Sharpest Manmade Thing - image of tungsten needle
Check out this image of the tip of a tungsten needle. You can see the individual atoms!!!
A field ion microscope (FIM) image of a very sharp tungsten needle. The small round features are individual atoms. The lighter colored elongated features are traces captured as atoms moved during the imaging process (approximately 1 second).
- Link (via Boing Boing)
