n this video, the creator showcases the latest (and oldest) addition to their lab: a Scanning Electron Microscope (SEM). This JEOL JSM-5200, originally manufactured in the late 1980s or early 1990s, was given to them by a lab that could no longer repair it. After months of dedicated effort, the microscope was successfully restored to working condition. The video provides an overview of how a scanning electron microscope works, details the repair journey, and features fascinating examples of the microscope’s capabilities in action.
Two professional engineers update an earlier video tutorial about cats.
