I noticed in the reports a small trend to usb blowing attys more so that higher voltages but from battery; presumably because batteries kind-of current limit due to internal resistance. But hardly scientific. In any case, the higher voltage is not the cause of demise, rather the deposit - physically hindering expansion, wrenching a snap as it grows or heat-insulating the wire to over heat; probably all guilty.
No-deposit forming juices are a real possibility and could be made right now, jumping right over the cleaning issue; attys might then last months on average (if still working after the first few days/week).
I'm not sure how easy it would be to include nicotine though so that there is no deposit, the kind used in inhalers I guess, certainly not from a tobacco soak that would be full of resins etc.; but not sure if this is simply pure nicotine dissolved in water or other solvent, or a bound-nicotine where the binder might not evaporate.
No-deposit forming juices are a real possibility and could be made right now, jumping right over the cleaning issue; attys might then last months on average (if still working after the first few days/week).
I'm not sure how easy it would be to include nicotine though so that there is no deposit, the kind used in inhalers I guess, certainly not from a tobacco soak that would be full of resins etc.; but not sure if this is simply pure nicotine dissolved in water or other solvent, or a bound-nicotine where the binder might not evaporate.
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