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By growing and characterizing over 1,400 samples, researchers have been able to identify the optimum reaction conditions and catalyst structure for the production of ultrahigh 'forests' of double-walled carbon nanotubes.
Can cutting edge science, applied to the very toughest and most persistent global problems, simultaneously involve and inspire the next generation of scientists?
It is now possible to prepare a semiconductor quantum dot that contains a single magnetic atom, and then add just one extra electron or 'hole' to it, opening up the possibility of a new era in spintronics.
The tobacco mosaic virus can be combined with metallic nanoparticles to make novel electronic memory elements. Are virus-based memory sticks just around the corner?
Controlling the friction between two moving surfaces — and possibly even reducing it to zero — is one of the outstanding challenges in modern tribology. Two recent discoveries may make this dream come true.
The proteins used as fluorescent markers in cellular imaging are only a few nanometres in size, yet the image resolution is typically diffraction-limited to one hundred times this scale. Now, a new strategy exists for imaging intracellular structure and dynamics with 10 nm resolution.
A new and scalable method for separating metallic from semiconducting carbon nanotubes will make for easier wiring of nanocircuits and lead to more reliable nanoelectronic devices.
