Well it's a lot like a doctor fixing your sneezing :D The difference between tech and other machines like cellular life, is that we built it from scratch in a

Well it's a lot like a doctor fixing your sneezing :D The difference between tech and other machines like cellular life, is that we built it from scratch in a giant writing civilization so to absolutely lose the ability to reverse engineer or reproduce by copy would require quite a dumbing down of the humans or a catastrophic loss of resources. Something I saw somewhere is that in engineering you can copy without even looking at the thing. If you know it s possible, all countries seem to somehow access it the next decade. Sometimes it's just a psychological block.