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Nanotechnology's potential might be unleashed by hyperbranched polymers

Hyperbranched polymers have already been used to develop materials such as resins and wood coatings with improved durability and resistance to abrasion. These exploit the fact that molecules with multiple branches tend to cling together more strongly, making them resistant to wear. But hyperbranched polymers also have other properties, such as low viscosity, which makes them suitable for applications such as flexible electronic displays.

Posted: Oct 24th, 2008

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How to switch an organic superconductor into an insulator

Scientists at the RIKEN Advanced Science Institute, Wako, Saitama University, Saitama, and the National Institute of Advanced Industrial Science and Technology, Tsukuba, have demonstrated that an organic film can be switched from being a superconductor to an insulator through the proper choice of substrate.

Posted: Oct 24th, 2008

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A toolkit for silicon-based quantum computing

How does one make and measure a qubit? The problem has engaged scientists for years. Many arrangements have been proposed and some demonstrated, each with its advantages and disadvantages, including tricky schemes involving superconducting tunnel junctions, quantum dots, neutral atoms in optical lattices, trapped ions probed by lasers, and so on.

Posted: Oct 23rd, 2008

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