On the cutting edge: Carbon nanotube cutlery

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Scanning electron micrograph of a prototype nanoknife shows a single carbon nanotube stretched between two tungsten needles. Triangular probe is the tip of an atomic force cantilever used to determine the breaking point of the knife. (Color added for ...
Scanning electron micrograph of a prototype 'nanoknife' shows a single carbon nanotube stretched between two tungsten needles. Triangular probe is the tip of an atomic force cantilever used to determine the breaking point of the knife. (Color added for clarity.) Credit: NIST/CU

Researchers at the National Institute of Standards and Technology and the University of Colorado at Boulder have designed a carbon nanotube knife that, in theory, would work like a tight-wire cheese slicer.


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