You've probably heard this story before, or perhaps lived it: Once upon a time, computers were huge. In the 1960s, a computer with the capability of, say, an Apple II, required a room full of heavy, ...

The alternative text for this image may have been generated using AI. We use the direct chip-to-chip optical connectivity of the microprocessor chip to build a photonically connected main memory ...

Guest author Ken Shirriff is a Silicon Valley-based computer enthusiast who enjoys reverse-engineering old chips and restoring classic equipment such as the Xerox Alto. Shirriff wrote the Arduino ...