Communications of the ACM

The Communications Web site, http://cacm.acm.org, features more than a dozen bloggers in the BLOG@CACM community. In each issue of Communications, we'll publish selected posts or excerpts.

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A technology inspired by biological principles but 'steamrolled for decades' prepares to take off as Moore's Law approaches its long-anticipated end.

4D printing combines the dimension of time with the hope of building objects with new capabilities.

New techniques are designed to translate "invisible numbers" into visible images.

Leslie Lamport contributed to the theory and practice of building distributed computing systems that work as intended.

What lessons might we learn from the chip cards used for payments in Europe, now that the U.S. is adopting them too?

On vital and supporting systems.

Relying on dubious claims can cause researchers to focus on the wrong questions and organizations to misdirect security spending.

Computing technology has generated conditions for radical transformations of jobs and professions---including education. How shall we cope?

And the illogic of PDF.

Why business analytics and big data really matter for modern business organizations.

Looking at embedded DSLs.

"Mostly functional" programming does not work.

High-level DSLs for low-level programming.

EPIC helps assess cyberthreats against the cyber and physical dimensions of networked critical infrastructures.

How to use, and influence, consumer social communications to improve business performance, reputation, and profit.

These interactive applications let users perform, and thus preserve, traditional culture-defining crafts.

Atomically consistent memory services provide resiliency in dynamic settings.

We propose a novel representation of motion data and control of virtual characters that gives highly agile responses to user input and allows a natural handling of arbitrary external disturbances. In contrast to traditional approaches based on replaying ...

Last month (May 2014) we posted three puzzles in which you were asked to sort several cards using three stacks on a table; you were allowed to move the top card of one stack to the top of another (possibly empty) stack, with the object being to get all ...

Leslie Lamport on Byzantine generals, clocks, and other tools for reasoning about concurrent systems.