'Big Mess of Wires' Homebuilt Processor Is, In Fact, a Big Wonderful Mess of Wires

Steve Chamberlin's "Big Mess of Wires" processor took "18 months, about $1,000 and 1,253 pieces of wire" to build, measures roughly one square foot and, amazingly, computes at about the level of a Commodore 64. [Gadget Lab]