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Polar Expresses

By on November 15th, 2012

Somewhat off-topic (shockingly), but this story in New Scientist caught my eye: “Encrypted fabric to thwart fashion fakes.”

Christian Müller at Chalmers University of Technology in Gothenburg, Sweden, made a semi-transparent thread from polyethylene and a polymer used in clothes dye. This thread has unique optical properties that allow only certain polarisations to pass through.

The thread can be used to make hidden logos or other designs that can aid in brand protection (maybe Dick Warner is looking to expand his wardrobe).


He’s also looking to make similar threads for use in electronically enhanced textiles that change colour with electric voltage, so you could alter your fashion with the flick of a switch.