Science

Britannia metal is a silvery alloy consisting of tin with about 5–15 percent antimony and usually some copper, lead, or zinc. It is a specific…

Chemical vapour deposition (CVD) is a coating process that uses thermally induced chemical reactions at the surface of a heated substrate, with reagents supplied in…

The mineral type of potassium nitrate is Saltpetre, also spelled Saltpeter, also known as Niter, or Nitre (mainly British). It is one of three naturally…

White metals are any of several light-colored alloys used especially as a base for plated silverware and ornaments and novelties. They are any of various…

Latten is an alloy of copper and zinc resembling brass, hammered into thin sheets, and used to make monumental brasses and church ornaments. The term…

Coesite is a very unusual mineral, and it is silica, silicon dioxide (SiO2), high-pressure polymorph (cristal form). It is produced when quartz is exposed to…

The Scottish Borders (Scots: the Mairches, lit. ‘the Marches’; Scottish Gaelic: Crìochan na h-Alba), council area, southeast Scotland, roughly coinciding with the River Tweed drainage…

Al-Rifa’i Mosque (Arabic: مسجد الرفاعي‎, transliterated also as Al-Rifai, Al-Refai, Al-Refa’i, El-Refa’i, and named in English: the Refaai Mosque) is one of Cairo’s largest mosques.…

Ammonium nitrate is the nitric acid ammonium salt; it is a chemical compound containing the chemical formula NH4NO3. At room temperature, it is a colorless…

Ion plating (IP) is the method by which substance coatings, typically a compound or metal, are deposited on target surface areas. It is an exciting…

A Bubbler cylinder is a component of a unit for the metal-organic chemical vapor deposition (MOCVD). They are devices that are used for conveying electronic…

Trachyte is an igneous volcanic rock consisting primarily of alkali feldspar with small quantities of dark minerals such as biotite, amphibole, or pyroxene. It is…