Quote:
Originally Posted by Athropos
Same for me, and my Aura HD still works like a charm.
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I suspect the issue here is leaving your ereader in a car that is parked outside in the sunlight. Your car acts as a handy-dandy little greenhouse under those conditions. One study I saw was done in New Orleans with an outside temperature of 93F/34C (close to the highs in Bucharest this past week). Within 20 minutes both cars tested reached an inside temperature around 125F/52C with the cars stabilizing at 138F/59C and 140F/60C after 40 minutes. This is over the maximum temperature eInk quotes for their displays however I'd tend to the belief that the differential expansion/contraction of the display and support structure can and does place excessive stress on the substrate.
After doing some research, I've come to the belief that leaving an ereader or most other electronic devices in a parked car in the sunlight is about as thoughtless as leaving a child or dog in the car under the same conditions.