INVESTIGATIONS carried out on television camera tubes using the photoconductive effect for converting a light image into an electrical signal have resulted in the development of an experimental tube ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is one of the first x-ray tubes ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. X-ray Tube, marked on stem: "[logo of ...

IT’S not often that cannons get used for target practice. These images show some of the first machines built to emit X-rays, now given a taste of their own medicine. The stark, ghostly quality of ...