Since the mid 1950s, when urethane foam first made its appearance in the American market, growth has been little short of fantastic.

Since the 1950s, this type of fiction has to a large extent merged with science fictional tropes involving cross-time travel between alternate histories or psychic awareness of the existence of " our " universe by the people in another ; or ordinary voyaging uptime ( into the past ) or downtime ( into the future ) that results in history splitting into two or more time-lines.

Since the 1950s, Prince Philip has also added herbaceous borders and a water garden.

Since the growth of global fishing enterprises after the 1950s, intensive fishing has spread from a few concentrated areas to encompass nearly all fisheries.

" Since the 1950s conservatism in the United States has been chiefly associated with the Republican Party.

* Since the 1950s, the United States Atomic Energy Commission has named its highest honor, the Fermi Award, after him.

Since the 1950s, hydrology has been approached with a more theoretical basis than in the past, facilitated by advances in the physical understanding of hydrological processes and by the advent of computers and especially geographic information systems ( GIS ).

Since the 1950s, when Lacan and Foucault argued that each epoch has its own knowledge system, which individuals are inexorably entangled with, many post-structuralists have used historicism to describe the view that all questions must be settled within the cultural and social context in which they are raised.

Since the 1950s, many blues harmonica players have amplified their instrument with microphones and tube amplifiers.

Since the 1950s and 1960s in particular, the Irish have become assimilated into the British population.

Since the 1950s, following the lead of D. W. Jefferson, there are those who argue that, whatever its legacy of influence may be, Tristram Shandy in its original context actually represents a resurgence of a much older, Renaissance tradition of " Learned Wit " – owing a debt to such influences as the Scriblerian approach.

Since the 1950s, manga has steadily become a major part of the Japanese publishing industry, representing a ¥ 406 billion market in Japan in 2007 ( approximately $ 3. 6 billion ) and ¥ 420 billion ($ 5. 5 billion ) in 2009.

Since the 1950s however, manufacturing shortcuts have resulted in a quality decline of machetes.

Since trade was restricted in the 1950s they have found work as high altitude porters, guides, cooks and other accessories to tourism and alpinism.

Since the early 1970s, oral history in Britain has grown from being a method in folklore studies ( see for example the work of the School of Scottish Studies in the 1950s ) to becoming a key component in community histories.

Since the 1950s, the club's helmets have featured eagle wings, originally silver on a kelly green helmet.

Since the late 1950s, almost all phono input stages have used the RIAA equalization standard.

Since the 1950s, television has been the main medium for molding public opinion.

Since the 1950s, television has been the main medium for molding public opinion.

Since the 1950s, Montevideo's prosperous middle classes have tended to abandon the formerly fashionable downtown areas for the more modern high-rise apartment buildings of Pocitos, a beachfront neighborhood east of the center.

Since the late 1950s, aerospace engineers have used the term " unobtainium " when referring to unusual or costly materials, or when theoretically considering a material perfect for their needs in all respects, except that it does not exist.

Since the end of the 20th century, the economic strength during the 1920s has drawn close comparison with the 1950s and 1990s, especially in the United States of America.

Since the 1950s, Real Madrid and Barcelona have dominated the championship.

: Since the 1950s, both the atmospheric CO < sub > 2 </ sub > level and obesity levels have increased sharply.

Since then, the Cockney accent has been more accepted as an alternative form of the English Language rather than an ' inferior ' one ; in the 1950s the only accent to be heard on the BBC ( except in entertainment programmes such as Sooty ) was RP, whereas nowadays many different accents, including Cockney or ones heavily influenced by it, can be heard on the BBC.

Since the election of a number of petition-nominated trustees to the Board of Trustees starting in 2004, the role of alumni in Dartmouth governance has been the subject of ongoing conflict.

Since 1991, Dartmouth students have been required to own a personal computer.

" Since then, Dartmouth has graduated over 700 Native American students from over 200 different tribes, more than the other seven Ivy League universities combined.

Since at least Dartmouth College v. Woodward ( 1819 ), the U. S. Supreme Court has recognized corporations as having the same rights as natural persons to contract and to enforce contracts.

Since the 1960s, Dartmouth has been home to the University of Massachusetts Dartmouth campus, located on Old Westport Road, just southwest of the Smith Mills section of town.

