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Light unbound: Data limits could vanish with new optical antennas

Researchers at the University of California, Berkeley, have found a new way to harness properties of light waves that can radically increase the amount of data they carry. The new work throws wide open the amount of information that can be multiplexed, or simultaneously transmitted, by a coherent light source. ....

United States , Babak Bahari , Aboubacar Kant , University Of California , Uc Berkeley Department Of Electrical Engineering , Berkeley Lab Laboratory Directed Research , Office Of Naval Research , Development Program , Computer Sciences , National Science Foundation , Nature Physics , Chenming Hu Associate Professor , Electrical Engineering , Materials Sciences Division , Lawrence Berkeley National Laboratory , Berkeley Lab , Naval Research , Laboratory Directed Research , Technology Engineering Computer Science , Computer Science , Electrical Engineering Electronics , ஒன்றுபட்டது மாநிலங்களில் , பாபக் பஹாரி , பல்கலைக்கழகம் ஆஃப் கலிஃபோர்னியா , அக் பெர்க்லி துறை ஆஃப் மின் பொறியியல் , பெர்க்லி ஆய்வகம் ஆய்வகம் இயக்கியது ஆராய்ச்சி ,

Weakness is strength for this low-temperature battery

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Nanoengineers at the University of California San Diego have discovered new fundamental insights for developing lithium metal batteries that perform well at ultra-low temperatures; mainly, that the weaker the electrolyte holds on to lithium ions, the better. By using such a weakly binding electrolyte, the researchers developed a lithium metal battery that can be repeatedly recharged at temperatures as low as -60 degrees Celsius a first in the field.
Researchers report their work in a paper published Feb. 25 in
Nature Energy.
In tests, the proof-of-concept battery retained 84% and 76% of its capacity over 50 cycles at -40 and -60 degrees Celsius, respectively. Such performance is unprecedented, researchers said. ....

John Holoubek , Zheng Chen , University Of California San Diego , Nature Energy , Space Technology Graduate Research Opportunity , Uc San Diego Jacobs School Of Engineering , Us Department Of Energy , California San Diego , Ping Liu , Tod Pascal Presents , Diego Jacobs School , Electrolyte Solvation , Ultra Low Temperature , Technology Graduate Research Opportunity , Chemistry Physics Materials Sciences , Energy Fuel Non Petroleum , Technology Engineering Computer Science , Nanotechnology Micromachines , ஜெங் சென் , பல்கலைக்கழகம் ஆஃப் கலிஃபோர்னியா சான் டியாகோ , இயற்கை ஆற்றல் , இடம் தொழில்நுட்பம் பட்டதாரி ஆராய்ச்சி வாய்ப்பு , அக் சான் டியாகோ ஜாகோப்ஸ் பள்ளி ஆஃப் பொறியியல் , எங்களுக்கு துறை ஆஃப் ஆற்றல் , கலிஃபோர்னியா சான் டியாகோ , பிங் லியூ ,

A new prototype of an intelligent underground robotic system for urban environments

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IMAGE: Badger, a three-metre-long drilling robot consisting of a drilling head, two clamping modules and two propulsion and steering modules.
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Credit: UC3M
This robotic system is composed of two main elements: a surface vehicle with a geo-radar that is used to scan the ground, so that subterranean obstacles can be detected; and an autonomous underground robot that does the drilling work. Once the subsoil has been scanned by the rover, using a software developed as part of the project, a work plan is drawn up and an entry and exit point for the work to be carried out is established. The next task consists of taking the robot to the place where the work will be carried out and using it to drill from one point to another , explains the BADGER project s technical manager, Santiago Martínez de la Casa, researcher at the RoboticsLab in the UC3M s Department of Systems Engineering and Automation. ....

United States , United Kingdom , Carlos Balaguer , University Of Glasgow Scotland , European Union Framework Programme For Research , Gmbh Co Kg Germany , Community Of Madrid , Technological Development , School Of Engineering , Centre For Research , M Department Of Systems Engineering , Santiago Mart , Systems Engineering , European Union , Framework Programme , Professor Balaguer , Robotnik Automation , Technology Engineering Computer Science , Mechanical Engineering , Robotry Artificial Intelligence , Technology Transfer , ஒன்றுபட்டது மாநிலங்களில் , ஒன்றுபட்டது கிஂக்டம் , கார்லோஸ் பாலேக்கர் , பல்கலைக்கழகம் ஆஃப் கிளாஸ்கோ ஸ்காட்லாந்து , ஐரோப்பிய தொழிற்சங்கம் கட்டமைப்பு ப்ரோக்ராம் க்கு ஆராய்ச்சி ,

AI identifies social bias trends in Bollywood, Hollywood movies

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PITTSBURGH Babies whose births were depicted in Bollywood films from the 1950s and 60s were more often than not boys; in today s films, boy and girl newborns are about evenly split. In the 50s and 60s, dowries were socially acceptable; today, not so much. And Bollywood s conception of beauty has remained consistent through the years: beautiful women have fair skin.
Fans and critics of Bollywood the popular name for a $2.1 billion film industry centered in Mumbai, India might have some inkling of all this, particularly as movies often reflect changes in the culture. But these insights came via an automated computer analysis designed by Carnegie Mellon University computer scientists. ....

United States , Tom Mitchell , Kunal Khadilkar , Ashiqurr Khudabukhsh , Carnegie Mellon University , School Of Computer Science , Founders University Professor , Language Technologies Institute , Association For The Advancement Of Artificial Intelligence , Technologies Institute , Computer Science , Male Pronoun Ratio , Google Books , Artificial Intelligence , Mathematics Statistics , Algorithms Models , Arts Culture , Language Linguistics Speech , Mass Media , Technology Engineering Computer Science , ஒன்றுபட்டது மாநிலங்களில் , டோம் மிட்செல் , குணால் காதில்கர் , கார்னகி மெலந் பல்கலைக்கழகம் , பள்ளி ஆஃப் கணினி அறிவியல் , நிறுவனர்கள் பல்கலைக்கழகம் ப்ரொஃபெஸர் ,

UVA Engineering professor Sebastian Elbaum named IEEE Fellow

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CHARLOTTESVILLE, Va. - Sebastian Elbaum, Anita Jones Professor of Computer Science at the University of Virginia School of Engineering, has been named an Institute of Electrical and Electronics Engineers Fellow in recognition of his contributions of testing techniques for evolving systems.
The institute s board of directors annually awards the designation to those who have contributed to the advancement or application of engineering, bringing significant value to society. Fellow is the highest level of membership and is recognized by the technical community as an important career achievement. Less than 1% of the institute s membership earn the honor.
Elbaum earned his bachelor s in systems engineering from the Universidad Catolica de Cordoba, Argentina, in 1995. In 1997 and 1999, respectively, he earned a master s and Ph.D. in computer science from the University of Idaho. ....

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