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Des volcans jugés coupables pour l’extinction de masse du Trias

Des volcans jugés coupables pour l’extinction de masse du Trias | Sciences & Technology | Scoop.it
La Terre a perdu la moitié de ses espèces vivantes voilà 200 millions d’années, à la fin du Trias. Les coupables de cette extinction de masse viennent d’être identifiés.
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Hy-Cycle, le vélo qui carbure à l’hydrogène

Hy-Cycle, le vélo qui carbure à l’hydrogène | Sciences & Technology | Scoop.it
Hy-Cycle est un vélo innovant qui se distingue par son système de propulsion. Mis au point par des ingénieurs australiens, il carbure à l’hydrogène. Présenté comme une solution de mobilité urbaine, il constitue un moyen simple et écolo de se déplacer.
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How Intel's Edison Stacks Up Against Arduino And Raspberry Pi

How Intel's Edison Stacks Up Against Arduino And Raspberry Pi | Sciences & Technology | Scoop.it

"At long last, Intel has shipped its shipped its tiny Edison computer. Announced in January, this $50 module—which Intel insists on calling a "development platform"—is ready for your latest maker projects.


Intel has hinted at big plans for Edison; it clearly hopes to seed the device, or something like it, so widely that it might end up a standard for the still-emerging Internet of Things. For now, however, Intel is positioning Edison as a DIY device for makers and hobbyists, promising to "lower the barriers to entry for entrepreneurs of all sizes" by including specs for makers and a forum for showing off Edison-based projects. Indeed, the only places Edison is available for sale so far are hobby sites. (...)"

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Flying Robot Rockstars

"KMel Robotics presents a team of flying robots that have taken up new instruments to play some fresh songs. The hexrotors create music in ways never seen before, like playing a custom single string guitar hooked up to an electric guitar amp. Drums are hit using a deconstructed piano action. And there are bells. Lots of bells."

Terheck's insight:

Have you ever seen drones playing music? No?

check it out then!

 

More to see on http://kmelrobotics.com

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Microsoft vs Google – Who leads the artificial intelligence race?

Microsoft vs Google – Who leads the artificial intelligence race? | Sciences & Technology | Scoop.it

"AI is back. For the first time since the 1980's, artificial intelligence researchers are making tangible progress on hard problems, and people are starting to talk seriously about strong AI again.  In the mean time, our increasingly data-driven world has kicked off an arms race between companies  ..."


Via Leona Ungerer, juandoming
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Healable Supramolecular Polymers as Organic Metals - Journal of the American Chemical Society (ACS Publications)

Healable Supramolecular Polymers as Organic Metals - Journal of the American Chemical Society (ACS Publications) | Sciences & Technology | Scoop.it

"Organic materials exhibiting metallic behavior are promising for numerous applications ranging from printed nanocircuits to large area electronics. However, the optimization of electronic conduction in organic metals such as charge-transfer salts or doped conjugated polymers requires high crystallinity, which is detrimental to their processability. To overcome this problem, the combination of the electronic properties of metal-like materials with the mechanical properties of soft self-assembled systems is attractive but necessitates the absence of structural defects in a regular lattice (...)"

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Discover the Poppy Project, an Open-source humanoid platform

Discover the Poppy Project, an Open-source humanoid platform | Sciences & Technology | Scoop.it

The Poppy project aims at building an Open-source humanoid platform based on robust, flexible, easy-to-usehardware and software.
Designed by the Flowers Lab at Inria Bordeaux and Ensta ParisTech (France), its development aims at providing an affordable and hackable humanoid robot for science, education, art and geeks.


Via Jean-Philippe BOCQUENET
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These Mad Scientists Want to Replace Solar Panels With Potted Plants

These Mad Scientists Want to Replace Solar Panels With Potted Plants | Sciences & Technology | Scoop.it
Designer Fabienne Felder teamed up with Cambridge scientists to explore solar cells that use moss to generate electricity.

 

"Designer Fabienne Felder wants to reupholster jumbo jets with moss. In her vision, passengers will sit on verdant tufts while the bryophytes purify the air and use electrons captured during photosynthesis to power the Direct TV panels on the seat backs. Many would think Felder was crazy, but biochemist Dr. Paolo Bombelli and plant scientist Ross Dennis from the University of Cambridge were impressed with her brio and offered her the opportunity to collaborate (...)"

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Electrostatics do the trick: Simple model describes what happens between organic semiconductors and metals

Electrostatics do the trick: Simple model describes what happens between organic semiconductors and metals | Sciences & Technology | Scoop.it
Organic semiconductors allow for flexible displays, solar cells, and other applications. One common problem in these devices, however, is the interface between the metallic contacts and the organic semiconductor material, where undesirable losses occur. Now researchers have shown what these losses depend upon.

 

From :

Helmholtz-Zentrum Berlin für Materialien und Energie. "Electrostatics do the trick: Simple model describes what happens between organic semiconductors and metals." ScienceDaily. ScienceDaily, 23 June 2014. <www.sciencedaily.com/releases/2014/06/140623104257.htm>.

