K1. Materials Around Us. "The Past, Present, and Possible Future of Humanity and the Biosphere"

K1-1. (Classification of materials) K1-2. (Finding a compromise) K1-3. (Materials of the future) Appendix K1-4. (Evolution of building materials and evolution of architecture) Appendix K1-5. (Graphene, carbon nanotubes, fullerenes)