|
Overengineering
Overengineering, or over-engineering, is the act of designing a product or providing a solution to a problem that is complicated in a way that provides no value or could have been designed to be simpler. It has been employed intentionally in situations where an exceptionally wide margin of error is desired, but is otherwise considered an error of design due to the disproportionate time and resources needed to manufacture and maintain such products, as well as the introduction of unneeded single points of failure. As a design philosophy, it is a violation of the practice of value engineering and the minimalist ethos of "less is more" or " worse is better", as well as the related KISS principle. NASA listed excessive features as one of the top 10 risks of failure for development projects, and Mercedes-Benz developed and removed 600 non-essential features from their cars due to malfunctions, lack of usability and customer complaints. Characteristics Overengineering is often ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Value Engineering
Value engineering (VE) is a systematic analysis of the functions of various components and materials to lower the cost of goods, products and services with a tolerable loss of performance or functionality. Value, as defined, is the ratio of function to cost. Value can therefore be manipulated by either improving the function or reducing the cost. It is a primary tenet of value engineering that basic functions be preserved and not be reduced as a consequence of pursuing value improvements. The term "value management" is sometimes used as a synonym of "value engineering", and both promote the planning and delivery of projects with improved performance. The reasoning behind value engineering is as follows: if marketers expect a product to become practically or stylistically obsolete within a specific length of time, they can design it to only last for that specific lifetime. The products could be built with higher-grade components, but with value engineering they are not because thi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feature Creep
Feature creep is the excessive ongoing expansion or addition of new features in a product, especially in computer software, video games (where it should not be confused with power creep) and consumer and business electronics. These extra features go beyond the basic function of the product and can result in software bloat and over-complication, rather than simple design. The definition of what qualifies as "feature creep" varies among end users, where what is perceived as such by some users may be considered practical functionality by others. Feature creep is one of the most common sources of cost and schedule overruns. It thus endangers and can even kill products and projects. Causes Feature creep may arise from the desire to provide the consumer with a more useful or desirable product in order to increase sales or distribution. Once a product does everything that it is designed to do, the manufacturer may add functions some users might consider unneeded (sometimes at the cos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peering Into The Black Box, Revisited (44738147682) - Disassembled Juicero Press
In computer networking, peering is a voluntary interconnection of administratively separate Internet networks for the purpose of exchanging traffic between the "down-stream" users of each network. Peering is settlement-free, also known as "bill-and-keep" or "sender keeps all", meaning that neither party pays the other in association with the exchange of traffic; instead, each derives and retains revenue from its own customers. An agreement by two or more networks to peer is instantiated by a physical interconnection of the networks, an exchange of routing information through the Border Gateway Protocol (BGP) routing protocol, tacit agreement to norms of conduct and, in some extraordinarily rare cases (0.07%), a formalized contractual document. In 0.02% of cases the word "peering" is used to describe situations where there is some settlement involved. Because these outliers can be viewed as creating ambiguity, the phrase "settlement-free peering" is sometimes used to explicitly den ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aerospace
Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial, and military applications. Aerospace engineering consists of aeronautics and astronautics. Aerospace organizations research, design, manufacture, operate, maintain, and repair both aircraft and spacecraft. The border between space and the atmosphere has been proposed as above the ground according to the physical explanation that the air density is too low for a lifting body to generate meaningful lift force without exceeding orbital velocity. This border has been called the Kármán line. Overview In most industrial countries, the aerospace industry is a co-operation of the public and private sectors. For example, several states have a civilian space program funded by the government, such as NASA, National Aeronautics and Space Administration in the United States, European Space Agency in Europe, the Canadian Space A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auto Racing
Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. In North America, the term is commonly used to describe all forms of automobile sport including non-racing disciplines. Auto racing has existed since the invention of the automobile. Races of various types were organized, with the first recorded as early as 1867. Many of the earliest events were effectively Classic trials, reliability trials, aimed at proving these new machines were a practical mode of transport, but soon became an important way for automobile makers to demonstrate their machines. By the 1930s, specialist racing cars had developed. There are now numerous different categories, each with different rules and regulations. History The first prearranged match race of two self-powered road vehicles over a prescribed route occurred at 4:30 A.M. on August 30, 1867, between Ashton-under-Lyne and Old Trafford, England, a di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ferdinand Porsche
