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.

Get all of Cliff Corcoran’s columns as soon as they’re published. Download the new Sports Illustrated app (iOS or Android) and personalize your experience by following your favorite teams and SI ...

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 inexpensive one-sided white ...

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 one-sided rule is made of two ...

While some (math-phobics) still may relish the simple beauty and non-threatening functionality of the abacus, there are those who have made the transition to more challenging computing gadgets—many ...

If the Otis King slide rule in [Chris Staecker’s] latest video looks a bit familiar, you might be getting up there in age, or you might remember seeing us talk about one in our collection. Actually, ...

Teams and managers have been up in arms over the new 'Chase Utley rule' on slides, but there is nothing ambiguous about it—and they should know that. Get all of Tom Verducci’s columns as soon as ...

THE principles upon which the construction of slide rules depend are described in this pamphlet, and numerous examples are given of the methods of use of such mechanical aids to calculation.

The protractor and the Bunsen burner. Playing the recorder in music class. Drawing arcs and circles with a compass in geometry. These tools of the education trade become part of our lives for a ...

Yes, there was the massive Saturn V rocket and the LEM and the Command Module we’ve been hearing so much about in the run-up to Saturday’s moon landing 50th anniversary, but Neil Armstrong’s small ...