Boing Boing on MSN
Keep a slide rule in your kitchen drawer for scaling recipes
Forget apps and smart displays. The most elegant kitchen calculator is a mechanical device from the 1600s. Entropic Thoughts ...
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.
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