However, this scenario can be resolved within the standard framework of special relativity ( because the twins are not equivalent ; the space twin experienced additional, asymmetrical acceleration when switching direction to return home ), and therefore is not a paradox in the sense of a logical contradiction.

However, there are twin cities which have been able to resist this final union and have maintained individual identity against the tides of history, economics and demographics.

However, in the same study, the authors noted that " nongenetic alternative explanations cannot be ruled out " as a reason for the heterosexual in the homosexual-heterosexual twin pair having more partners, specifically citing " social

However, some of the Faithful escaped and founded the twin kingdoms of Gondor and Arnor.

However, Screwface's identical twin brother, who runs the Chicago Posse crime business arrives and kills Charles making the gang and the audience believe that Screwface returned from the dead where in fact he actually committed all the Screwface crimes in Chicago, such as trying to murder Hatcher and his sister.

However, Betty and Veronica often unite against Cheryl when she tries to lure Archie away so he doesn't cheat on Betty. Jason Blossom, Cheryl's twin brother, has genuine interest towards Betty instead of the popular Veronica, which makes Archie jealous.

However, in 1812, Matthew Murray and John Blenkinsop had produced the first twin cylinder steam locomotive, Salamanca, for Middleton Colliery railway near Leeds, using a pinion engaging with teeth along the iron edge rails track ( first rack railway ).

However there was still considerable wear to the track, and the engines were rebuilt using twin four-wheeled bogies, introduced in Blackwell's design mentioned above.

However, a 1980s Ocean Comics Popeye comic book miniseries presented the two characters as twin brothers.

However, wave boards now feature some twin fin, tri fin and quad fin designs.

However, the tribunal was interrupted by an attack from Fenris, the twin children of Baron Wolfgang von Strucker.

However, the BMW twin turbo unit remained noticeably more agile and responsive from a driver's perspective, due to its more responsive DOHC engine, better weight balance ( maintaining a 51. 1 / 48. 9 weight distribution ) and almost.

However, progesterone is not effective in all populations, as a study involving twin gestations failed to see any benefit.

However, it shares the same mechanical and design features as its twin.

However, its full significance was not to be realized until a couple of decades later, through the period of globalization, in a world where fast communication still had to find the means to meet the twin challenge of ignorance and mis-understanding partly caused by knowledge.

However at extreme depths the diver will use gas fast, and there have been cases where twin 10 litre 300 bar sets were required to supply sufficient gas.

However considering Conner's twin brother attended the Wind Ninja Academy it is possible the two towns are relatively nearby one another, explaining Mesogog's statement.

However, twin float designs facilitate mooring and boarding, and – in the case of bombers – leave the belly free to carry a large bomb or torpedo.

However, Suntop ( later renamed Sunstream ), though of Wolfrider descent, never had wolf blood ; his twin sister Ember ' called ' the wolf blood to herself in the womb.

However, in the comedy Twins, he plays the gentle giant behemoth Austrian twin of the much shorter, portly Danny DeVito.

However, the " evil twin " referee storyline was quickly dropped when Dave was apparently injured in the aftermath of the Hogan-Andre Main Event match ; in a 2001 interview with the WWF RAW Magazine, Dave claimed to have suffered broken ribs as a result of Earl kicking him as part of the angle, forcing Dave out of action until after WrestleMania IV.

However, after signing a 6-year contract extension with Ajax for the 1998 – 99 season, he and his twin brother Ronald took successful legal action to have it voided.

However, Nachiappan objects to the budding romance and wants his sons to marry identical twins because he himself has an identical twin brother, Pechiappan.

However, being lighter than the twin cylinder ( Division 1 ) karts they can be as quick on twisted circuits.

However, it did not come into general use until Joseph Greenberg ( 1963 ) formally proposed its adoption.

However, despite the fact that he never officially bore the name Octavianus, to save confusing the dead dictator with his heir, historians often refer to the new Caesar — between his adoption and his assumption, in 27 BC, of the name Augustus — as Octavian.

