Self-Assembling Highly Conductive Plastic Nanofibers

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Artist’s impression based on a real atomic force microscopy (AFM) image showing conductive supramolecular fibers trapped between two gold electrodes spaced 100 nm apart. Each plastic fiber is composed of several short fibers and is capable of transporting electrical charges with the same efficiency as a metal.

Researchers from CNRS and the Université de Strasbourg, headed by Nicolas Giuseppone (1) and Bernard Doudin (2), have succeeded in making highly conductive plastic fibers that are only several nanometers thick. These nanowires, for which CNRS has filed a patent, “self-assemble” when triggered by a flash of light. Inexpensive and easy to handle, unlike carbon nanotubes (3), they combine the advantages of the two materials currently used to conduct electric current: metals and plastic organic polymers (4). In fact, their remarkable electrical properties are similar to those of metals.

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More drones taking to the skies in the U.S.

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The T-Hawk unmanned aerial vehicle from Honeywell.

The FBI and the Air Force have approval to fly drones.  But so does Herington, Kansas which has a population of 2,526 according to new documents that shed light on which government agencies are experimenting with the domestic use of unmanned aerial vehicles, also known as drones.

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Teacherless Education and the Competition that will Change Everything

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Nephew Mikaia showing Grandpa Norman what he knows

Futurist Thomas Frey: Over the past couple months I’ve become enamored with watching my two-year-old nephew Mikaia learn the letters of the alphabet, colors, and numbers. Even though he doesn’t have them all perfect, he’s scoring in the high 90% when we quiz him verbally.

Next up, the periodic table of elements?

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Ancient bacteria emerge from melting ice sheets

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Dr. Julie Palais (left), NSF-OPP Glaciology Program Manager, and Anais Orsi (right) inside a back-lit snow pit at WAIS Divide

Because of global warming, ice sheets in Antarctica are melting and ancient creatures, which have been trapped there for hundreds of thousands of years, are being released into the world.

A well-worn premise for a sci-fi movie? No, actually – it’s happening for real…

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‘Blackest’ solar cell ever absorbs 99.7% of all light

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Scientists create blackest silicon solar cell.

Scientists at Natcore Technology have created a black silicon solar cell with an average reflectance of 0.3%, making it the “blackest” solar cell ever designed. Natcore’s development offers a tenfold decrease in reflectance over the solar spectrum. The result is an increase in energy efficiency that could help solar power compete even more effectively with traditional fossil fuels.

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Carkoon – car seat that envelops your child in a Kevlar cocoon upon impact

[youtube]http://www.youtube.com/watch?v=LbmkGb5EH1c&hd=1[/youtube]

If you are worried about the safety rating of your child’s car seat maybe you should swaddle your child in a protective Kevlar cocoon. The Carkoon is a new child seat developed by British company Cool Technologies that wraps your child in protective Kevlar and a fireproof Nomex airbag upon impact. It even calls emergency services for you.

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Demand your personal data from Google and Facebook urges Tim Berners-Lee

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Tim Berners-Lee

Inventor of the world wide web, Tim Berners-Lee, has urged internet users to demand their personal data from online giants such as Google and Facebook to usher in a new era of highly personalized computer services “with tremendous potential to help humanity”.

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Scientific retractions increasing exponentially

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In an article in today’s New York Times, “A sharp rise in retractions prompts calls for reform,” Carl Zimmer documents and analyzes the sharp increase in the proportion of papers retracted in the scientific literature. From 2000-2009 the trend is disturbing (pictured above).

The article notes:

In October 2011, for example, the journal Nature reported that published retractions had increased tenfold over the past decade, while the number of published papers had increased by just 44 percent. In 2010 The Journal of Medical Ethics published a study finding the new raft of recent retractions was a mix of misconduct and honest scientific mistakes…
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