So far. Eventually a manufacturing process will be worked out. In the mean time there's a lot of theoretical stuff we gain, and that theory gets used by other t

So far. Eventually a manufacturing process will be worked out. In the mean time there's a lot of theoretical stuff we gain, and that theory gets used by other things. Remember that for most of human history, scientific and technological progress was extremely slow, taking centuries for a minor improvement. We've been absolutely spoiled rotten by the past century.