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Summary of the Sensing and Positioning Technology Workshop of the Committee on Nanotechnology for the Intelligence Community Interim Report (2004) / Chapter Skim
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Pages 15-15

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From page 15...
... An example might be a fluorescent bar code on a product package that can only be read when the illuminated product is viewed through a special filter. These tags can be read at a distance using handheld optical devices.
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Key Terms

  • optical device


    • This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
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