- Denim is a sturdy cotton warp-faced textile in which the weft passes under two or more warp threads. This twill weave produces a diagonal ribbing that distinguishes it from cotton duck. Denim, as it is recognized today, was first produced in Nîmes, France.
- Replica of the PDP-1: PiDP-1 (hackaday.io)
Angelo and I decided to make a replica driven by a innovative type of emulator: though ported to C, it does not emulate the machine at the logic level, but on the circuit level.