Even just the bare minimal size for testing this concept conclusively? Ok then, perhaps using ULV lithography (aka microprocessor design) could do it. Pity th

Even just the bare minimal size for testing this concept conclusively? Ok then, perhaps using ULV lithography (aka microprocessor design) could do it. Pity those machines take billions of $$$ to work with, so it's unlikely someone would try. Hmmm, unless there is a research institute doing something like those lines.