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A braille e-book is a refreshable braille display using electroactive polymers rather than mechanical pins to raise braille dots on a display. As of 2013, they exist only in concept design; though not inherently expensive, due to the small scale of production they have not been shown to be economical.
- Bar-Cohen, Yoseph (11 September 2009). "Electroactive polymers for refreshable Braille displays". SPIE.
- "Braille E-Book Concept". TechFresh. 17 April 2009.
- Yanko Design Website