We are probably all familiar with computing history to the extent that we know the earliest computers were surprisingly simple devices. While early electronic machines such as Colossus or ENIAC were ...

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 ...

Tailscale has been my go-to solution for remotely accessing my home network when I am traveling. That’s also when everything ...

Inside there's a coil of wire wrapped around an iron core. When a current flows through this control wire, it creates a ...

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 ...