The instant you pulse your coil, metallic oxides are instantly formed on your coils. In VapeLand, we know this as the effect, when it occurs on a properly tensioned microcoil. These metallic oxide layers, three distinct and chemically different layers on kanthal, and eight on titanium, are what allows us to vape with a contact microcoil, without a hard short.
By the way, as a long term cancer researcher, for major institutions, these issues fall under my purview professionally. As I stressed before, there are known risks, but a lot more research needs to be done, and everyone needs to do this research for themselves, so they know what it is they are vaping. Compared to smoking, I'm perfectly ok with it. All of this, and my observations, Aal, have to do with health concerns, and one cannot compare our coils, without also comparing oxidized coils. Anyone that thinks one is fine, the other bad, is badly misinformed. We are vaping metallic oxides my friend, and a quick look at our coils under magnification will easily demonstrate this fact to anyone interested. As I mentioned, whether the heat is sufficient enough to cause certain chemical reactions is not the point, as nano-particles, and larger particles do exist on these coils. A wee bit of research will go a long way in this regard.