Andy Geppert’s Core 64 Interactive Core Memory Boards Get a Final Design and 3D-Printed Weaving Jig

Designed to bring back a classic from the early days of computing in interactive form, the new Core 64 boards will form a stack eight deep.

Andy Geppert has unveiled the latest entry in the Core 64 family, a range of badge boards designed to bring back a classic of early computing: hand-woven magnetic core memory.

While modern computers and microcontrollers run from dynamic RAM, static RAM, flash RAM, or most commonly a combination thereof, that technology wasn’t always available. Early computers had to rely on other forms of random access memory, with one of the most widespread being magnetic core — toroidal magnets suspending in a hand-woven grid of copper wire.

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