Ars is a place on the Internet where people have opinions (I know, I repeat myself). For some reason I was wondering why decora switches were invented and while looking at that I found many people who ...

While those of us in the hacking community usually focus on making new things, there’s plenty to be said for restoring old stuff. Finding a piece of hardware and making it look and work like new can ...

A device that opens and closes an electric circuit. It uses a lever that is moved up and down; a light switch on the wall being a common example. Early computers, especially mainframes, often had many ...