Researchers Demonstrate Cooling Through Permselective Nanopores

Have you ever wondered how water boils in an electric kettle- Most people may think electricity simply heats up the metal coil inside the kettle, which then transfers the heat to the water. But electricity can do more than that. Heat can be generated when electricity makes ions in solution flow. When all the ions and surrounding molecules can move freely, this heating effect is evened out across the whole solution. Now researchers from Japan have investigated what happens when this flow is blocked in one direction.