Nano-sized letters are one thing, but nothing impresses the nanotechnology community like creepy crawly nanotech, and some researchers from Rice University look to have fully delivered on that point with their latest so-called "nanocar." At about two nanometers in length, the new nanocar apparently doesn't represent a drastic reduction in size over the previous incarnation, but it does have the notable advantage of being able to "travel" across surfaces at room temperature (a temperature of 200° Celsius was required before). Interestingly, that breakthrough was actually discovered by accident, and was later able to be confirmed using a mix of time-lapse photography and a new tracking algorithm. As you might have guessed, however, they're still quite a ways away from being able to actually control the car, although the researchers say using six wheels instead of four could help with that, as could tracks to keep 'em going in one direction.

[Via DailyTech]

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Rice University rolls out new and improved "nanocar"