&gt;&gt;just like evaporation as one end of a pump for plants on Earth is clearly no comparison to any motorized pump for volume<p>But what if we need&#x2F;want volumes? The way we can&#x27;t (or don&#x27;t want to) use trees&#x2F;plants for pumping water in time-efficient manner, we may not (want to) use the gravity brute force based stars as energy sources and we may invent more time-efficient fusion reactors.