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Sciences & Technology
Veille sur les évolutions des sciences et des technologies
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La France a, plus que jamais, besoin de scientifiques et techniciens

TECHNO - Connaître les risques et permettre un débat citoyen et public sur les enjeux des sciences et techniques est une bonne chose. Il n'y a pas pire obscurantiste que celui qui voudrait imposer le fait scientifique par un acte d'autorité.
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How Researchers Map The Future Of Innovation

How Researchers Map The Future Of Innovation | Sciences & Technology | Scoop.it
The head of Microsoft Research Peter Lee on how the trials and tribulations of artificial intelligence demonstrate how researchers create the future.
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Library@NYP's curator insight, October 26, 2013 9:10 AM

Today's technological world can be credited to the many innovations which researchers took many  years to  develop - be it smartphones, tablets,  sensors, 3D gaming, wireless networks, and so on. In this interesting article, you can learn about the Four Quadrant model of technological research that many organizations have used in their innovations and research journey.

Rescooped by Terheck from Digital Delights - Avatars, Virtual Worlds, Gamification
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The Rapid Advance of Artificial Intelligence

The Rapid Advance of Artificial Intelligence | Sciences & Technology | Scoop.it
Scientists and engineers are creating a world in which cars drive themselves, machines recognize people and humanoid robots travel unattended.

Via Ana Cristina Pratas
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Carlos Fosca's curator insight, November 2, 2013 3:07 PM

"The growing power of computer vision is a crucial first step for the next generation of computing, robotic and artificial intelligence systems. Once machines can identify objects and understand their environments, they can be freed to move around in the world. And once robots become mobile they will be increasingly capable of extending the reach of humans or replacing them."

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Le MIT invente des cubes robotiques et modulaires

Le MIT invente des cubes robotiques et modulaires | Sciences & Technology | Scoop.it
Imaginez une petite colonie de robots cubiques capables de sauter et de monter sur eux-mêmes pour changer de forme en fonction de l’environnement. Telle est la dernière invention des chercheurs du MIT.
Terheck's insight:

A stunning video of these cubes on Youtube : http://youtu.be/mOqjFa4RskA

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Nobel Prize For Physics 2013

Nobel Prize For Physics 2013 | Sciences & Technology | Scoop.it
Francois Englert and Peter W. Higgs won the 2013 Nobel Prize For Physics on Tuesday for their research into the Higgs boson particle, nicknamed the "God particle."
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Jimmy, le robot open-source imprimé en 3D

Jimmy, le robot open-source imprimé en 3D | Sciences & Technology | Scoop.it
Le robot du 21ème siècle sera open-source et conçu uniquement à partir de l’impression 3D. En partant de ce principe, un chercheur d’Intel a développé le prototype de Jimmy.
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Hubert Reeves ausculte la crise écologique en sondant l'univers et l'humanité

Hubert Reeves ausculte la crise écologique en sondant l'univers et l'humanité | Sciences & Technology | Scoop.it
Le célèbre astrophysicien vient de sortir un nouvel ouvrage pour tenter de réconcilier la belle histoire du cosmos avec la moins belle histoire d'Homo sapiens...

Via Hubert MESSMER @Zehub on Twitter, Dominique VOLPE
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Ecosse : lancement du plus grand parc d’hydroliennes en Europe - Magazine GoodPlanet Info

Ecosse : lancement du plus grand parc d’hydroliennes en Europe - Magazine GoodPlanet Info | Sciences & Technology | Scoop.it
Le gouvernement écossais a délivré ce lundi son permis de construire au plus parc d’hydroliennes d’Europe qui sera construit au nord du pays et pourra fournir en électricité 40 000 foyers.
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How to Convert a Computer ATX Power Supply to a Lab Power Supply

How to Convert a Computer ATX Power Supply to a Lab Power Supply | Sciences & Technology | Scoop.it
Computer power supplies cost around US$30, but lab power supplies can run you $100 or more! By converting the cheap (free) ATX power supplies that can be found in any discarded computer, you can get a phenomenal lab power supply with huge...

Via sti2d_Laurent
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A nice way to use an old power supply, but be carefull.

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Antarctique : les plateaux de glace fondent aussi par dessous

Antarctique : les plateaux de glace fondent aussi par dessous | Sciences & Technology | Scoop.it
Les plateaux de glace de l'Antarctique perdent plus de glace que prévu par leur surface inférieure, immergée dans l'eau.

