It has no wires, no silicon chips, and needs zero electricity. Yet, it computes. Researchers from St. Olaf College and Syracuse University have built a functioning computer using only rigid steel bars ...

Turns out, writing articles doesn't actually require 16 threads.

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 ...