Shells are basic structural elements of modern technology and
everyday life. Examples are automobile bodies, water and oil
tanks, pipelines, aircraft fuselages, nanotubes, graphene sheets
or beer cans. Also nature is full of living shells such as leaves
of trees, blooming flowers, seashells, cell membranes, the double
helix of DNA or wings of insects. In the human body arteries, the
shell of the eye, the diaphragm, the skin or the... more...