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 later 20th century, use of CE and BCE has been popularized in academic and scientific publications, and more generally by publishers emphasizing secularism or sensitivity to non-Christians.

Since the 1960s, academic history has seen the emergence of new approaches and topics such as social history, demographic history, ethnic history, women's history, environmental history and cultural history.

Since 1943 Kuleshov was serving as the academic rector of Gerasimov Institute of Cinematography.

Since 2000, Process Psychology has progressed as an independent academic and therapeutic discipline.

Since the early nineteenth century, various different approaches have emerged in the West to theology as an academic discipline.

Since its establishment in Ann Arbor, the university has physically expanded to include more than 584 major buildings with a combined area of more than 31 million gross square feet ( 712 acres or 2. 38 km² ), and transformed its academic program from a strictly classical curriculum to one that includes science and research.

Since the last reorganization in 1999 the university has a separate body called the academic senate, which is a wider, but mostly advisory group representing teaching staff / researchers and students.

Since 1997 the college has always come at least eighth in the Tompkins Table, which ranks the 29 Cambridge colleges according to the academic performance of their undergraduates, and on five occasions it has been in first place.

Since the mid-twentieth century, there has been a significant increase in interest in Gregory's works from the academic community, which has resulted in challenges to many traditional interpretations of his theology.

Since 1976 Wolpoff has graduated 14 Ph. D. students, 7 women and 7 men, all but two of whom have academic positions.

Since the publication of Edward Said's Orientalism, the term has tended to acquire acquired a negative connotation, and in much academic discourse become shorthand for Western feelings of superiority over, and overlooking of the views of, Asian and North African cultures.

Since the 18th century, " Orientalist " has been the traditional term for a scholar of Oriental studies ; however the use in English of " Orientalism " to describe the academic subject of " Oriental studies " is rare ; the Oxford English Dictionary cites only one such usage, by Lord Byron in 1812.

Since 1989 they have hosted an annual international conference and published its proceedings, and since 1999 have published a biannual academic journal titled " SIGKDD Explorations ".

Since the mid-1990s, with the redistribution of tapes and CDs of Round The Horne starring Kenneth Horne, Kenneth Williams and Hugh Paddick, and increasing academic interest, Polari has undergone something of a revival.

Since the 1960s, many of these schools have become defunct as a result of financial difficulties stemming from parents ' decreased interest in paying for such an education for their daughters, and changing societal norms making it easier for daughters to pursue academic and professional paths not open to previous generations.

Since Chinese Americans were already nearly half the student population, the consent decree had the effect of requiring competitive Lowell high school to apply much higher academic admission standards for Chinese American students than other students.

Since its foundation, the University has consistently been focused on academic improvement, which has led UDP to be positioned as one of the best universities in Chile.

Since 1993, the University has embarked on a process of consolidation and growth in its academic programme.

Since July 2007, the Allegheny Intermediate Unit ( AIU ) has managed all academic and business operations of the Duquesne's K-8 school district.

Since its opening, Atascocita High School has garnered an impressive list of academic accolades including being labeled a " Recognized " campus by the Texas State Board of Education in 2010.

Since considerable academic restructuring in 2008, the college has three academic faculties:

Since January 2003, Penthouse International has been working with FCC, DISA and various agencies as well as several academic universities to offer Penthouse HDTV on cell phones using regular the United States TV broadcaster and Internet Service Providers.

Since LyX largely functions as a front-end to the LaTeX typesetting system, it has the power and flexibility of LaTeX, and can handle documents including books, notes, theses, to academic papers, letters, etc.