What is e-ink on e-readers like kindle? How does the technology compare to a regular screen?
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I read once a long time ago that the paper white Kindles used something like a ping pong ball on the screen. Half of it was black, and the other side was white. The black side has one charge, and the white the opposite charge. You line all these balls up nice and tight with each other.
Kindle sends a charge down the page of these ping pong type balls and some flip from white to black and form black letters on an otherwise white sheet.
When you “turn the page” you send another charge down the page and rearrange the “letters” on the page.
An LED type of screen has individual pixels that light up or don’t light up in order to form letters and pictures.
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