The homebrew vacuum-tube computer the internet fell for this week reminds us how far we've come.

The registers, counters, 8-bit arithmetic logic unit, ring-oscillator clock, and small tube RAM are all assembled from that single building block, an approach Hackaday traces to the Apollo Guidance ...

Mike’s Tube Computer MK3 packs 460 vintage vacuum tubes into a working 8-bit machine that makes computing visible.

The takeaway: A homemade computer built with 460 vacuum tubes puts early computing technology to work in a modern project. The wall-mounted 8-bit system runs custom software, accepts user input, and ...

Since I've had some free time lately, I've been building a small CPU emulator that runs in a browser using so-called "vibe ...