Quote:
Originally Posted by mgrimace
I was wondering if other people noticed any relation to heat as well?
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Well, yes. That is "working as designed": e-ink hardware even includes temperature measurement for precisely this reason. As I understand it, the 'waveforms' the Kindle uses to adjust the screen display without flashing are tuned to a particular range of viscosities in the e-ink, and thus to a particular range of temperatures: if the temperature goes above or below that range, it has to fall back to a full dark/light reset on every change. (If you go too hot, even that fails and you start seeing screen misbehaviour, but as this requires you to stick your Kindle over a steamer and raise it to 60C or thereabouts, this is unlikely to be a problem. If you get too cold, of course, the screen freezes and is ruined.)