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The first new compass since 1936 [video]
- quantummagic 9mo agoMan donating his new design to the public domain: "The first really new type of compass since 1936. In this video, I present a genuinely different approach to compass design — a liquid-free baseplate compass that uses induction (eddy-current) damping instead of fluid, meaning it can never develop bubbles, regardless of temperature or altitude."
- crotho 9mo ago[dead]