A great video on the useful properties of EPS-crete (fire resistance, insulation, flotation, workability):
http://interestingengineering.com/polystyrene-concrete-construction-alternative/
Combined with a laminated fiberglass/basalt/fabric shell, it makes for a lot of interesting structural possibilities.
http://interestingengineering.com/polystyrene-concrete-construction-alternative/
Combined with a laminated fiberglass/basalt/fabric shell, it makes for a lot of interesting structural possibilities.