Tiniest Photograph Ever Explained

I posted a photo of a itty bitty molecule that is making the news these days ... the photo, not the molecule ... but I didn't have much to say about it except that it was cool. Ethan Siegel has picked up the thread and explains what it is we are looking at.

I myself have used the little needle thingie in research, but the tip of the one I used was more like an actual needle made of a zillion metal molecules so we could only image things like primate teeth or cut marks on bones. This one is a little different...