News tagged with information networks

Hi-fi single photons

Many quantum technologies—such as cryptography, quantum computing and quantum networks—hinge on the use of single photons. While she was at the Kastler Brossel Laboratory (affiliated with the Pierre and Marie Curie University, ...

Oct 04, 2012
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Facebook 'poke' gets out the vote

A single Facebook message on a congressional election day in 2010 prompted about a third of a million more Americans to cast their vote, scientists said on Wednesday.

Sep 12, 2012
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A new kind of pub crawl

Web­sites like Face­book, LinkedIn and other social-​​media net­works con­tain mas­sive amounts of valu­able public infor­ma­tion. Auto­mated web tools called web crawlers sift through these ...

Aug 24, 2012
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How wise are crowds?

The rise of the Internet has sparked a fascination with what The New Yorker’s financial writer James Surowiecki called, in a book of the same name, "The wisdom of crowds": The idea that aggregating or ave ...

Nov 17, 2010
4.8 / 5 (4) 8 | with audio podcast

How 'social contagion' begins and escalates

Understanding the roots of a global, contagious spread of online information may help better predict political revolutions, consumer behavior, box office revenues, public policy debates, and even public health ...

Apr 11, 2014
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Topological transitions in metamaterials

The ability to control the flow of electrons using engineered materials is fundamental to the information technology revolution, yet many properties of matter are still unclear. Now a University of Alberta researcher is closer ...

Apr 14, 2012
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Taking the pulse of the crowd

If everyone in the crowd at a sports event or concert or even the players had wireless heart monitors fitted, commentators and those behind the sound desk could get a real measure of the sense of the collective excitement ...

Apr 18, 2013
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