Like in this picture[pic](https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSCCadOhv2cxPQIYF5Uo6IOICOSAAIfFWboMg&usqp=CAU),
what is the thing at the top? Is it just space?
In: Physics
Have you got the source for the image? It’s hard to say without knowing exactly what this is.
It looks like it’s an image from an electron microscope. There is a very fine needle of atoms that moves across a surface. This needle detects how close or far something is, letting you draw a sort of contour map. I’d guess that the empty patch is just a region where the surface is too far away from the needle to.be detected.
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