"For the first time, a practical method for dark-field imaging is available that can be easily implemented in an X-ray ...

An original database of randomly positioned dark-field images is created through dark-field microscopy characterization,” he said. “Gold nanoparticles can easily be measured using dark-field ...

Field-emission microscopy (FEM) is an analytical technique used in materials ... The field-emitted electrons travel along the field lines and produce bright and dark patches on the fluorescent screen, ...