Mirrors http://www.si.edu/siphotos/science-nature/sem.gif in compliance with Smithsonian Institution rules

At the operator's left is the SEM column. Cables in the white tube curling to the top bring power to the electron gun--essentially the same device found in a CRT.

The operator's left hand is manipulating a ``stage,'' a mechanism for adjusting the location and orientation of the sample.

The operator is not looking at her left hand because there's nothing to see there. Before her on the console is a scanned image.

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