>>16730817 (OP)i doubt we know how it fully works, but say that we did then the thing that is stopping us from making a computer fly is resources.
its cool that we could make a computer fly but why would we? who is going to pay for it? it sounds like an expensive endeavor with no obvious profit waiting. in this age of scientific budget cuts, how can you justify the money? all the money is going to go to cancer research or AI research. what use is a fly?