In constructing a corbeled wall, each course of stones juts out slightly toward the center of the structure, eventually forming a partial interior dome.


Su Nuraxi was excavated in the 1940s and 1950s by the so-called father of Sardinian archaeology, Giovanni Lilliu.


In the lost-wax method, a model of the object to be cast is made in wax and then covered with clay. When baked, the wax runs out, leaving a clay mold for molten metal.


Scholars do not know for certain the source of the tin used in Sardinia and the eastern Mediterranean. Although tin deposits in Sardinia have been exploited in modern times, we have no evidence that they were used in antiquity. One possible source is Iberia, from which the Sardinians imported some metal objects.


See William H. Stiebing, Jr., “When Civilization Collapsed: Death of the Bronze Age,” AO 04:05.


The Sardinians developed no writing of their own. In Greek texts, Sardinia is referred to as Ichnusa (footprint or stepping-stone), possibly a reference to the island’s role as a stopover for ships sailing east and west in the Late Bronze Age and Iron Age Mediterranean.