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History & Retro Computing
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483

Upside Down Air Force

The Air Force Research Laboratory / Information Directorate, located at the Rome Research Site (formerly Griffiss Air Force Base), tests electronic countermeasures (ECM) equipment on various airframes for blind spots in the EMC equipment, or for interference by the aircraft's external munitions on the EMC equipment…

484

Half-Life

Around twenty years ago, people would have laughed if you told them that videogames would end up at the Smithsonian, but the Half-Life team really did want to make games that were more than just throwaway toys. The rule against cinematics — which made our jobs much harder and also ended up leaving a lot of my favorite…

491

The Joy of Nand2Tetris

For the last month, I have been working through Nand2Tetris: The Elements of Computing Systems; Building a Modern Computer from First Principles . I recently completed part 1. This first half of the text illuminates the process of building a computer purely from elementary logic gates. Each chapter is comprised of an…

494

How Copyover MUD Servers Worked

When I was younger, I played a lot of MUDs (“ Multi-User Dungeons ” — the text-only predecessors of modern MMORPGs, often played over Telnet ). They were great fun, particularly during high school: a lightweight multiplayer game with no client state meant you could log in from any machine in any lab, even Windows…