Meyya Meyyappan of the NASA Ames Research Center and speaker at Metromeet 2009,  picks out some of his favourite papers from Nanotechnology . This year marks the 20th volume of Nanotechnology, the first journal dedicated to the emerging field of nanoscale science and technology, pre-empting the US National Nanotechnology Initiative (NNI) by ten years.

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From the motion sensor to the computer chip – in many products of daily life components are used whose functioning is based on smallest structures of the size of thousandths – or even millionths – of millimetres. These micro and nano structures must be manufactured and assembled with the highest precision so that in the end, the overall system will function smoothly. (more…)

Scientists in the US have copied the way the retina sends electrical signals to the brain in order to construct nanoscale colour detectors. The devices, composed of carbon nanotubes decorated with photosensitive molecules, can detect very weak sources of visible light at specific wavelengths and could have applications in astronomy and biology. (more…)

Slowing light down to one-hundredth of its normal speed using photonic crystal cavities shows promise for making all-optical circuits. (more…)