New Scientist Breaking News - Chameleon scarf coordinates with your outfit: "Interwoven into the scarf material are pixels containing red, blue and green light-emitting diodes (LEDs), so adjusting the brightness of each type of diode turns the scarf a different overall shade.
A small sensor embedded in the garment also enables it to identify the colour of the nearest item of clothing. A microcomputer then selects a suitable colour for the scarf itself to adopt."
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