An array of tiny rings and wires is all that is needed, Philip Ball discovers, to reverse one of natureÕs rules and make light behave in a Ôleft-handedÕ way.
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Ball, P. Left and light. Nature (2000). https://doi.org/10.1038/news000030-9
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DOI: https://doi.org/10.1038/news000030-9