Since the Stadium's opening, only two Princeton Tigers have rushed for over 200 yards in a single game at home: Cameron Atkinson ran for 233 yards against Dartmouth on November 23, 2002, and current all-ivy junior running back Jordan Culbreath rushed for 276 yards against Dartmouth on November 22, 2008.

Since the year 1990, Treut has been teaching, lecturing and curating retrospectives of her work at Colleges across the United States ( Vasser, Hollins, Dartmouth ), at Art Institutes ( SFAI ) and at Universities ( IU Bloomington, UI Chicago, UC San Diego and Cornell U ).

Since 1991, he has taught at Dartmouth College, where he was awarded the Appleton Professorship of Natural Philosophy in 1999, and is currently a professor of physics and astronomy.

Since the following two hundred years saw the rise of the Classical Greek civilization, which has been enduringly influential in western society, the Battle of Marathon is often seen as a pivotal moment in European history.

The early 1980s saw further chart successes in the US with " Since I Don't Have You ", a new recording of " Castles in the Air " and " It's Just the Sun ".

Since France had been defeated on these two fronts, states previously conquered and controlled by Napoleon saw a good opportunity to strike back.

Since hip hop was experienced primarily via audio and not by video, most people never knew that DJ Disco Wiz was Puerto Rican and Cuban until they saw him.

Since fresh meat was difficult to get to the soldiers on the front, World War II saw the largest use of Spam.

Since e-mail is faster than the standard postal service, the rise of the Internet saw a shift of people playing board wargames from play-by-mail ( PBM ) to play-by-email ( PBEM ) or play-by-web ( PBW ).

Since Linnaeus never saw an herbarium specimen ( if there ever was one ) of Plumier's Magnolia and had only his description and a rather poor picture at hand, he must have taken it for the same plant which was described by Catesby in his 1730 Natural History of Carolina.

Since in his own mind, he was still Germany's leader, Dönitz saw himself as Raeder's superior, and expected Raeder to be his subordinate.

Since then William had never forgotten this and after the fall of Napoleon he saw a chance.

Since many of CBS ' affiliates had pre-empted that slot for years to air other programming, and continued to do so for Press Your Luck, some markets saw the series disappear altogether.

Since the 1920s, the appearance of the " modern girl " ( moga ) and " modern boy " ( mobo ) saw an increase in the number of women taking on the role of industrial and white-collar workers and consumers.

All-white doo-wop groups were also appearing ; The Mello-Kings ' 1956 " Tonight, Tonight " and The Diamonds ' chart-topping " Little Darlin '" in 1957, The Skyliners ' 1959 " Since I Don't Have You " and 1960 " This I Swear ", The Tokens ' 1961 " Tonight I Fell In Love " and " I Love My Baby " all saw success.

Since forming a club and joining Sverok meant receiving funds ( rather than paying a membership fee ) many teenagers saw it as a good way of getting some gaming supplements essentially for free.

Since the risk of halothane hepatitis in children was substantially lower than in adults, halothane saw continued use in pediatrics in the 1990s.

Since then, both 2009 and 2010 saw fewer registered accidents, 122 and 130, respectively.

Since UA was barely alive, Pickford saw nothing to lose and agreed.

Since the subjective test focusing on predisposition had, unlike the exclusionary rule, not been applied to the states, they were free to follow it as they saw fit.

Since 1986 saw the rise of David Rudder, brass bands have began to dominate the Carnival competitions.

Since Whitehouse had not herself seen the play, the prosecution evidence rested on the testimony of her solicitor, Graham Ross-Cornes, who claimed he saw the actor's penis, but had seen the play from the back row of the stalls 90 feet from the stage.

Since Marxism emphasises the contingency of political developments on material historical circumstances ( as against ' idealism '), it is worthwhile to have some idea of how Marx saw the context in which he advocated ' permanent revolution '.

Since 1848, the German states saw a resurgence of Catholic monastic life and a growth in the number of monasteries and convents.

Since most of the warring had taken place, warlords no longer saw any reason to train their armies, resulting in a rapid military decline by the end of Qianlong's reign.

Since Piłsudski disapproved of political parties, which he saw as promoting their own interests rather than supporting the state and the people, the Sanation movement never led to the creation of a political party.

Since the Wilson's memorandum covered only weapons, not space launchers, the Army Ballistic Missile Agency ( ABMA ) saw this as a way to continue development of their own large-rocket projects.

Since consumers could only listen online to music they already proved they owned the company saw this as a great opportunity for revenue by allowing fans to access their own music online.