Researchers turned a 156-year-old law of physics on its head demonstrating that the coupling between two magnetic elements can be made extremely asymmetrical. A development which could lead to more efficient recharging of batteries in cars and mobile phones

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Researchers turned a 156-year-old law of physics on its head demonstrating that the coupling between two magnetic elements can be made extremely asymmetrical. A development which could lead to more efficient recharging of batteries in cars and mobile phones