Ideas Clinic-Scanning Tunneling Microscope

I was visiting my colleagues in the Engineering Ideas Clinic the other day, to discuss a design-fabricate-test project for a heat exchanger that we’re working on for Chemical Engineering students.  The basic concept for the Ideas Clinic is that students can do hands-on activities requiring engineering design, some fabrication and assembly, and some performance testing, part of our experiential learning philosophy.  A bunch of activities have been developed over the past few years, and many more are in development to take advantage of new space available in our Engineering 7 building,  opening soon.

One activity they previewed for me was the building of a desktop Scanning Tunneling Microscope for imaging surfaces at the atomic scale.  The video below shows the basic principle of an STM.  Once it’s finalized, this will be an activity for our Nanotechnology Engineering students, and it’s amazing that something like this can be built by students for a couple of hundred dollars.  I look forward to seeing it in action.

 

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