Core memory, magnetized memory using tiny magnetic rings suspended on a grid of wires, is now more than five decades obsolete, yet it exerts a fascination for hardware hackers still. Not least [Andy ...

This 1970s tech USB drive uses magnetic-core memory, stores 128 bytes, and is the size of a dinner plate. It sports a 32x32 ferrite-core grid (1024 bits); hand-woven wires show vintage craftsmanship.

Many Hackaday readers will be familiar with the term “core memory”, likely thanks to its close association with the Apollo Guidance Computer. But knowing that the technology existed at one point and ...