Computers, from the simplest to the most complex, aren’t very useful if they can’t provide feedback to a user. Whether that interface takes the form of a monitor, a speaker, or a simple LED, there’s ...

We’re used to seeing all manner of seven-segment displays, be they mechanical, electronic, or something in between. But what all these displays have in common is that they’re, you know, displays.

Here’s the deal. As you may recall, I’m working on a hobby project with my chum Joe Farr in England. This little beauty is going to be a 4-bit Heath Robinson Rube Goldberg (HRRG) Steampunk computer. I ...