cigarette burns healed Figure 3 from in forensic medicine Burns

Consistent quality yes, but look at fine wine and the variation from year to year they have

Did years of smoking somehow burn or etch permanent tracks into our brain

Replaceable batteries for these devices are quite expensive and should be checked regularly for any damage as damage to a battery can lead to thermal runaway, rendering the battery dangerous

I dont know whats wrong with my knuckles

So we have tailored portable scanning technology already used to detect other counterfeit products including medicine and food, by creating a library of chemical signatures for e-liquids and the software to compare them to the scan results