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183 Current news about the topic carbon nanotubes

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Carbon nanotubes grow in combustion flames

03-04-2014

Professor Stephan Irle of the Institute of Transformative Bio-Molecules (WPI-ITbM) at Nagoya University and co-workers at Kyoto University, Oak Ridge National Lab (ORNL), and Chinese research institutions have revealed through theoretical simulations that the molecular mechanism of carbon ...

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Nanotube coating helps shrink mass spectrometers

27-03-2014

Nanotechnology is advancing tools likened to Star Trek's "tricorder" that perform on-the-spot chemical analysis for a range of applications including medical testing, explosives detection and food safety. Researchers found that when paper used to collect a sample was coated with carbon nanotubes, ...

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Process to 'dope' carbon filaments

Engineers invent a process to 'dope' carbon filaments with an additive to improve their electronic performance, paving the way for digital devices that bend.

19-03-2014

Engineers would love to create flexible electronic devices, such as e-readers that could be folded to fit into a pocket. One approach they are trying involves designing circuits based on electronic fibers, known as carbon nanotubes (CNTs), instead of rigid silicon chips. But reliability is ...

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Bionic plants

18-03-2014

Plants have many valuable functions: They provide food and fuel, release the oxygen that we breathe, and add beauty to our surroundings. Now, a team of MIT researchers wants to make plants even more useful by augmenting them with nanomaterials that could enhance their energy production and give ...

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Microanalysis technique makes the most of small nanoparticle samples

26-02-2014

Researchers from the National Institute of Standards and Technology (NIST) and the Food and Drug Administration (FDA) have demonstrated that they can make sensitive chemical analyses of minute samples of nanoparticles by, essentially, roasting them on top of a quartz crystal. The NIST-developed ...

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Carbon nanotube fibers outperform copper

Tests show bundles beat traditional cables for transmitting electricity

18-02-2014

On a pound-per-pound basis, carbon nanotube-based fibers invented at Rice University have greater capacity to carry electrical current than copper cables of the same mass, according to new research. While individual nanotubes are capable of transmitting nearly 1,000 times more current than ...

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Molecular traffic jam makes water move faster through nanochannels

Researchers find the unusual movement of water molecules through carbon nanotubes explains their faster-than-expected travel times

10-02-2014

Cars inch forward slowly in traffic jams, but molecules, when jammed up, can move extremely fast. New research by Northwestern University researchers finds that water molecules traveling through tiny carbon nanotube pipes do not flow continuously but rather intermittently, like stop-and-go ...

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Solar-power device would use heat to enhance efficiency

New approach developed at MIT could generate power from sunlight efficiently and on demand

21-01-2014

A new approach to harvesting solar energy, developed by MIT researchers, could improve efficiency by using sunlight to heat a high-temperature material whose infrared radiation would then be collected by a conventional photovoltaic cell. This technique could also make it easier to store the ...

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Optimize carbon nanotube arrays for use in hot spots

Experimental evidence and computer simulations suggest how to grow structures with the best trade offs between 3 desired characteristics: strength, flexibility and the ability to dissipate heat

04-12-2013

When engineers design devices, they must often join together two materials that expand and contract at different rates as temperatures change. Such thermal differences can cause problems if, for instance, a semiconductor chip is plugged into a socket that can't expand and contract rapidly enough ...

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Nanotubes can solder themselves

27-11-2013

University of Illinois researchers have developed a way to heal gaps in wires too small for even the world’s tiniest soldering iron. Led by electrical and computer engineering professor Joseph Lyding and graduate student Jae Won Do, the Illinois team published its results in the journal Nano ...

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