ID Number PG.000843 Object Name Patent Model, Preparation of Photographic Paper See more items in Work and Industry: Photographic History Data Source ...

Abstract: Light-weight antenna arrays require utilizing the same antenna aperture to provide multiple functions (e.g., communications and radar) in separate frequency bands. In this paper, we present ...

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 a photographic postcard of ...

Dive into the enchanting world of Pinhole cameras with this exciting STEM project! Discover how these simple yet ingenious devices have been used for centuries to capture photographs without the need ...

George Eastman was born on July 12, 1854, in Waterville, New York. His father, George Washington Eastman, ran a business school where he taught bookkeeping and penmanship, but had to work a second job ...

The face must be square to the camera with a neutral expression, neither frowning nor smiling, with the mouth closed. If the photographs do not meet the specifications, you will have to provide new ...

In the balmy late summer of 1924, people across the world prepared to receive the first messages from the intelligent alien civilization that was assumed to inhabit Mars. To tune in to these Martian ...

I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and recommendations for game consoles and accessories, smart displays, smart glasses, smart speakers, soundbars, TVs, ...