Most people have heard of or seen slide rules, with older generations likely having used these devices in school and at their jobs. As purely analog computers these ingenious devices use precomputed ...

It is no secret that we like slide rules around the Hackaday bunker, and among our favorites are the cylindrical slide rules. [Chris Staecker] likes them, too, and recently even 3D printed a version.

When you look at the Dow Jones Industrial Average or a bank statement or your receipt at the grocery local store, do you ever stop to think about how numbers are actually processed? (It’s OK – you won ...

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 ten-inch duplex slide rule is ...

Less than a year ago we told you about the Tiroler, a titanium ring that's a rather clever alternative to the boring ol' tape measure. Well, its makers are back with a new take on the concept, which ...

For about 350 years, humanity’s most innovative handheld computer was something called a slide rule. As typewriters once symbolized the writer, slide rules symbolized the engineer. These analog ...

Titaner's new Mix 3.0 ain't your average ruler. The clever dual-scale device boasts attributes such as an extendable measurement system, a measuring caliper, a magnetically retained pen, and a slide ...

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 white plastic circular slide ...