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Robots take over

Researchers at the University of Miami discovered a global ecology of interacting robots that trade on global markets at speeds too fast for humans. These ultrafast algorithms create extreme events, such as crashes and spikes, in financial markets.

SourceUniversity of Miami·JournalScientific Reports·DateSep 11, 2013

Computer can infer rules of the forest

Researchers developed a computer algorithm that can infer the rules of complex systems by analyzing intermittent samples. By looking at relative changes in population updates, they uncovered an invariant geometry that relates to the hidden reactions driving the system.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateJul 25, 2013

Perfecting digital imaging

Researchers at Harvard University are developing new techniques to improve digital imaging, including a method to mimic the appearance of translucent objects and optimize screen hardware for adaptive displays. Their work has the potential to advance artificial vision, 3D displays, and video editing.

SourceHarvard University·JournalACM Transactions on Graphics·DateJul 23, 2013

Mapping a room in a snap

A team from EPFL has developed a computer algorithm that can create a 3D model of a simple room based on sound picked up by four microphones. The algorithm uses the differences in signal time to calculate distances between microphones, walls, and the sound source.

SourceEcole Polytechnique Fédérale de Lausanne·JournalProceedings of the National Academy of Sciences·DateJun 17, 2013

When friends create enemies

A University of Pittsburgh study found that hackers can identify over 60% of a target's private friends through the mutual-friends feature on Facebook. This can lead to inferring personal information, such as political affiliations or embarrassing details.

SourceUniversity of Pittsburgh·JournalComputers & Security·DateMay 30, 2013

Shifting the burden of recycling

The Yale Journal of Industrial Ecology examines the impact of Extended Producer Responsibility (EPR) on e-waste recycling. Researchers assess the use of RFID technology, EPR adoption in developing countries, and producer take-back organizations to improve recyclability.

SourceYale School of the Environment·JournalJournal of Industrial Ecology·DateApr 30, 2013

'Metasurfaces' to usher in new optical technologies

Researchers have developed metasurfaces that can manipulate and control light, enabling new optical technologies with applications in solar cells, computers, and telecommunications. The technology uses metamaterials to harness surface plasmons and reduce the size of photons, promising breakthroughs in nanophotonic devices.

SourcePurdue University·JournalScience·DateMar 14, 2013

Computerized 'Rosetta Stone' reconstructs ancient languages

Researchers have developed a sophisticated tool to reconstruct protolanguages, the precursors of modern languages, with high accuracy. The system analyzes sound changes at the phonetic level and has been applied to 142,000 word forms from 637 Austronesian languages, producing results that are 85% accurate compared to manual reconstruct...

SourceUniversity of British Columbia·JournalProceedings of the National Academy of Sciences·DateFeb 11, 2013

Pitt/UPMC team describes findings from BCI study in spinal cord-injured man in PLoS One

Researchers at Pitt/UPMC successfully used brain-computer interface (BCI) technology to enable a paralyzed man to control a computer cursor and robot arm with his thoughts. The study, published in PLoS ONE, demonstrates the potential for BCI technology to help individuals regain independence after spinal cord injuries.

Social network use reflects East-West disparity

A new study by Michigan State University found that US citizens spend nearly twice as much time on social networking sites (52 minutes/day) compared to Chinese participants (28 minutes/day). In contrast, Chinese participants rarely use these sites, with only 4% of them using them regularly.

SourceMichigan State University·JournalComputers in Human Behavior·DateFeb 7, 2013

Flexible classroom design saves money, improves flexibility, accessibility of instruction

Researchers at North Carolina State University developed a flexible classroom design that slashes administrative costs while improving engagement and accessibility for students. The design allows instructors to adjust the layout according to student needs, making it easier for students with special needs to participate.

SourceNorth Carolina State University·JournalComputers and Composition·DateFeb 5, 2013

Surgeons may use hand gestures to manipulate MRI images in OR

Researchers developed a system using depth-sensing cameras and algorithms to recognize hand gestures as commands for medical image manipulation. The system reduced false positives from 20.8% to 2.3% and achieved a mean accuracy of 93%, improving surgery efficiency and reducing infection risk.

SourcePurdue University·JournalJournal of the American Medical Informatics Association·DateJan 10, 2013