Buried at the end of the article: > A limitation of this work is that the resulting de-oxygenated titanium contains yttrium, up to 1% by mass; > After solving

Buried at the end of the article: > A limitation of this work is that the resulting de-oxygenated titanium contains yttrium, up to 1% by mass; > After solving the yttrium contamination problem, applications to industrial manufacturing will be straightforward. One wonders how much of a problem this is for most applications, and how easy it will be to solve...