when i vape outside and when the weather is hot (it's 38 C rn) i start to notice some juice getting into my mouth, is that because of the heat? is it normal? : r Vaping Powering the Future with Liquid Sunshine ScienceDirect Reusable liquid stores solar energy like bottled sun Low E coatings on windows save energy but may be messing with our health Why Does Vape Juice Turn Brown in the Tank selbyvapes