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En 2020, l'ordinateur sera très différent de celui d’aujourd’hui

En 2020, l'ordinateur sera très différent de celui d’aujourd’hui | Sciences & Technology | Scoop.it
Pour affronter les flux de données de l’Internet des Objets, les ordinateurs de demain devront être beaucoup plus puissants mais aussi beaucoup moins consommateurs d’énergie et bien plus denses. L’internet des objets et le Big Data vont multiplier par 5
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Daniel Morgenstern's curator insight, June 25, 3:20 AM

Les DataCenters consomment aujourd’hui près de 4% de la production énergétique mondiale. Si l’on conserve les mêmes technologies, cette consommation pourrait dépasser les 20% de la production énergétique mondiale au rythme où croit aujourd’hui la demande de puissance des traitements informatiques. ...

 

Deux vecteurs de recherche donnent une idée de ce que sera l'informatique dans 6 ans.

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Satellites, ballons, drones : les connexions Internet de demain

Satellites, ballons, drones : les connexions Internet de demain | Sciences & Technology | Scoop.it

"À l’heure où les connexions en fibre et la 4G sont sur toutes les lèvres dans l’hexagone, les utilisateurs assoiffés de vitesse s’échangent des données en centaines de mégabits, voire en gigabits par seconde. C'est oublier que dans certaines régions du monde, une connexion internet n’a rien de systématique. En 2013, il restait encore 61 % de la population mondiale à connecter à Internet. Mais il existe surtout une réelle fracture numérique entre les pays du Nord et ceux du Sud. Par exemple, seuls 16 % de la population africaine dispose d’un accès à Internet, contre 75 % des Européens (...)"

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25 Interesting STEM Experts Worth Following On Twitter

25 Interesting STEM Experts Worth Following On Twitter | Sciences & Technology | Scoop.it
Whether you’re a science teacher or not, education and the STEM subjects is a hot topic these days. From discussions about comparing test scores in STEM subjects with students around the globe to tracking the number of STEM based jobs and future graduates, there’s certainly a lot to discuss. There’s a lot of information out …
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Everything You Need To Know About Ethernet Cables

Everything You Need To Know About Ethernet Cables | Sciences & Technology | Scoop.it
I really hate WiFi, and you should too. If you own your own home or your landlord doesn't mind a few holes in the wall, running gigabit Ethernet around the house is the best thing you can do for a faster computing experience. But what's all this about Cat 6 or crossover cables? Here's everything…
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Experimental navigation system swaps satellites for quantum physics

Experimental navigation system swaps satellites for quantum physics | Sciences & Technology | Scoop.it

"GPS can be useful when you're trying to navigate to that hot new bar -- as long as your travels don't take you somewhere its signal can't reach. A new so-called quantum positioning system could pick things up when satellites fail, and help guide your way using super-cooled atoms. Aside from better directions, the solution might even make travel safer..."

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Sharp to mass-produce low-power mobile displays in 2017

"Sharp has set 2017 as its target for mass production of a new display it says will reduce power consumption in smartphones and tablets.

 

The MEMS-IGZO display, being developed under a 2012 tie-up with Qualcomm subsidiary Pixtronix, could be used in smartphones and tablets as well as larger displays.

 

Compared to current LCDs, MEMS-IGZO technology can operate without blurring the image in temperatures down to minus 30 C, offers better color purity and gamut, and has ultra-low power consumption (...)"

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Germanene: a novel two-dimensional germanium allotrope akin to graphene and silicene - IOPscience

Germanene: a novel two-dimensional germanium allotrope akin to graphene and silicene - IOPscience | Sciences & Technology | Scoop.it

"We have grown an atom-thin, ordered, two-dimensional multi-phase film in situ through germanium molecular beam epitaxy using a gold (111) surface as a substrate. (...)

 

After the successful synthesis of silicene in 2012, which was followed by a surge of studies on elemental, novel two-dimensional (2D) materials beyond graphene, a daunting quest was to obtain germanene, the germanium-based analogue of graphene, already predicted to possibly exist in 2009. Although its fully hydrogenated form, germanane, was fabricated using a wet chemistry method in 2013, germanene has remained elusive. Here we show compelling experimental and theoretical evidence of its synthesis by dry epitaxial growth on a gold (111) surface. (...)"

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Wolfram + Raspberry Pi Project: A Wolfram Engine on Every Raspberry Pi

Wolfram + Raspberry Pi Project: A Wolfram Engine on Every Raspberry Pi | Sciences & Technology | Scoop.it
A pilot release of the Wolfram Language and Mathematica is now available for every Raspberry Pi computer.

 

Learn more:

 

http://gustmees.wordpress.com/2014/08/24/coding-a-new-trend-in-education-and-a-big-responsibility/

 


Via Gust MEES
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Gust MEES's curator insight, September 6, 4:34 PM
A pilot release of the Wolfram Language and Mathematica is now available for every Raspberry Pi computer.


