A tornado resistant dome house. The shape of the dome house is a spheroid section, and is given by a formula. The dome house shell is made up of a plurality of tiles formed to conform to the shape of the dome house. The tiles are mutually connected by means of horizontally and vertically disposed elongate...http://www.google.es/patents/US7765746?utm_source=gb-gplus-sharePatente US7765746 - Tornado resistant dome house
