Core memory was arranged in stacks of X-Y planes, each plane representing a bit in a word. I worked on a specialized computer made from TTL logic chips…It used 36 bit words and had a mammoth 8k ...

DIY core memory builds are not a regular occurrence around these parts, but we see them from time to time, like this polished 64-bit setup.

A brand-new 12th-gen Framework Laptop starts at $1,049 for a Core i5-equipped base model, or $819 for a build-it-yourself kit with no memory ... starting at $679 for a Core i5-1135G7-based DIY ...