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iPhones Can Read Tattoo Ink For Medical Info

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  • by Anonymous Coward on Friday July 22, 2011 @11:33PM (#36854466)

    Because human eyes are not precision instruments.

    A camera measurable change under certain very specified LED lights (possibly only detectable in the dark) is relatively easy (and would not be that striking) compared to a dye which absorbed something prevalent in visible light to a very high level emitting a dramatically different light wavelength as a result and changing form active to inactive in a fairly narrow range of concentrations.

    Consider that the first could be read by something like a light sensor + LED under a black sticky plaster and either fed to a gadget either through blue-tooth or a small wire if it was near by (eg hidden under a watch which doubles as a recorder). in the future maybe artificial implanted pancreases will be the norm but this allows the nearly same level of protection without the major surgery.

"From there to here, from here to there, funny things are everywhere." -- Dr. Seuss

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