What's less certain is the famous Vinland map, supposedly from the 15th century, that is claimed to document their notion of its coast: studies of the map's inks and stains suggest it may well be a fake.

ECONOMIST: Modern man knows where he stands. His map tells him

Blue Ramsey, a design professor at England's Brunel University, cautions that the inks will remain a plaything until engineers figure out how to print batteries and speakers, too.

FORBES: Touchy Circuits

Precisia's president, James Rohrkemper, believes that the use of conductive inks and high-speed printing processes could cut antenna costs by 50%.

FORBES: Touchy Circuits

Headquartered in Pittsburgh, PA, the company's focus is on organic light emitting diodes (OLED) and organic solar technology, specifically the conductive inks and process technologies that enable those and other similar applications.

ENGADGET: Plextronics rolls out next-gen OLED ink, promises bigger, better OLED displays