Magnetic Core memory was the RAM at the heart of many computer systems through the 1970s, and is undergoing something of a resurgence today since it is easiest form of memory for an enterprising ...

[Andy Geppert] sends in his incredibly clever interactive core memory shield. In a great display of one hacker’s work being the base for another’s, [Andy] started out with [Jussi Kilpelainen]’s core ...