Or possibly, we have reached the limits of what can be achieved in certain disciplines? Take batteries for example; a great many other technologies would be gre

Or possibly, we have reached the limits of what can be achieved in certain disciplines? Take batteries for example; a great many other technologies would be greatly enhanced by a quantum leap in battery energy storage (e.g. mobiles and wearables, robots, transportation) but we may have reached a practical limit in what can be achieved with the chemistry of the universe.