🔌 Ever wondered what a vintage computing giant gets up to when it's not busy calculating your taxes? Ken Shirriff takes us on an electrifying journey into the 1948 IBM 604 Electronic Calculator! This time, he’s not just admiring tiny Intel processors but instead engaging with the massive pluggable modules that once powered early computing. His exploration into energizing a vacuum tube flip-flop module reminds us just how far technology has come—thankfully, we can now avoid the whole “waiting for the vacuum tubes to warm up” phase! Join the adventure and uncover the fascinating world of retro tech. Who knows, you might just spark a new appreciation for those chunky calculators! Read more here: https://hackaday.com/2026/08/03/energizing-a-vacuum-tube-flip-flop-module-of-the-ibm-604/ #VintageComputing #IBM604 #TechHistory #Electronics #Innovation