A Fubsy Polymath subdomain
Solving differential equations with op-amps, patch cords & voltage.
Multi-volume deep dives into the machines that compute with continuous voltage instead of bits — 3 fully documented so far.
Machine deep dives
Live
Live
Live More machines coming
Historical Library
378 books — operator manuals, textbooks, schematics & catalogs across ~92 makers. 141 with English translations.