A-Tomos

A-tom, or by Democritos in-divisible. Really? When "yes", when "no"?#1

A-tom, or in-dividual

How to count atoms?

Atomic Force Microscopy

AFM - these are atoms on silicon surface [Omicron NanoTechnology]	AFM - these are atoms on gold surface [Omicron NanoTechnology]
The smalles inscription in the world (atom by atom) [Omicron NanoTechnology]	Picture of tungsten needle in field emission microscope [H. Haken i H.C. Wolf, Atomy i kwanty, PWN, 2002]

Avogadro and Maciej (by Adam Mickeiwicz)

Avogadro's number determination

How to measure atoms?

links, sources, photo, more