[John Graham-Cumming] might not be the first person to thumb through an old book and find an IBM punched card inside. But he might be the first to actually track down the origin of the cards.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. IBM sometimes used punch cards to ...

A new nanotechnology take on the old punch-card storage system has enabled IBM Corp. researchers to demonstrate a data storage density of one trillion bits (1T bit) per square inch — 20 times higher ...

This cast-iron object has a metal base that holds, at the top front, a sheet of plastic with holes in it, marked with the categories of the 1890 U.S. Census of population. In back of this is a holder ...