Search Results: Nitric oxide

A distinctive red and black colour scheme characterises most of the painted pottery of sixth- and fifth-century Athens. The colours result from the skilful exploitation of the high iron content of Athenian clay by an ingenious process of...

The 167 stained glass windows of Chartres Cathedral, built 1190-1220 CE, are the most complete group surviving anywhere from the Middle Ages. Several windows date to the mid-12th century CE while over 150 survive from the early 13th century...

The pottery of ancient Korea stretches back to prehistory when simple brown wares were made and decorated with geometrical incisions. Potters would benefit from the ideas and techniques of their Chinese counterparts and go on to produce their...

Gold, chemical symbol Au (from the Latin aurum meaning 'shining dawn'), is a precious metal which has been used since antiquity in the production of jewellery, coinage, sculpture, vessels and as a decoration for buildings, monuments and statues...

Etruscan pottery, produced over five centuries, was nothing if not varied. Indigenous wares such as the glossy black bucchero were made alongside red- and black-figure pottery imitating, yet modifying those produced in the Greek world. Geometric...

Egyptian faience is a glassy substance manufactured expertly by the ancient Egyptians. The process was first developed in Mesopotamia, first at Ur and later at Babylon, with significant results but faience production reached its height of...

Bucchero wares are a shiny dark grey to black pottery produced by the Etruscans of central Italy from the 7th to 4th century BCE. Used for everyday purposes and as funerary and votive objects, bucchero incorporates many forms from simple...

Greek pottery has four main types: Geometric, Corinthian, Athenian Black-figure, and Athenian red-figure pottery. Pottery vessels were made for everyday use such as the two-handled amphora for storage, the single-stem kylix cup for drinking...

The porcelain of the Ming Dynasty of China (1368-1644 CE) benefitted, as did other arts, from the economic success of the 15th century CE, in particular, and the consequent surge in demand for quality handcraft production both at home and...

Orichalcum ("mountain copper") or aurichalcum ("gold copper") was a metal used in coins during ancient times. Orichalcum was a golden-yellow coloured mixture consisting of both copper and zinc and referred to as brass. The Romans were the...