This circular slide rule consists of a silver-colored metal dial, 8-1/2" wide, mounted on a silver-colored metal disc. Three oblong holes on the base disc permit the reading of trigonometric scales on ...

Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up in ...

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 linear slide rule reflects ...

How do your review something that is so utterly familiar and so utterly unique in almost the same breath? In a world of fixed slab smartphones, coming to terms with the idea of a foldable phone is ...

Planet Computers has been making smartphones with physical keyboards, unlocked bootloaders and support for Android or Linux software for a few years. I went hands-on with the Gemini PDA at CES 2018 ...

All the major smartphone makers gave up on physical keyboards years ago. But a handful of smaller companies are keeping the dream alive — and the new Astro Slide smartphone from Planet Computers is ...