Construction on Van Stadens Wind Farm outside Port Elizabeth in the Eastern Cape, was started in September 2012. The South African renewable energy company, MetroWind, is proceeding with the R550-million project which will provide power to the Nelson Mandela Bay municipality. The company will construct nine 3-megawatt wind turbines, boosting the local electricity grid, accounting for nearly half the 10 percent renewable energy […]
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Machiavelli believes that the ends always justify the means, no matter how ruthless, calculating, or immoral those measures are. Although Tony Soprano and Shakespeare’s Macbeth are well-known Machiavellian figures, the man whose name originated the phrase, Niccolo Machiavelli, did not follow his own cynical rule book. Instead, when Machiavelli wrote The Prince, his astute guide
An architect is someone who plans, designs, and supervises building construction. To practice architecture implies to offer services related to the design of structures and the space inside the site around the buildings that have human occupancy or use as their primary goal. The name architect is etymologically derived from the Latin architectus, which is
A currency in the most specific sense is money in any form when in use or circulation as a medium of exchange, especially circulating banknotes and coins. A more general definition is that a currency is a system of money (monetary units) in common use, especially for people in a nation. Under this definition, U.S. dollars (US$), euros (€), Indian rupee (₹), Japanese yen (¥), and pounds sterling (£) are examples of currencies. Currencies may act as stores
In computer programming, machine code is any low-level programming language, consisting of machine language instructions, which is used to control a computer’s central processing unit (CPU). Each instruction causes the CPU to perform a very specific task, such as a load, a store, a jump, or an arithmetic logic unit (ALU) operation on one or more units of data in the CPU’s registers or memory. Machine code is a
Power system protection is a branch of electrical power engineering that deals with the protection of electrical power systems from faults through the disconnection of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the power system stable by isolating only the components that are under fault, whilst leaving as much of
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A chemical element, often simply called an element, is a species of atoms which all have the same number of protons in their atomic nuclei. Atomic number Symbol Name Phase at r.t. 1 H Hydrogen gas 2 He Helium gas 3 Li Lithium solid 4 Be Beryllium solid 5 B Boron solid 6 C Carbon solid 7 N Nitrogen gas 8
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In the United States, a state is a constituent political entity, of which there are currently 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sovereignty with the federal government. Due to this shared sovereignty, Americans are citizens both of the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no
In mathematics, physics and engineering, a Euclidean vector or simply a vector (sometimes called a geometric vector or spatial vector) is a geometric object that has magnitude (or length) and direction. Vectors can be added to other vectors according to vector algebra. A Euclidean vector is frequently represented by a ray (a directed line segment), or graphically as an arrow connecting an initial point A with a terminal point B. A vector is what is needed to “carry” the