(R14): Atomic scale engines: Cars and wheels
M. Porto, M. Urbakh, and J. Klafter, Phys. Rev. Lett. 84, 6058-6061 (2000).
(Covered by Physics News Update No. 490 of June 22, 2000, and Nature Science Update of July 3, 2000)
You would like to see the engines at work? Have a look at the engine's page!
You might also be interested to read the Physics News Update No. 490, Story No. 1: `Atomic Scale Locomotives´ or Nature Science Update of July 3, 2000: `Fast forward´.