[Segelfam] built his own scanning electron microscope. He based the machine around an old Vidicon tube, a video recording technology that was used in NASA’s unmanned space probes prior the Galileo ...

In George Orwell’s bestselling shocker Nineteen Eighty-Four, the inhabitants of his frightful dictator state are spied upon day & night by all-seeing television eyes. Great posters remind them that ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. This is a silicon target phototube used by James Westphal and his group for astronomical imaging. This vacuum 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. In the 1970s, NASA inaugurated the ...

A NEW camera tube for ultra-violet, the Uvicon, is claimed by Westinghouse Electric International to be 200 times more sensitive than Vidicon type tubes. So, 60 years ago, started a story in ...