On 9 October, 2006, at 2:09:29, Richard M. Kriss wrote: > They all contain encapsulated smoke and leaving them on increases > the probably of releasing > the smoke. This statement is partially incorrect. The smoke is not "encapsulated", it is purified and condensed. Upon release to the atmosphere, it will cause the immediate failure of any electronic device within 1.4 meters with the exception of battery powered wristwatches and hearing aids.