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Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide. [2] [3]
Clay is a 2005 children's/young adult novel by David Almond.It was shortlisted for the Carnegie Medal and longlisted for the Guardian Children's Fiction Prize. [1]The story, told in first-person, is about two boys, Davie and Stephen, who can make clay come to life.
The Songye people have a creation myth involving two gods, Mwile and Kolombo, creating humans out of clay as part of a rivalry. [28] Some of the Dinka of Sudan believe Nhialac, the creator, formed the humans Abuk and Garang from clay. The clay was put into pots to grow, and eventually came out as fully-grown adults.
The "clay body" is also called the "paste ... The potter's wheel was invented in Europe in the 5th ... Gaimster, David R.M., Pottery in the Making: World ...
Harbutt invented Plasticine around 1897 as a non-drying modelling clay for use by his students. In 1899, Harbutt was awarded a trade mark, and in 1900, a factory was set up at nearby Bathampton to manufacture the product for commercial sale. Harbutt travelled widely to promote the product, and his theories about the teaching of art by allowing ...
During the copper age, the ancient Chinese invented fired bricks as early as 4400BC. In Chengtoushan, fired bricks were used as flooring for houses. [16] Clay was also used as sewer pipes by the Mesopotamians at around 4000 BC, with the earliest examples found in the Temple of Bel in Babylonia.
A link exists between 6,000-year-old engravings on cylindrical seals used on clay tablets and cuneiform, the world’s oldest writing system, according to new research.
The pools were then left to evaporate, leaving behind a moist, clay-like mixture. This wet "concrete" would be carried to the construction site where it would be packed into reusable wooden moulds and in a few days would undergo a chemical reaction similar to the curing of concrete.