18 nov 1902 anni - Ultra microscope
Descrizione:
In 1902 Richard Adolf Zsigmondy, (1 April 1865,- 24 September 1929) an Austrian chemist, introduced an idea that led to the ultramicroscope, which makes it possible to observe very small particles by illuminating the preparation being studied in a direction that is perpendicular to the viewing angle. Richard Zsigmondy used the ultramicroscope to show the heterogeneous structure of colloids, which contain particles that are small but vary in size.
Aggiunto al nastro di tempo:
Microscope History
Shivanhsu Garg
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