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. 2022 Oct 28;13:6433. doi: 10.1038/s41467-022-33695-x

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© The Author(s) 2022, corrected publication 2022

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Fig. 3 — A Rotary cycle of a classic 4-stroke LDRM of Fig. 1. B Hypothetical rotary cycle of a 2-stroke LDRM proposed here. The two sequentially absorbed photons are, in general, of different wavelengths.