Originally Posted by Steve_
Originally Posted by esshup
Steve:

Energy wise it is cheaper to move the water to the surface with the bubbles than to pump it. A LOT cheaper.

Yeah, I was kinda thinking that. Water has a lot of resistance, and anyone that's ever used a row boat can attest to that. I can imagine the energy consumption if you tried to rig up some sort of underwater paddlewheel. I guess tiny bubbles it is.

Don Ho agrees too!


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