The World of the Jetsons Is All Buttons and Levers and No Gears and Engines

In the future, there won't be any visible motors. Motors will be everywhere, but they'll be microscopic,. Like the motors in your muscele cells. Things will simply move smoothly, silently, and when you want them to - like your arms and legs do. This is a possibility. It's been a possibility for a long time. The mind boggling elephant in the room is the question that findman asked, why has it taken so long for us to move in that direction? If we really grasped our opportunity, the entire physical world of the jetsons would be here right now.