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Bar Codes Are Fabricated on the Microscale

Applications perceived in biology and chemistry.

Hank Hogan

Researchers at the University of Southampton in the UK have taken the familiar bar code to an extreme. They have developed diffraction-based bar codes up to 100 µm in length and only a few microns wide that can be read without contact, in a manner analogous to the way everyday 1-D codes are scanned...Read full article

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