Siemens has a new color display screen that can be printed directly onto paper or cardboard. This e-paper technology lets it to be thin, flexible, and affordable enough to be mass-produced and included in books, mags, lables, tickets, and a host of other traditional media. It takes advantage of the electrochromic substances that changes color when administered with an electrical charge. Practical uses include installation instructions on products and dosage instructions for drugs.

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