Learn more:


http://gustmees.wordpress.com/2014/08/24/coding-a-new-trend-in-education-and-a-big-responsibility/


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Highly conductive organic metal looks promising for disposable electronic devices

Highly conductive organic metal looks promising for disposable electronic devices | Sciences & Technology | Scoop.it

"(Phys.org) —Although organic materials are often used as semiconductors, such as in organic LEDs and organic transistors, organic materials that have an electrical conductivity as high as that of metals are still very scarce. One problem with developing organic metals is that there is a tradeoff in terms of their crystalline structure: a high crystallinity is required for high conductivity, but is detrimental to the materials' processability. (...)"

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Overview | Introducing the Raspberry Pi Model B+ | Adafruit Learning System

Overview | Introducing the Raspberry Pi Model B+ | Adafruit Learning System | Sciences & Technology | Scoop.it

"Yep, that's right, the fantastic engineers at Raspberry Pi HQ have blessed us with a new design. They've taken all the feedback over the last 3 years and rolled out a nice updated Pi with many fixes and extras...all at the same price! (...)"

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Faut-il craquer pour l'audio HD ? - Quel avantage par rapport au MP3 ?

Faut-il craquer pour l'audio HD ?  - Quel avantage par rapport au MP3 ? | Sciences & Technology | Scoop.it
Flac, Blu-Ray Pure Audio, lossless, 16 ou 24 bits, la rédaction de Tom's Guide vous explique tout sur le son sans perte et l'audio HD.
Terheck's insight:

Si vous aimez la musique et vous posez encore la question de l'intérêt des formats sans perte type FLAC par rapport au MP3, cette article devrait vous convaincre.

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How To Host A Website With Raspberry Pi

How To Host A Website With Raspberry Pi | Sciences & Technology | Scoop.it

"Running your own Web server is the ultimate mark of online independence—and it only need cost you $35.

 

Never underestimate the miniscule, $35 Raspberry Pi. Although it’s marketed as an experimental machine aimed at helping you learn to code, there’s nothing entry-level about its capabilities. 

In a pinch, you can even use your Raspberry Pi as a Web server. You can host a simple site or store files in the cloud so you can access them at any time—no monthly hosting fees, limited templates, or other barriers to your creativity (...)"

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NASA’s tiny 460GHz vacuum transistor that could one day replace silicon FETs | Nano Technology

NASA’s tiny 460GHz vacuum transistor that could one day replace silicon FETs | Nano Technology | Sciences & Technology | Scoop.it
Way back in the salad days of digital computing (the 1940s and '50s), computers were made of vacuum tubes -- big, hot, clunky devices that, when you got right down to it, were essentially glorified light bulbs. This is why early computers like the ENIAC weighed more than 27 tons and consumed more power than a small town. Later, obviously, vacuum tubes would be replaced by probably the greatest invention of all time -- the solid-state transistor -- which would allow for the creation of smaller, faster, cheaper, and more reliable computers. Fast forward to 2014, though, and the humble CMOS field-effect transistor (FET) is starting to show its age. We've pretty much hit the limit on shrinking silicon transistors any further, and they can't operate at speeds much faster than a few gigahertz. Which is why NASA's Ames Research Center is going back to the future with its new vacuum transistor -- a nanometer-scale vacuum tube that, in early testing, has reached speeds of up to 460GHz.

Via Gust MEES
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Diane Johnson's curator insight, June 25, 12:13 PM

Great engineering connections!

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Drones could recharge their batteries by perching on power lines like birds - Computer Business Review

Drones could recharge their batteries by perching on power lines like birds - Computer Business Review | Sciences & Technology | Scoop.it
The new technology could hugely benefit the development of delivery drones.

Via Thomas Faltin
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Meet VoLTE, The Future Of Phone Calls

The Next Big Thing for mobile phones will help out carriers and smartphone makers quite a bit. Consumers? Not so much.

 

If you haven't already, soon you're going to be hearing a lot about a new standard for making mobile phone calls: VoLTE. It stands for "voice over LTE," but what it really means is that before long, your voice calls are going to be transmitted across the airwaves using the same technology the Internet pioneered for data (...)

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Origami unfolds a new world of shape-shifting electronics

Origami unfolds a new world of shape-shifting electronics | Sciences & Technology | Scoop.it
Researchers are using the geometry of paper folding to come up with futuristic antennas that can retract and compress.

 

When talking about the intersection of art and science, Stavros Georgakopoulos likes to quote Albert Einstein, who once said, "I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge."...

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Un squelette vieux de 13 000 ans lève le voile sur l’origine des Amérindiens

Un squelette vieux de 13 000 ans lève le voile sur l’origine des Amérindiens | Sciences & Technology | Scoop.it
Des scientifiques ont découvert des restes d'une jeune femme dans une grotte sous-marine du sud du Mexique, et dont les analyses prouvent que les premiers Amérindiens sont venus d'Asie.
Terheck's insight:
Ancient Skeleton Of Teenage Girl, 'Naia,' Sheds Light On First Americans

link for english version: http://www.huffingtonpost.com/2014/05/16/ancient-skeleton-teenage-girl-naia_n_5332400.html?ir=Science&utm_campaign=051614&utm_medium=email&utm_source=Alert-science&utm_content=Photo

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