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 ...
Hackaday

Retrotechtacular: Learning The Slide Rule The New Old Fashioned Way

Learning something on YouTube seems kind of modern. But if you are watching a 1957 instructional film about slide rules, it also seems old-fashioned. But Encyclopædia Britannica has a complete ...