Forget apps and smart displays. The most elegant kitchen calculator is a mechanical device from the 1600s. Entropic Thoughts ...

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 slide rule consists of two white ...

Before the smartphone, the laptop and the pocket calculator, there was a powerful mechanical computer. Our new series, Tools of the Trade, begins... The Slide Rule: A Computing Device That Put A Man ...

It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...