In 1931, electromagnetic lenses helped scientists see a world ordinary microscopes could not reach

In 1931, physicists Knoll and Ruska unveiled the first electron microscope, revolutionizing science by using magnetic lenses ...
Interesting Engineering on MSN

Hobbyist converts SEM into transmission electron microscope for sub-nanometer imaging

A home machinist and microscopy enthusiast has documented a detailed technical conversion of a ...
Nature

A statistical resolution measure of fluorescence microscopy with finite photons

First discovered by Ernest Abbe in 1873, the resolution limit of a far-field microscope is considered determined by the numerical aperture and wavelength of light, approximately \(\frac{\lambda }{2{NA ...