Linked from
The 16 pages that link to Scanning tunneling microscope, each with the reason it gives.
WavefunctionRelated: Its tunneling current depends on the electronic wavefunctions near a surface.
AtomRelated: It can image and manipulate individual atoms on suitable surfaces.
Atomic theoryRelated: It can image and manipulate individual atoms on suitable surfaces.
Wave functionRelated: Its measured current depends on electronic wave functions near the surface.
IBM ResearchRelated: IBM researchers Gerd Binnig and Heinrich Rohrer invented it at IBM Zurich.
Molecular electronicsRelated: Its tip can form a contact to a molecule and probe its conductance.
Gerd BinnigBroader topic: This is the instrument Binnig co-invented with Rohrer.