http://cleantechnica.com/2008/10/22/samsung-demonstrates-worlds-first-carbon-nanotube-based-display
One of the biggest barriers to the e-book has been the strain they put on the eyes and the constant battery drain. Most of these problems are massively alleviated with the invention of electronic paper. Instead of being backlit and actively projected like traditional screens, e-paper only consumes energy when the image on the screen is changed. In addition, they use reflected light to be read instead of backlights which consume energy.
If this technology is someday put into widespread use around the globe, it could save incalculable numbers of trees from being cut down. Also, with memory storage technology advancing at the rate it is, whole libraries will soon be able to fit into these devices. There is also the issue of being able to search through electronic text far more efficiently than paper books.
At the moment, the most prominent consumer product to use the technology is Amazon’s Kindle, but it is also being used to make energy effiicient cell phone displays and watches. Although this technology is still in its infancy, it would not surprise me in the slightest if I read to my grandchildren from an e-book using it someday.
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