The most interesting predictions at least got right what would be the hard parts of the problem. Simon Newcombe's full article points to landing as the most dif

The most interesting predictions at least got right what would be the hard parts of the problem. Simon Newcombe's full article points to landing as the most difficult part of flying, which turned out to be the case. Landing technique depends on ground effect and stall, which wasn't well understood. I'm still amazed that people spend so much time staring at plywood boxes.