Remember yesterday, when one illustrious modder whipped up a head-mounted computer that featured a printed circuit board of his own design? The fabrication method he used was called direct-to-PCB Inkjet printing. An economical (if laborious) alternative to professional production, the process includes: designing your circuit, printing it out on a transparency, flickin' on some lightbulbs, washing things out in abrasive chemicals, and waving a magic wand. While it's not for the timid (nor simple enough to go through in great detail here) the kids over at Instructables have been kind enough to pu