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Fingerprint 'developer' used to lift text from letter-containing envelopes
Engadget —
Filed under: Misc. GadgetsMacGyver and Maxwell Smart had a plethora of tricks up their sleeves (or shoes, as it were), but they never had this. One Paul Kelly and colleagues at Loughborough University have discovered that a disulfur dinitride polymer can not only turn exposed fingerprints brown as it creates a reaction with the nearly undetectable residues, but it can also lift text from departed letters. In an odd twist of fate, it was found that traces of inkjet printer ink can actually initiate the polymer just like print residue can, and the ...
Chemical fingerprint detector can also read a letter off of anything it touched
CrunchGear —
... , quite a simple chemical compound, turns nearly undetectable traces of fingerprints brown and may be more effective than current techniques of taping, dusting, or treating and exposing to UV or whatnot (I don’t know — what am I, a private eye?). ...
