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82 Current news about the topic tubesrss
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Rapid controlled transport of water droplets by sunlight-powered pump
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 ...
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 ...
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 ...
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 ...
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 ...
Rice researchers' method untangles long tubes, clears hurdle toward armchair quantum wire
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 ...
Magnetic fields can block conductivity of carbon nanotubes
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 ...
New method produced up to ten fold increase in power
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 ...
Rice scientists build better catalyst with nanotube membranes
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 ...
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 ...