Computers built using discrete logic chips? Seen it. Computers from individual transistors? Impressive, but it’s been done. A computer built out of electromechanical relays? Bring on the ozone! The ...
A moth taped to a logbook page in 1947 became one of the most repeated origin stories in computing, and the physical evidence ...
Once you’ve seen this beauty of a relay computer in action, you’ll find it hard to resist the lure of building something similar yourself. Once you’ve seen this beauty of a relay computer in action, ...
This mini-series of articles describes how to build a computer’s CPU (central processing unit) out of relays. “Y” in English sounds like “guay” in Spanish (my mother tongue), a colloquial expression ...
Apollo Guidance Computer in his basement. Our new hero is Harry Porter, a wizard from Oregon, who is building a computer the old-fashioned way: by hand, using 415 relays, 111 switches and 350 LEDs ...