Spinning kilometers-long, multi-layered carbon nanotube yarns

Materials engineers are keen to exploit the outstanding mechanical properties of carbon nanotubes for applications in fibers, composites, fabrics and other larger-scale structures and devices. The ability to fabricate continuous, multifunctional yarns represents an important step in this direction. The development of a continuous, weavable multilayered CNT yarn with superior mechanical, structural, surface, and electrical properties would open the way for a wide range of structural and functional applications, including composites, intelligent fabrics, catalyst supports, and sensors. Researchers in China now demonstrate the fabrication of a novel continuous yarn of CNTs with a multiple-layer structure by a CVD spinning process. The yarn consists of multiple monolayers of CNTs concentrically assembled in seamless tubules along the yarn axis.

Magnetic liquid marbles as an alternative to microchannel-based fluidics

In contrast with microchannel-based fluidics, the manipulation of discrete droplets without using microfluidic channels is a new field. Here, a liquid droplet is not confined to a closed channel and there is no risk of being adsorbed on a channel wall. A liquid marble, a liquid encapsulated by non-wetting powder, could be a new microfluidic device, which is especially useful for handling single liquid droplet. One of the challenges for using liquid marbles as microfluidic devices is the communication between the liquid droplet and the external devices/materials. Researchers in Australia have been trying to develop 'field-responsive smart liquid marbles' which can be opened and closed reversibly on demand, such that the liquid in the marble can be easily taken and other liquid can also be added into the marble easily. The mechanically robust magnetic liquid marble, prepared by coating a water droplet with highly hydrophobic magnetite nanoparticles, can be actuated magnetically.

Synopsys to Acquire CoWare, Inc.

Synopsys, Inc., a world leader in software and IP for semiconductor design, verification and manufacturing, today announced it has signed a definitive agreement to acquire CoWare, Inc., a global supplier of software and services for electronic systems design.

A practical example of solving environmental problems utilizing nanotechnology

Carbon nanotubes are 'strange' nanostructures in a sense that they have both high mechanical strength and extreme flexibility. Deforming a carbon nanotube into any shape would not easily break the structure, and it recovers to original morphology in perfect manner. Researchers in China are exploiting this phenomenon by making CNT sponges consisting of a large amount of interconnected nanotubes, thus showing a combination of useful properties such as high porosity, super elasticity, robustness, and little weight. The nanotube sponges not only show exciting properties as a porous material but they also are very promising to be used practically in a short time. The production method is simple and scalable, the cost is low, and the sponges can find immediate use in many fields related to water purification.