The Nano Car

"To show that the nanocars actually roll around on their fullerene wheels, rather than slipping and sliding like a car on ice, the Rice team introduced the nanocars onto a flat gold surface. They found the nanocars were quite stable on the surface—remaining parked until the surface was heated above 170 °C—presumably because of strong adhesion between the fullerene wheels and the underlying gold.

Between 170 °C and 225 °C, the researchers observed that the nanocars moved around by translational motion and pivoting. The translational motion was always in a direction perpendicular to the nanocar’s axle, indicating that it moves by rolling rather than sliding."

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