Ferdinand Porsche (3 September 1875 – 30 January 1951) was a German automotive engineering, automotive engineer and founder of the Porsche, Porsche AG. He is best known for creating the first Petrol engine, gasoline–Electric motor, electric Hybrid electric vehicle, hybrid vehicle (Lohner–Porsche), the Volkswagen Beetle, the Auto Union racing cars, the Mercedes-Benz SSK, Mercedes-Benz SS/SSK, and several other important developments and Porsche automobiles. An important contributor to the German war effort during World War II, Porsche was involved in the production of advanced tanks such as the VK 45.01 (P), the Elefant (initially called "Ferdinand") self-propelled gun, and the Panzer VIII Maus super-heavy tank, as well as other weapon systems, including the V-1 flying bomb. Porsche was a member of the Nazi Party and an SS-Ehrenführer, honorary Oberführer of the Allgemeine SS. He was a recipient of the German National Prize for Art and Science, the SS-Ehrenring and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
One-horse Shay
A chaise ( ), sometimes called shay, is a light two-wheeled carriage for one or two people. It may also have a folding hood. The coachmaker William Felton (1796) considered ''chaises'' a family of vehicles which included all two-wheel one-horse vehicles such as gigs and whiskies, whereas a similar carriage pulled by two-horses was considered a curricle. Etymology The name, in use in England before 1700, came from the French word , meaning ''chair''. The spelling ''shay'' is a colloquial variant of ''chaise'', particularly in North America. A variant ''chay'' is slang and sometimes refers to other types of vehicle. Design The chaise is a two-wheeled carriage pulled by a single horse, usually with a chair-backed seat suitable for one or two persons. Felton writes that it is the finished look which dictates which type of chaise they are, but their construction is one of only two types: "the one, a chair-back body for gig or curricle, which hangs by braces—the other, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oliver Wendell Holmes Sr
Oliver Wendell Holmes Sr. (; August 29, 1809 – October 7, 1894) was an American physician, poet, and polymath based in Boston. Grouped among the fireside poets, he was acclaimed by his peers as one of the best writers of the day. His most famous prose works are the "Breakfast-Table" series, which began with '' The Autocrat of the Breakfast-Table'' (1858). He was also an important medical reformer. In addition to his work as an author and poet, Holmes also served as a physician, professor, lecturer, and inventor. Born in Cambridge, Massachusetts, Holmes was educated at Phillips Academy and Harvard College. After graduating from Harvard in 1829, he briefly studied law before turning to the medical profession. He began writing poetry at an early age; one of his most famous works, " Old Ironsides", was published in 1830 and was influential in the eventual preservation of the USS ''Constitution''. Following training at the prestigious medical schools of Paris, Holmes was grante ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Deacon's Masterpiece
''The'' is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the most frequently used word in the English language; studies and analyses of texts have found it to account for seven percent of all printed English-language words. It is derived from gendered articles in Old English which combined in Middle English and now has a single form used with nouns of any gender. The word can be used with both singular and plural nouns, and with a noun that starts with any letter. This is different from many other languages, which have different forms of the definite article for different genders or numbers. Pronunciation In most dialects, "the" is pronounced as (with the voiced dental fricative followed by a schwa) when followed by a consonant sound, and as (homophone of the archaic pronoun ''thee' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diminishing Returns
In economics, diminishing returns means the decrease in marginal (incremental) output of a production process as the amount of a single factor of production is incrementally increased, holding all other factors of production equal ('' ceteris paribus''). The law of diminishing returns (also known as the law of diminishing marginal productivity) states that in a productive process, if a factor of production continues to increase, while holding all other production factors constant, at some point a further incremental unit of input will return a lower amount of output. The law of diminishing returns does not imply a decrease in overall production capabilities; rather, it defines a point on a production curve at which producing an additional unit of output will result in a lower profit. Under diminishing returns, output remains positive, but productivity and efficiency decrease. The modern understanding of the law adds the dimension of holding other outputs equal, since a giv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Premature Optimization
In computer science, program optimization, code optimization, or software optimization is the process of modifying a software system to make some aspect of it work more efficiently or use fewer resources. In general, a computer program may be optimized so that it executes more rapidly, or to make it capable of operating with less memory storage or other resources, or draw less power. Overview Although the term "optimization" is derived from "optimum", achieving a truly optimal system is rare in practice, which is referred to as superoptimization. Optimization typically focuses on improving a system with respect to a specific quality metric rather than making it universally optimal. This often leads to trade-offs, where enhancing one metric may come at the expense of another. One popular example is space-time tradeoff, reducing a program’s execution time by increasing its memory consumption. Conversely, in scenarios where memory is limited, engineers might prioritize a slower ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Productivity
Productivity is the efficiency of production of goods or services expressed by some measure. Measurements of productivity are often expressed as a ratio of an aggregate output to a single input or an aggregate input used in a production process, i.e. output per unit of input, typically over a specific period of time. The most common example is the (aggregate) labour productivity measure, one example of which is GDP per worker. There are many different definitions of productivity (including those that are not defined as ratios of output to input) and the choice among them depends on the purpose of the productivity measurement and data availability. The key source of difference between various productivity measures is also usually related (directly or indirectly) to how the outputs and the inputs are aggregated to obtain such a ratio-type measure of productivity. Productivity is a crucial factor in the production performance of firms and nations. Increasing national productivi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
