With a wee bit of quantum squinting
With a very fine needle and lots of number crunching, you can see atoms by using the scanning tunneling microscope.
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Here’s some stuff on piezo electrics.
Piezoelectric Effect Explained using a simple physical model
Understanding Piezoelectric effect!
And here are a few things about the scanning tunneling microscope.
Classroom Aid - Scanning Tunneling Microscope
Surface studies with a scanning tunnelling microscope