First, I will tell you about electronic ink and then tell you why you need not throw away your used news papers.
I am sure you are aware of e-paper-the daily news papers you receive in your mail box are also available in digital form in your computer. Unlike a conventional flat panel display, which uses a backlight to illuminate its pixels, electronic paper reflects light like ordinary paper and is capable of holding text and images indefinitely without drawing electricity, while allowing the image to be changed later.
The e-ink rearranges itself each morning to form new headlines. Or maybe you've just finished pouring over a new best seller. No need to pass it along to a friend; the print can morph Harry Potter style into a new book.
Sound unreal? It is the world of electronic ink.
The e-ink, in its appearance is similar to regular ink but there is an uniqueness about it. It is made up of many tiny capsules, these capsules are filled with ink, and the ink contains white particles that have a negative charge. These three properties allow an electronic ink display to be changed on demand.
E ink can be used on many of the same surfaces as regular ink
Courtesy: Wisegeek.com
Image source: Google Images
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