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An article exploring AT&T's rare Security-Plus Telephone from 1987, part of the NSA's STU-III secure voice encryption standard, and its place in the history of secure communications.
A detailed examination of two circuit boards from the Space Shuttle's I/O Processor, explaining its multi-threaded architecture, network interfaces, and microcode storage using fuse-based PROMs.
An article examining the historical development of the Minostigmat lens for the VEF Minox Riga camera and investigating whether Hans R. Schulz was its true designer, challenging the conventional narrative.