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 ...
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 ...
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

Microscope and its Revelations Practical Microscopy

DR. CARPENTER is to be congratulated on the recent publication of the sixth edition of his very useful work on the Microscope and its Revelations, the more especially as now having the command of his ...