more on the conductive ink
2012-02-24 by David Mitchell
today on Hackaday: http://hackaday.com/2012/02/24/diy-conductive-ink-lets-you-freehand-circuits-on-the-cheap/ .. [Jordan] likes the flexibility that conductive inks offer when putting together electronic circuits, but says that they are often too expensive to purchase in decent quantities, and that they usually require substrate-damaging temperatures to cure. After reading a UIUC Materials Research Lab article about making conductive ink that anneals at relatively low temperatures, he decided to give it a shot. ...