels Intrigue

The Mars rover Curiosity has found something—something noteworthy, in a pinch of Martian sand. But what is it?

Want a Flying Drone? These Students 3D-Printed Their Own
From ACM Careers

Want a Flying Drone? These Students 3D-Printed Their Own

It was supposed to be a big moment for the two brothers—both University of Virginia engineering students—the culmination of months of designing and refining.

Putting More Cores to Work in Server Farms
From ACM TechNews

Putting More Cores to Work in Server Farms

Ecole Polytechnique Federale de Lausanne researchers, working in the EcoCloud research center, have found that reorganizing the inner architecture of the processors...

Engineers Pave the Way Towards 3-D Printing of Personal Electronics
From ACM TechNews

Engineers Pave the Way Towards 3-D Printing of Personal Electronics

University of Warwick researchers say they have developed a simple and inexpensive conductive plastic composite that can be used to produce electronic devices using...

How Google Plans to Find the ­ngoogleable
From ACM News

How Google Plans to Find the ­ngoogleable


In China, 25 Million People ­se Only Their Cell Phones to Read Books
From ACM Opinion

In China, 25 Million People ­se Only Their Cell Phones to Read Books

On vacation in China earlier this month, I stopped by Shanghai's seven-story downtown "Book City," bustling with activity on a weekday afternoon that, as a publisher...

Desperate, Hockey Fans Root For Virtual Team
From ACM News

Desperate, Hockey Fans Root For Virtual Team

Pat Hickey, who covered his first Montreal Canadiens game in 1968 for the now-defunct Montreal Star, and who has chronicled the team's exploits over the past 22...

Penn Researchers Make Flexible, Low-Voltage Circuits ­sing Nanocrystals
From ACM TechNews

Penn Researchers Make Flexible, Low-Voltage Circuits ­sing Nanocrystals

University of Pennsylvania researchers have shown that nanocrystals of the semiconductor cadmium selenide can be "printed" or "coated" on flexible plastic to create...

White House Moves on Cybersecurity
From ACM News

White House Moves on Cybersecurity

The White House's strategy on cybersecurity: Co-opt the opposition.

Security Flaw In Common Keycard Locks Exploited In String Of Hotel Room Break-Ins
From ACM News

Security Flaw In Common Keycard Locks Exploited In String Of Hotel Room Break-Ins

Whoever robbed Janet Wolf's hotel room did his work discreetly.

Risk of Robot ­prising Wiping Out Human Race to Be Studied
From ACM News

Risk of Robot ­prising Wiping Out Human Race to Be Studied

The Centre for the Study of Existential Risk will study dangers posed by biotechnology, artificial life, nanotechnology, and climate change.

Risk Profiling Software Tackles the Terrorist Threat
From ACM News

Risk Profiling Software Tackles the Terrorist Threat

The U.K. branch of an American company has developed a hi-tech software programme it believes can help detect and prevent potentially dangerous passengers and cargo...

Behind the Iron Dome: How Israel Stops Missiles
From ACM News

Behind the Iron Dome: How Israel Stops Missiles

The success of Israel's Iron Dome in shooting down missiles fired from Gaza has a lot to do with a company you've probably never heard of: MPrest Systems.

What Sinofsky's Departure Suggests About the Current State, and Likely Future, of Microsoft
From ACM Opinion

What Sinofsky's Departure Suggests About the Current State, and Likely Future, of Microsoft

Steven Sinofsky, president of Microsoft's Windows division, abruptly left the company on November 12, shortly after introducing the latest version of the company's...

Supercomputers Face Growing Resilience Problems
From ACM TechNews

Supercomputers Face Growing Resilience Problems

North Carolina State University researchers have developed software that runs in conjunction with the Message Passing Interface, a library for splitting applications...

China to ­nveil Homebrewed Chip in 2013
From ACM TechNews

China to ­nveil Homebrewed Chip in 2013

Longsoon Technology, which is partly funded by the Chinese Academy of Science, will share details about its Godson eight-core processor at the International Solid...

X-37b: Secrets of the ­.s. Military Spaceplane
From ACM News

X-37b: Secrets of the ­.s. Military Spaceplane

In the early morning of 16 June, 2012, a top-secret spaceplane made a picture-perfect landing at the Vandenberg Air Force Base in California.
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