While many in many countries suffer regular power blackouts (“euphe-mistically called ‘power-holidays’” in India), Yale researches reported, “A new kind of generator could supply electricity for more than a half billion people using energy from rivers flowing into oceans.” The “salinity gradient” could make that possible. Learn about it here.
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Wiki-image by Merlin of Poland’s Solina dam used according to CC BY-SA 3.0.
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