However, as of 2011 adoption of the new terms has been slow and usage has been limited in the marketplace and in the press, with notable exceptions such as Linux operating systems, several textbooks and scientific research papers.

However, the purchase of a Scottish estate by Victoria and Albert, and their adoption of Scottish architectural style, was very influential for the ongoing revival of Highland culture.

However, some of the compromises resulting from the adoption of a design intended for another market hampered the car's acceptance.

However, adoption by the computer industry has not been universal, particularly when communicating in a public context, such as to consumers of computer or computer based products.

However, in January 69, his hopes were dashed by Galba's formal adoption of Lucius Calpurnius Piso Licinianus, whom Galba had previously named a recipient in his will.

However, given the couple's separation and then divorce, Bullock continued the adoption of the baby, named Louis Bardo Bullock, as a single parent.

However, a 2004 paper concerning the cyanobacteria does advocate a future adoption of a BioCode and interim steps consisting of reducing the differences between the codes.

However, they were not without their problems and critics, and so were partially abandoned via the international adoption of the Bretton Woods System.

However, since the adoption of the Bologna Process engineering degrees in Portugal were changed from a 5 year license to a 3 year license followed by 2 years for the MSc: Not having the MSc doesn't confer accreditation by the Ordem dos Engenheiros )

However, as the weight of the curve adds 12 dB of gain to the critical midband, making THD + N measurements bigger, manufacturers object to its use and have widely prevented its adoption in American and Asian markets.

However, this law did not permit adoption by same-sex partners ; and as birth within a same-sex marriage did not imply affiliation, the same-sex spouse of the biological parent had no way to become the legal parent.

However, some princely titles develop in unusual ways, such as adoption of a style for dynasts which is not pegged to the ruler's title, but rather continues an old tradition ( e. g. grand duke in Romanov Russia ), claims dynastic succession to a lost monarchy ( e. g. prince de Tarente for the La Trémoïlle heirs to the Neapolitan throne, or is simply assumed by fiat ( e. g. prince Français by the House of Bonaparte ).

However, it is not clear to what extent this was due to an influx of Han settlers, who were predominantly displaced young men from Zhangzhou and Quanzhou in Fujian province or from a variety of other factors, including: frequent intermarriage between Han and aborigines, the replacement of aboriginal marriage and abortion taboos, and the widespread adoption of the Han agricultural lifestyle due to the depletion of traditional game stocks, which may have led to increased birth rates and population growth.

However, the blocks in Salt Lake City became irregular during the late 19th century when the LDS Church lost authority over growth and before the adoption of zoning ordinances in the 1920s.

However, it was not always well enforced, and slavery itself continued in the United States until the end of the Civil War and the adoption of the 13th Amendment to the Constitution.

However, neither of these smokeless powders were recommended for adoption by the Explosives Committee.

However, the further development of guns and the adoption of broadside arrangements of guns required a change of tactics.

However, on November 3, 2009, county voters overwhelmingly approved the adoption of a county charter form of government, which replaced the three-commissioner form of county government with an elected county executive and an 11-member county council.

However after the adoption of Islam, bidadari is equated with heavenly maiden mentioned in the Quran, in which God stated that the ' forbidden pearls ' of heaven are for those men who have resisted temptation and borne life's trials.

However, during the 1920s, the rapid adoption of the automobile caused a panic among urban planners, who, based on observation, claimed that speeding cars would eventually kill tens of thousands of small children per year.

However, E911 regulations and legal penalties have severely hampered the more widespread adoption of VoIP: VoIP is much more flexible than land line phone service and there is no easy way to verify the physical location of a caller on a nomadic VoIP network at any given time ( especially in the case of wireless networks ), and so many providers offered services which specifically excluded 911 service so as to avoid the severe E-911 non-compliance penalties.

However, parliamentary leaders have indicated that prior to adoption, the final concordat draft will be sent to the Council of Europe, European Parliament, and European Union for informal expert analysis, to ensure that it accords with European norms and the country's international legal obligations.