STM invented
Scanning Tunnelling Microscopy (STM) allows scientists to ‘see’ and manipulate individual atoms.

The image above is based on the "corral" STM images from the IBM Almaden Research Center Visualisation Lab, STM Gallery



Further info :

Dept. of Physics and Astronomy, E.C.Stoner Laboratory, University of Leeds

Scanning Tunnelling Microscopy
http://www.stoner.leeds.ac.uk/techniques/stm.htm