Ceramic artCeramic art, one of the plastic arts, is art made from ceramic materials, including clay. Ceramic art may take forms such as pottery, tiles, figurines, sculptures, and tableware. While some ceramic products are considered fine art, others are considered decorative, industrial, or applied art objects. Ceramics may also be considered artefacts in archaeology. People design, manufacture, and decorate pottery in pottery or ceramic factories.
TerracottaTerracotta, also known as terra cotta or terra-cotta (Italian: [ˌtɛrraˈkɔtta]; lit. 'baked earth'; from Latin terra cocta 'cooked earth'), is a clay-based non-vitreous ceramic fired at relatively low temperatures. The term is used for earthenware objects of certain types, as set out below.
TechnologyUse of knowledge for practical goalsFor other uses, see Technology (other).A steam turbine with the case opened, an example of energy technologyTechnology is the application of conceptual knowledge to achieve practical goals, especially in a reproducible way. The word technology can also mean the products resulting from such efforts, including both tangible products such as tools or machines, and intangible ones such as software.
ClayClay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, Al2Si2O5(OH)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. Clays develop plasticity when wet but can be hardened through firing. Clay is the longest-known ceramic raw material.
ArchaeologyArchaeology or archeology is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities.
SculptureArtworks that are three-dimensional objectsDying Gaul, or The Capitoline Gaul, a Roman marble copy of a Hellenistic work of the late 3rd century BCE, Capitoline Museums, RomeAssyrianlamassu gate guardian from Khorsabad, c. 800–721 BCEMichelangelo's Moses, (c. 1513–1515), San Pietro in Vincoli, Rome, for the tomb of Pope Julius IINetsuke of tigress with two cubs, mid-19th-century Japan, ivory with shell inlayThe Angel of the North by Antony Gormley, 1998The Litlington White Horse, a monumental work of stone sculpture created by exposing the underlying chalk bedrock.Sculpture is the branch of the visual arts that operates in three dimensions.
Timeline of historic inventionsThe timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. This page lists non-incremental inventions that are widely recognised by reliable sources as having had a direct impact on the course of history that was profound, global, and enduring. The dates in this article frequently use the units mya and kya, which refer to millions and thousands of years ago, respectively.
TablewareTableware items are the dishware and utensils used for setting a table, serving food, and dining. The term includes cutlery, glassware, serving dishes, serving utensils, and other items used for practical as well as decorative purposes. The quality, nature, variety and number of objects varies according to culture, religion, number of diners, cuisine and occasion.
Insulator (electricity)An electrical insulator is a material in which electric current does not flow freely. The atoms of the insulator have tightly bound electrons which cannot readily move. Other materials—semiconductors and conductors—conduct electric current more easily. The property that distinguishes an insulator is its resistivity; insulators have higher resistivity than semiconductors or conductors. The most common examples are non-metals.
PrehistoryPrehistory, sometimes referred to as pre-literary history, is the period of human history between the first known use of stone tools by homininsc. 3.3million years ago and the beginning of recorded history with the invention of writing systems. The use of symbols, marks, and images appears very early among humans, but the earliest known writing systems appeared c. 5,200 years ago.
ToiletA toilet is a piece of sanitary hardware (sanitaryware) that collects human waste (urine and feces) and sometimes toilet paper, usually for disposal. Flush toilets use water, while dry or non-flush toilets do not. They can be designed for a sitting position popular in Europe and North America with a toilet seat, with additional considerations for those with disabilities, or for a squatting posture more popular in Asia, known as a squat toilet.
ASTM InternationalASTM International, formerly known as American Society for Testing and Materials, is a standards organization that develops and publishes voluntary consensus technical international standards for a wide range of materials, products, systems and services. Some 12,575 apply globally. The headquarters is in West Conshohocken, Pennsylvania, about 5 mi (8.0 km) northwest of Philadelphia.
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