Researchers in Singapore have invented a molecular gear of the size of 1.2nm whose rotation can be deliberately controlled. (Credit: A*STAR Institute of Materials Research and Engineering (IMRE), Singapore)From Science Daily:
ScienceDaily (June 22, 2009) — Scientists from A*STAR’s Institute of Materials Research and Engineering (IMRE), led by Professor Christian Joachim,* have scored a breakthrough in nanotechnology by becoming the first in the world to invent a molecular gear of the size of 1.2nm whose rotation can be deliberately controlled. This achievement marks a radical shift in the scientific progress of molecular machines and is published on 14 June 20009 in Nature Materials.
Said Prof Joachim, “Making a gear the size of a few atoms is one thing, but being able to deliberately control its motions and actions is something else altogether. What we’ve done at IMRE is to create a truly complete working gear that will be the fundamental piece in creating more complex molecular machines that are no bigger than a grain of sand.”
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