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Microtube with Built-In Pump

Rapid controlled transport of water droplets by sunlight-powered pump

19-Dec-2018

Driven by natural or artificial sunlight, a novel “microtube pump” transports water droplets over long distances. As reported by Chinese researchers in the Journal Angewandte Chemie, the pump consists of a tube whose properties can be changed asymmetrically through irradiation. This results in ...

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Giving atoms their marching orders

30-Jun-2015

Chemistry professor Linda Shimizu oversees a series of crowd-pleasing chemistry demonstrations in middle and high schools throughout central South Carolina every year. They are spirited affairs, and her research in the laboratory is just as dynamic -- but with a sense of order that really keeps ...

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Materials that climb up vibrating tubes

05-Apr-2013

Scientists have discovered a phenomenon whereby granular material climbs up a vertically vibrating tube that is partially inserted in a granular silo. The final height to which the material climbs is found to depend on the strength of the vibrations and the depth to which the tube is ...

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Süd-Chemie (Schweiz) to cease production at end of year

07-Oct-2010

The Administrative Board of Süd-Chemie (Schweiz) AG, Romont, after having carefully studied and discussed the proposals of the trade unions and the employees, has decided to close the company‘s production facility by the end of 2010 due to ongoing losses. The company is a joint venture between ...

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NIST nanofluidic 'multi-tool' separates and sizes nanoparticles

11-Aug-2010

A wrench or a screwdriver of a single size is useful for some jobs, but for a more complicated project, you need a set of tools of different sizes. Following this guiding principle, researchers at the National Institute of Standards and Technology (NIST) have engineered a nanoscale fluidic device ...

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Nanotubes pass acid test

Rice researchers' method untangles long tubes, clears hurdle toward armchair quantum wire

19-Jul-2010

Rice University scientists have found the "ultimate" solvent for all kinds of carbon nanotubes (CNTs), a breakthrough that brings the creation of a highly conductive quantum nanowire ever closer. Nanotubes have the frustrating habit of bundling, making them less useful than when they're separated ...

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Magnets trump metallics

Magnetic fields can block conductivity of carbon nanotubes

12-Jul-2010

Metallic carbon nanotubes show great promise for applications from microelectronics to power lines because of their ballistic transmission of electrons. But who knew magnets could stop those electrons in their tracks? Rice physicist Junichiro Kono and his team have been studying the ...

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Using carbon nanotubes in lithium batteries can dramatically improve energy capacity

New method produced up to ten fold increase in power

23-Jun-2010

Batteries might gain a boost in power capacity as a result of a new finding from researchers at MIT. They found that using carbon nanotubes for one of the battery's electrodes produced a significant increase — up to tenfold — in the amount of power it could deliver from a given weight of ...

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Nano-infused filters prove effective

Rice scientists build better catalyst with nanotube membranes

29-Apr-2010

Rice University researchers and their colleagues in Finland and Hungary have found a way to make carbon nanotube membranes that could find wide application as extra-fine air filters and as scaffolds for catalysts that speed chemical reactions. The results reported in the journal ACS Nano show ...

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Crystal defect shown to be key to making hollow nanotubes

27-Apr-2010

Scientists have no problem making a menagerie of nanometer-sized objects -- wires, tubes, belts, and even tree-like structures. What they sometimes have been unable to do is explain precisely how those objects form in the vapor and liquid cauldrons in which they are made. Now a team led by ...

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