Physicists introduce phase contrast to electron microscopy, delivering sharper images of our body's tiniest proteins

Nearly 100 years ago, a seemingly simple discovery revolutionized the microscope. The introduction of phase contrast, which ...
Nature

Concept and demonstration of a low-cost compact electron microscope enabled by a photothermionic carbon nanotube cathode

The scanning electron microscope (SEM) delivers high resolution, high depth of field, and an image quality as if microscopic objects are seen by the naked eye. This makes it not only a powerful ...
EurekAlert!

Reimagining electron microscopy: Bringing high-end resolution to lower-cost microscopes

A comparison of experimental annular dark field (ADF)-scanning transmission electron microscopy (STEM) and electron ptychography in uncorrected and aberration-corrected electron microscopes. In the ...
C&EN

A new, ultrabright laser powers a cryo-EM advance 15 years in the making

Fifteen years ago, physicists worked out a method to increase image contrast by hitting the electron imaging beam with an ...