Berger, J. B.Wadley, H. N. G.McMeeking, R. M.2017-08-202017-08-202017-03-23Berger, J B, Wadley, H N G & McMeeking, R M 2017, 'Mechanical metamaterials at the theoretical limit of isotropic elastic stiffness', Nature, vol. 543, pp. 533-537. https://doi.org/10.1038/nature210750028-0836http://hdl.handle.net/2164/9176Acknowledgements H.N.G.W. is grateful for support for this work by the ONR (grant number N00014-15-1-2933), managed by D. Shifler, and the DARPA MCMA programme (grant number W91CRB-10-1-005), managed by J. Goldwasser.5307539548124538635459772engTA Engineering (General). Civil engineering (General)TAJournal item10.1038/nature21075