Prehistoric technology Ground and polished stone tools continued to be created and used during the Neolithic period. Numeric record keeping evolved from a system of counting using small clay tokens that began in Sumer about 8000 BC. The Stone Age developed into the Bronze Age after the Neolithic Revolution. The Neolithic Revolution involved radical changes in agricultural technology which included development of agriculture, animal domestication, and the adoption of permanent settlements. The Bronze Age is characterised by metal smelting of copper and its alloy bronze, an alloy of tin and copper, to create implements and weapons. Polished stone tools continued to be
Neolithic Greece Tsangli, was first developed during the Middle Neolithic period; the "Tsangli-type" dwelling has two interior buttresses on each side (designed to support the roof of the house and divide the dwelling space into separate rooms for distinct functions such as storage, food preparation and sleep quarters) with a row of posts in the center of the square room. In the realm of art, the meander-labyrinth motif was found on seals and jewellery of the Early Neolithic period and, to a lesser extent, of the Middle Neolithic period. The Middle Neolithic period ended with the devastation of certain settlements by fire;