Via LeJournaldelaScience
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Electronics group to emphasize high-resolution music

Electronics group to emphasize high-resolution music | Sciences & Technology | Scoop.it

"Device makers and music companies plan to re-emphasize the benefits of better-than-CD sounding high-resolution music.[...]

 

High-resolution audio is among the categories that the Consumer Electronics Association plans to promote at the 2014 Consumer Electronics Show, scheduled for Jan. 7-10 next year in Las Vegas. In an announcement out today supporting "expanded" support for high-res audio, the CEA listed included device makers Sony Electronics, AudioQuest and iRiver, along with music labels such as Warner and Universal.

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OpenFab: A Programmable Pipeline for Multi-Material Fabrication

OpenFab: A Programmable Pipeline for Multi-Material Fabrication | Sciences & Technology | Scoop.it

"3D printing hardware is rapidly scaling up to output continuous mixtures of multiple materials at increasing resolution over ever larger print volumes. This poses an enormous computational challenge: large high-resolution prints comprise trillions of voxels and petabytes of data and simply modeling and describing the input with spatially varying material mixtures at this scale is challenging. Existing 3D printing software is insufficient; in particular, most software is designed to support only a few million primitives, with discrete material choices per object..."

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PHOTOS: All 16 Nobel-Winning Women Scientists

PHOTOS: All 16 Nobel-Winning Women Scientists | Sciences & Technology | Scoop.it

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"Women make up a bit more than half of the world’s population, yet even in the most developed countries, men hold the lion's share of jobs in STEM (science, technology, engineering, and mathematics) fields. What's more, men take home most of the prestigious scientific awards. That includes the Nobel Prizes, widely considered the ultimate mark of scientific achievement.

 

Of the 357 people awarded a Nobel in the science categories — Physics, Chemistry, Physiology or Medicine, and Economic Sciences — only 16 have been women (see slideshow below).

 

What accounts for this discrepancy?..."

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Avoir trop de sucre dans le sang serait lié à des problèmes de mémoire

Avoir trop de sucre dans le sang serait lié à des problèmes de mémoire | Sciences & Technology | Scoop.it
S'il est connu que les taux élevés de sucre dans le sang des diabétiques sont corrélés à des problèmes de mémoire, une nouvelle étude révèle que ce phénomène pourrait aussi concerner les personnes don...

Via LeJournaldelaScience
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Poppy, a 3D-printed humanoid robot that defies conventions | GizMag.com

Poppy, a 3D-printed humanoid robot that defies conventions | GizMag.com | Sciences & Technology | Scoop.it

A new 3D-printed robot called Poppy is helping a team of French researchers study bipedal walking and human-robot interaction. They were able to design, fabricate, and assemble a relatively large robot for around €8,000 (US$11,000) including servo motors and electronics. That's about a third the cost of commercial robots in the same size category like the RQ-TITAN, and is still cheaper than smaller humanoids like the Aldebaran Robotics NAO. And best of all, they plan to make their design open source.

 

One of the ways they managed to keep the cost down is by using lightweight materials, which means the robot requires less powerful (and cheaper) servo motors. Standing 84 cm (33 in) tall, Poppy weighs in at just 3.5 kg (7.7 lb). The Sony QRIO, by comparison, was 26 cm (10 in) shorter yet it weighed twice as much. Still, most of the cost lies in the robot's 25 servo motors: it utilizes 21 high-end Robotis Dynamixel MX-28s, two MX-64s, and two AX-12s. It's powered by a Raspberry Pi, and is equipped with 16 force-sensing resistors, two HD cameras, a stereo microphone, and an inertial measurement unit. Poppy's "face" is an LCD screen which can be used to show emotions (or to debug).

 

Click headline to read more, view pix and watch video--


Via Chuck Sherwood, Senior Associate, TeleDimensions, Inc
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Seven Ways 3D Lidar Is Transforming Our Physical World

Seven Ways 3D Lidar Is Transforming Our Physical World | Sciences & Technology | Scoop.it

"Picture a technology that creates perfect 3D replicas used for archeological discovery, crime-scene investigation and virtual-reality entertainment—and I'm not talking about the Enterprise Holodeck. Far from science fiction, it already exists and it's called lidar..."

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US government shutdown puts Antarctica penguin study on ice

US government shutdown puts Antarctica penguin study on ice | Sciences & Technology | Scoop.it
National Science Foundation announced Tuesday that it is putting its three Antarctic scientific stations in deep freeze
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'Higgsogenesis' proposed to explain dark matter

'Higgsogenesis' proposed to explain dark matter | Sciences & Technology | Scoop.it
Interactions of Higgs bosons and anti-Higgs in early Universe may also have caused asymmetry between matter and antimatter.

