"Disappearing Ink" Paper from Xerox

Xerox has come up with "transient document" paper that deletes all content after a period of time and is ready to be used again. "Inspired by the fact that many print outs have a life-span of a few hours (think of the emails you may print out just to read, or the content you proof read on the train journey back home), the specially prepared paper will preserve its content for up to 16 hours. Further research is being undertaken to give the option of subsequently preserving the content if the user desires, which might literally involve warming up old data through the heating of the paper."
-- PC Pro
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