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J.B.B. created the ideas, conceived and designed the new material geometries and performed the structural analysis. R.M.M. developed the analytical models for the strain energy and moduli and, with H.N.G.W., contributed to refining the concepts, contextualizing the results and providing critiques and assessments.
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The material geometry identified in this work to achieve the theoretical bounds in performance has been included in a Patent Cooperation Treaty (PCT/US2015/010458) by Nama Development, LLC (DE), which is majority-owned by J.B.B.
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Berger, J.B., Wadley, H.N.G. & McMeeking, R.M. Berger et al. reply. Nature 564, E2–E4 (2018). https://doi.org/10.1038/s41586-018-0725-7
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DOI: https://doi.org/10.1038/s41586-018-0725-7
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