[...] Two physicists suggest that the Higgs had a key role in the early Universe, producing the observed difference between the number of matter and antimatter particles and determining the density of the mysterious dark matter that makes up five-sixths of the matter in the Universe.

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Changes Approved For 19 Chemical Elements

Changes Approved For 19 Chemical Elements | Sciences & Technology | Scoop.it
Nineteen elements on the periodic table — including gold, cadmium, arsenic and aluminum — are getting their atomic weights adjusted.
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Energie solaire: "record mondial" d'efficacité d'une cellule - Magazine GoodPlanet Info

Energie solaire: "record mondial" d'efficacité d'une cellule - Magazine GoodPlanet Info | Sciences & Technology | Scoop.it
Une équipe scientifique germano-française, incluant le groupe Soitec, a annoncé mardi avoir battu un nouveau "record" d'efficacité d'une cellule solaire, une "étape importante" pour une meilleure exploitation de l'énergie du soleil.
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i3 It is Innovation July/August 2013

i3 It is Innovation July/August 2013 | Sciences & Technology | Scoop.it

"Our fall issue of i3 is loaded with information on the latest technologies. Ultra High-Definition (Ultra HD) is an astonishing technology that is deeply changing the consumer video ecosystem. i3 talks with Chris Cookson, president of Sony Pictures Technologies for his view on where the market is headed. What’s more, CEA’s new report Ultra High-Definition – State of the Industry forecasts that these sets will pass the one million unit mark in 2015."

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Freak Space Weather Wreaks Havoc On Satellites

Freak Space Weather Wreaks Havoc On Satellites | Sciences & Technology | Scoop.it
High-speed eruptions of charged particles from the sun may be to blame for recent failures of satellites that people rely on to watch TV and use the Internet, scientists say.
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Sodium-ion battery cathode has highest energy density to date

Sodium-ion battery cathode has highest energy density to date | Sciences & Technology | Scoop.it
(Phys.org) —Although sodium-ion (Na-ion) batteries don't perform as well as lithium-ion (Li-ion) batteries, they have the potential to be a cheaper alternative.
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The Inside Story Of The World's Biggest 'Battery' And The Future Of Renewable Energy | CleanTechnica

The Inside Story Of The World's Biggest 'Battery' And The Future Of Renewable Energy | CleanTechnica | Sciences & Technology | Scoop.it

The largest battery in the world has sat quietly in George Washington National Forest along the Virginia-West Virginia border for nearly 30 years. A five-hour drive from the nation’s capital, it sits in the middle of the Appalachians, tucked behind the Blue Ridge Mountains.

 

Very few people in the urban areas that benefit from its power know of its existence, let alone its purpose. Talk to people that live and work a few miles away in Warm Springs, Virginia, and some will have a vague awareness but will readily admit that they don’t spare a thought for how electricity gets to their outlets. Dan Gessler, who works for Dominion Power, the company that operates the facility, put it simply: “I think the vast majority of the public doesn’t even know it exists, it’s up here in the middle of nowhere out in the mountains.”

 

The Bath County Hydro Pumped Storage Facility is not really a battery in the common sense of the term, but it is the largest pumped storage facility in the world. It stores a lot of energy, which helps 60 million people in 13 states (and DC) served by the regional transmission organization, PJM Interconnection. Quite often when someone in that huge area comes home from work and turns on the lights or switches on the TV, some of those electrons flowing down the power lines are coming from two lakes on a mountain in rural Virginia.

 

When Sean Fridley, the facility’s Station Manager, looks at the Upper Reservoir perched a thousand feet above his office, he doesn’t see drops of water. He sees a thousands-of-megawatts-deep block of power, a huge amount of stored potential energy — with more output than the Hoover Dam — that he can turn on with a flick of a switch.

 

“It’s one of the biggest engineering projects, ever,” Fridley said. “The machinery is huge.”

 

But can such a massive “battery” be drained by climate-fueled drought?

 

Click headline to read more--


Via Chuck Sherwood, Senior Associate, TeleDimensions, Inc
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Martin Jetpack

Martin Aicraft Company has been approached by over 2500 individuals interested in buying a Jetpack. In addition we have expressions of interest for over 3000...


Via Guillaume Decugis
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Guillaume Decugis's curator insight, August 21, 2013 5:08 AM
Motorcycles are so last century. This is what I need.