After gliders were figured out, all we needed was a light and powerful enough engine. There was a clear A->B->C with flight even if some people thought it wasn’

After gliders were figured out, all we needed was a light and powerful enough engine. There was a clear A->B->C with flight even if some people thought it wasn’t going to happen. There is no A->B->C for consciousness. No one knows what is missing from the current state.