Chris Fenton hopes to build a working electromechanical computer out of parts made by a 3D printer. He has currently developed a working prototype of a punch card reader. Chris Fenton hopes to build a ...

About thirty years ago [H. P. Friedrichs] pulled off a hack that greatly improved the process of programming with punch cards. At the time, his school had just two IBM 029 keypunch machines. One of ...

For simple or complicated math calculations, pencil and paper, and perhaps a slide rule, were must-have supplies. I was ...

When CU Boulder’s Department of Computer Science began more than 50 years ago, it had fewer than 10 faculty members, and all students were at the graduate level. They accessed computers on campus ...

We think of punched cards as old-fashioned, but still squarely part of the computer age. Turns out, cards were in use way before they got conscripted by computers. Jacquard looms are one famous ...