By programming a computer to compare the results, they can then build images that show only the original ink and none of the ink added by the monks.

ECONOMIST: The Archimedes palimpsest

But as a back-up the Rochester researchers are also considering a magnetic technique that would be able to detect iron particles left over from the original ink, even in places where the pigment itself has faded away completely.

ECONOMIST: The Archimedes palimpsest

In its former incarnation as a division of Phillips, iRex developed the original E-Ink display that was eventually licensed to Amazon and Sony.

FORBES: Magazine Article

The document to be copied was placed on top of a sheet of chemically moistened paper, then rolled through a press, which brought the ink of the original through the thin sheet so it could be read from the other side.

FORBES: Magazine Article

It's really quite profound when you think about it: a founding father granting future generations permission to make changes to a document with the ink barely dry on the original.

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The black, white and gray palette for this landscape, populated by none of the tribal figures featured in Vaslav Nijinsky's original version of "Rite, " is elaborated along the way by spreading-ink-stain projections and by trajectories of smoke rings that appear shot from a cannon.

WSJ: A Puppeteer's 'Rite' of Passage | Basil Twist | By Robert Greskovic

In fact, the artist, William A. Noguera, has entrusted her with nearly every facet of his life as he labors over the canvas of original works in a craft he has developed over 30 years, most notably pen and ink stippling.

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