At this point, you know what an e-cigarette is. But did you know the first one was invented more than 50 years ago? Or that the e-cigarette uses something as fancy-sounding as an “atomizer,” and that atomizers are a thing beyond your new nickname for your boy Adam? Probably not. That’s why we teamed up with Juul, the makers of Pax vaporizers, to drop some serious e-cig knowledge on you.