You put ocean water into a container on top of
which there is a nozzle that twists downward into
a catchments vessel. Then you boil it. Water vapor
will condense into the nozzle, and run down into
the catchments vessel, and the salt will be left
behind in the original container.
there is an endless supply of seawater, because
rain that falls on land ultimately flows into the
sea.Cons: this takes a *lot* of energy.
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