Observed arrival · 2026-10-03

Every Mechanism makes machines movable lessons

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Editorial interest 78/100 Selection signal · not a rating of the site

A small catalog of interactive 3D explainers shows how machines and instruments work.

Landing page captured for the 2026-10-03 issue.

For: Readers learning how machines and instruments work
Worth noticing: The planetary-gear preview names a sun, three planets, and a ring, then explains how holding one part changes another’s speed or direction.

Field notes

The catalog lists three explainers: planetary gears, carburetors, and trombones. Its planetary-gear preview describes how holding one part can change another’s speed or direction; the carburetor entry traces petrol drawn from a float bowl by air moving through a narrow throat. The homepage says each page identifies parts and explains their motion, and it provides a title search across the entries.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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