The punched card, a paper instrument invented 300 years ago to automate looms, helped create a technology that most of us today can’t live without: computers. A new Houghton Library exhibition — “The ...

If you mention punch cards to most people, they’ll think of voting. If you mention it to most older computer people, they’ll think of punching programs for big computers on cards. But punched cards ...

While a punch card is perhaps the lowest-density storage medium available, it has some distinct advantages. As [Bitroller] points out in the write-up of his punch card project, if he was using ...

In the 1970s, punch cards were used to run programs on room-sized computers. Credit: Madeleine Monroe/C&EN/Shutterstock Imagine a world without technology—no ...

TikTok users are turning New Year’s resolutions into a hands-on, colorful habit-tracking trend and it’s already going viral TikTok’s “2026 Punch Cards” trend helps users stay accountable by tracking ...