Add Yahoo as a preferred source to see more of our stories on Google. Conceptual illustration of the bidirectional quantitative scattering microscope, which detects both forward and backward scattered ...

With conventional biological microscopes, special tools are needed for adjusting the components required for phase contrast observation. With the SI-PH Phase Condenser, centering of the ring aperture, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Fritz Zernike (1888-1966), a Dutch ...