Triply Periodic Minimal Surfaces
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In 1865, H. A. Schwarz found two triply periodic minimal surfaces (P and D)  and his student Edwin Neovius found another one (N). Around 1970, Alan Schoen found the gyroid  and others; many other cases have been discovered [3, 4]. Such surfaces are relevant in biomaterials and the study of several compounds with cubic lattices [5, 6].[more]
 Fiona Meldrum's Group. "Mechanical Properties of Bio-Inspired Materials." (Aug 7, 2013) http://www.inchm.bris.ac.uk/people/meldrum/mech%20props.html.
 P. J. F. Gandy and J. Klinowski, "The Equipotential Surfaces of Cubic Lattices,", Chemical Physics Letters, 360(5–6), 2002 pp. 543–551. doi:10.1016/S0009-2614(02)00864-3.[less]
Contributed by: Enrique Zeleny (August 2013)
Open content licensed under CC BY-NC-SA
 A. H. Schoen, Infinite Periodic Minimal Surfaces without Self-Intersections, NASA Technical Note TN D-5541, Washington, DC: National Aeronautics and Space Administration, 1970.
 E. Zeleny. "The Gyroid" from the Wolfram Demonstrations Project—A Wolfram Web Resource. demonstrations.wolfram.com/TheGyroid.
 The Scientific Graphics Project. "Minimal Surfaces." (Aug 7, 2013) archive.msri.org/about/sgp/jim/geom/minimal/index.html.
 K. Brakke. "Triply Periodic Minimal Surfaces." (Aug 7, 2013) www.susqu.edu/facstaff/b/brakke/evolver/examples/periodic/periodic.html.