Continuous mining; Continuous miners

First introduced in the late 1940’s, continuous miners provided a quantum leap in the speed and efficiency of extracting coal. Modern versions operate on basically the same principal as their predecessors using a large rotating steel drum equipped with tungsten carbide steel teeth or cutting bits to cut the coal. Continuous mining currently accounts for …

Devon

Devon Energy Corporation is one of the world’s leading independent oil and gas exploration and production companies. Devon’s operations are focused primarily in the United States and Canada; however, the company also explores for and produces oil and natural gas in select international areas. Devon is also one of North America’s larger processors of natural …

Nuclear power station Israel; Nuclear power station for the generation of electricity in the Negev at Shivta (Israel); Soreq Nuclear Research Center

Netanyahu’s government has approached the US in the aim to try to promote the construction of a nuclear power station at Shivta in the Negev as the best solution to the shortage of electricity generation. A report prepared for the Infrastructure Ministry by one of the world’s largest energy companies indicated that a nuclear plant …

Actinide

An element with atomic number of 89 (actinium) to 102. Usually applied to those above uranium – 93 up (also called transuranics). Actinides are radioactive and typically have long half-lives. They are therefore significant in wastes arising from nuclear fission, e.g. used fuel. They are fissionable in a fast reactor.