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Electronic ink

Electronic ink


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20.3 MB (1.1 MB compressed)

3022 x 2347 pixels

25.7 x 19.8 cm ⏐ 10.1 x 7.8 in (300dpi)

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Electronic ink. Computer illustration of the structure of electronic ink. Paper coated in this ink, such as the book at lower left, can have text downloaded onto it electronically. The digital nature of the ink allows the text to be changed so the book can hold many titles. The ink consists of tiny transparent spheres (microcapsules) contain- ing microscopic white and black balls. The grid of microcapsules at upper right (one microcapsule is seen further magnified at top right) forms part of the letter e (centre). Depending on the electric current applied to each microcapsule, one type of ball rises while the other sinks, forming letters. E-ink was created by Joseph Jacobson at MIT, USA.

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