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Originally Posted by yvanleterrible
Speaking of which, that transparent reader could be constructed with technology existing today. Remember that thread on transparent batteries? The other one on flexible circuits? Buttons can be replaced by a touchscreen, which is transparent.
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In fact, LCD screens have always been built upon transparent films (activating the element makes it opaque). Generally, the manufacturer puts a light background behind them to make them readable. But if you look around, you can find things like digital LCD clocks that are "see-through," ie, with no background layer behind them.