Simulations reveal that microwaves propagating through a waveguide can travel around sharp bends in the device without being reflected. The finding might open the way to technologies that exploit this uncommon phenomenon.
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Mittal, S., Hafezi, M. Round the bend with microwaves. Nature 522, 292–293 (2015). https://doi.org/10.1038/nature14533
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DOI: https://doi.org/10.1038/nature14533