I'm a government researcher working on this exact thing and even I don't really believe it. That said, there is a tremendous amount of interest from commercial

I'm a government researcher working on this exact thing and even I don't really believe it. That said, there is a tremendous amount of interest from commercial entities, which is what drives my work. I'm probably not allowed to name any specific companies, but there are certainly a large number of companies that believe enough to be investing significant amounts of money into the idea.