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.

While anything could be a core memory, the most profound clips make you want to ugly cry, beam, or immediately send to friends with the watery eyes or heart on fire emoji. Like a “the” photo ...

If you’ve heard of core rope memory, it will probably be in the context of vintage computing equipment such as Apollo-era NASA hardware. A string of magnetic cores and sense wires form a simple ...