1 ene 1932 año - 1932 – Phase contrast microscope
Descripción:
Frits Zernike develops phase contrast illumination, which allows the imaging of transparent samples. By using interference rather than absorption of light, transparent samples, such as cells, can be imaged without having to use staining techniques.
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fecha:
1 ene 1932 año
Ahora mismo
~ 93 years ago