1) As others have repeatedly asked: does it work if you eat a pot brownie, or is it based on smoking only? 2) What do "nanotech engineers" study in school that

1) As others have repeatedly asked: does it work if you eat a pot brownie, or is it based on smoking only? 2) What do "nanotech engineers" study in school that makes them qualified to manufacture something like this? Is that like a $2 word for a chemist? Good luck with your launch.