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Students are given the opportunity to try a lesser known method of providing an energy source.
Electricity from osmotic pressure might seem a far-fetched idea but this article describes a prototype in Norway where the osmotic pressure generated between salt and fresh water drives a turbine. This idea was applied in a student investigation, where they were tasked with researching which alternative materials could be used for the semipermeable membrane and how advances in nanotechnology could provide a suitable material allowing full-scale power stations to be built. This link between nanomaterials and large-scale power production came as a surprise to the student group.
