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 key-driven, manual verifier has 15 black rubber keys. Twelve are for the 12 columns on a punch card. These are labeled from 0 to 9, X, and blank. Two other keys move the card one space, and the ...

[digitaltrails] wanted the data on a few old IBM 80-column punch cards he had lying around, but didn’t have decades old computer hardware in his garage. He decided to build his own out of LEGO, an ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. These two cream-colored eighty-column ...