Science

Zinc aluminum (ZA) alloys are alloys with zinc as the base metal, with higher concentrations of aluminum when compared to traditional zinc alloys. These alloys…

Propionic acid (/proʊpiˈɒnɪk/), also known as propionate or acid propanoique, is a carboxylic acid with a chemical formula CH3CH2CO2H that occurs naturally. Carboxylic acids are…

Vitrain is a type of coal occurring as horizontal glassy bands of a nonsoiling friable material. It is a type of coal. Its combustion leads…

Pot metal is an alloy of copper and lead, formerly used for making plumbing fixtures, bearings, etc. It is an alloy of low-melting-point metals that…

Nanolamination is the production of materials that are fully dense, ultra-fine grained solids that exhibit a high concentration of interface defects. The properties of fabricated nanolaminates…

Plated means coated with a thin film of gold, silver, etc., as for ornamental purposes. Plated ware refers to articles chiefly intended for tableware consisting…

The Mosque of Amr ibn al-As (Arabic: جامع عمرو بن العاص‎), Egypt’s first Islamic structure, built by Amr ibn al-As, the leader of an invading…

Pewter is a grey alloy of tin with copper and antimony (formerly, tin and lead). It is a malleable metal alloy composed of 85–99% tin,…

Kieserite (MgSO4·H2O) is the mineral for magnesium sulfate and found in deposits of evaporite. Named for Dietrich Georg Kieser (August 24, 1779, Harburg / Elbe-October…

Electropolishing represents the reversal of the electrolytic process. It is an electrochemical process that removes material from a metallic workpiece, reducing the surface roughness by…

Barnacle (Balanus glandula), also known as ‘cirripede’, is an arthropod of the subclass Cirripedia in the subphylum Crustacea and is thus related to crabs and…

Metatorbernite is a mineral Cu(UO2)2(PO4)2.8H2O consisting of a hydrous phosphate of copper and uranium containing less water than torbernite. It is a radioactive phosphate mineral…