Thursday, October 27, 2005

Cool Nanotechnology

There have been a couple of cool recent developments in the nanoscale machines:

Rice University scientists have created a "nanocar" consisting of a single molecule that makes up the axel, chassis and four wheels. The buckyball wheels have been shown to roll (rather than slide) over a gold surface. The entire car is 3-4 nanometers across, slightly wider than a strand of DNA, and 1/20,000 the width of a human hair.

UC Riverside scientists have created a nano-walker that moves by mimicking human walking. (Howard Lovy's Nanobot blog discusses an earlier DNA-based walker).

(note that each of the "balls" in the picture represents a single atom)

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