Then again, yours truly uses toothpaste with nano-hydroxyapatite, which is touted as a non-toxic version of the same mineral that makes up teeth and bones. Skepticism abounds with that stuff ...
(Nanowerk News) A toothpaste-based transistor is the latest innovation from the research team at the Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology) in Milan, which pushes the ...