Coal gasification, any process of converting coal into gas for use in illuminating and heating. The first illuminating gas…

Chemical element, also called element, any substance that cannot be decomposed into simpler substances by ordinary…

Industrial ceramics, Ceramics are broadly defined as inorganic, nonmetallic materials that exhibit such useful properties as…

Man-made fibre, fibre whose chemical composition, structure, and properties are significantly modified during the manufacturing process. Man-made fibres…

Plastic, polymeric material that has the capability of being molded or shaped, usually by the…

Elastomer, any rubbery material composed of long chainlike molecules, or polymers, that are capable of…

Transportation, the movement of goods and persons from place to place and the various means…

Nuclear power, electricity generated by power plants that derive their heat from fission in a nuclear reactor. Except…

An electron tube has two or more electrodes separated either by vacuum (in a vacuum…

Anode, the terminal or electrode from which electrons leave a system. In a battery or other source of direct current the…