The decline of the Cunard line from its position of dominance in Atlantic travel is a significant development in the history of transportation.

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.

The number 83 stands for the United States — hence, F83 is U. S. history, G83 U. S. travel, JU83 U. S. politics, WP83 U. S. painting.

The film, Last Paradise, was launched in 2012 as an " original footage " history of extreme sports culture and adventure travel over 45 years, including the origins of extreme surfing, skiing, snowboarding, wakeboarding, windsurfing, hang gliding and kiteboarding, to the first commercialization of bungee jumping by A. J. Hackett, and his famed jump from the Eiffel Tower.

The diagnosis is usually made retroactively when a doctor reviews the history and collects information that documents the circumstances before people left home, the travel itself, and the establishment of an alternative life.

Bastiat developed intellectual interests in several areas including " philosophy, history, politics, religion, travel, poetry, political economy and biography.

Scholars from the history of ideas have noticed that consultants play a part similar to that of the journeymen of the guild systems: they often travel a lot, work at many different companies and spread new practices and knowledge between companies and corporations.

The system was expanded to include all the western coastal towns, providing a link which would allow passengers to travel between the northern and southern parts of the island in less than a day for the first time in its history.

A biologist by training, UK science fiction author McAuley writes mostly hard science fiction, dealing with themes such as biotechnology, alternate history / alternate reality, and space travel.

These stories may use time travel to change the past, or may simply set a story in a universe with a different history from our own.

Picard realizes that the Borg have used time travel to change history.

* In Dalla Van Hise's 1985 Killing Time, the Romulans use time travel to alter history, which results in James T. Kirk becoming an ensign and Spock a starship captain.

Throughout history sailing has been instrumental in the development of civilization, affording humanity greater mobility than travel over land, whether for trade, transport or warfare, and the capacity for fishing.

His reading included chivalric romances, poems, history and travel books.

However, the Novikov self-consistency principle is intended to go beyond just the statement that history must be consistent, making the additional nontrivial assumption that the universe obeys the same local laws of physics in situations involving time travel that it does in regions of spacetime that lack closed timelike curves.

However, the series does not consistently obey the Novikov principle in episodes featuring time travel, as episodes like Time Squared and Yesterday's Enterprise show history being changed as a result of time travel.

Preliminary diagnosis is often based on the patient's clinical symptoms, places and dates of travel ( if patient is from a non-endemic country or area ), activities, and epidemiologic history of the location where infection occurred.

In the future, a time travel organisation is created to save the " missing " children of history.

Braddon also founded Belgravia magazine ( 1866 ), which presented readers with serialised sensation novels, poems, travel narratives, and biographies, as well as essays on fashion, history and science.

In 1851, Thoreau became increasingly fascinated with natural history and travel / expedition narratives.

He traveled to Quebec once, Cape Cod four times, and Maine three times ; these landscapes inspired his " excursion " books, A Yankee in Canada, Cape Cod, and The Maine Woods, in which travel itineraries frame his thoughts about geography, history and philosophy.

De Camp's most highly regarded works in the genre are his time travel and alternate history stories, including Lest Darkness Fall ( 1939 ), " The Wheels of If " ( 1940 ), " A Gun for Dinosaur " ( 1956 ), " Aristotle and the Gun " ( 1958 ), and The Glory That Was ( 1960 ) – in the last of which the " time travel " actually turns out to be a tour de force of historical recreation.

The physicist David Deutsch has argued that if backwards time travel is possible, it should result in the traveler ending up in a different branch of history than the one he departed from.

Over 100, 000 American teenagers and young adults travel to resort areas and balnearios throughout Mexico over spring break each year.

Some are willing to travel to the other designated areas, especially during slow periods of the day.

However travel through very remote areas, on isolated tracks, requires planning and a suitable, reliable vehicle ( usually a four-wheel drive ).

It is not advisable to travel into these especially remote areas with a single vehicle, unless fully equipped with good communication technology ( e. g. a satellite phone, EPIRB etc .).

Many visitors prefer to travel in these areas in a convoy.

Tracks in very sandy or exceedingly rocky areas may require high-clearance four wheel drives and spare fuel, tyres, food and water before attempting to travel them, however most outback roads are easily traversed in ordinary vehicles, provided care is taken.

It is not indicated for most travellers to countries reporting cases, particularly if their travel is limited to urban areas with modern hotels.

Criticisms and disadvantages of cycling include reduced protection in crashes, particularly with motor vehicles, longer travel time ( except in densely populated areas ), vulnerability to weather conditions, difficulty in transporting passengers, and the skill and fitness required.

Roads serve the coastal areas, rather than the interior, and the mountainous terrain makes surface travel difficult.

By the 1530s, cimarrón bands had become so numerous that in rural areas the Spaniards could only safely travel outside their plantations in large armed groups.

However, it was noted that foreign election observers ( including Gomes ) were not given the authority and / or documentations in order to travel and monitor rural areas of the country.

Research by four economists at the University of Chicago has found that the growth of online shopping has also affected industry structure in two areas that have seen significant growth in e-commerce, bookshops and travel agencies.

Stanley has two taxi services which can be used for travel within the town and the surrounding areas.

Volunteers, such as those involved in GenerousGenealogists, a follow-on group similar to Random Acts of Genealogical Kindness ( now defunct ), do record lookups or take photos in their home areas for researchers who are unable to travel.

In mid-1994, travel in most areas was difficult and expensive, and most Laotians traveled only limited distances, if at all.

Palin's travel programmes are responsible for a phenomenon termed the " Palin effect ": areas of the world that he has visited suddenly become popular tourist attractions – for example, the significant increase in the number of tourists interested in Peru after Palin visited Machu Picchu.

In some countries or regions, law stipulates that clinics may provide at most one week's worth of methadone ( up to 30 days in the USA but states may allow as few as three ), except for patients unable to visit the clinic without undue hardship due to a medical disability or infrequent exceptions made for necessary travel to areas without clinics, and this level is only reached after a few years of proper results.

Today the travel industry supplements their income by bringing visitors to the remote areas.

But as this practice only attaches to certain ( major ) sacred days, others posit the extra day may have been added to accommodate people who had to travel long distances to participate in communal worship and ritual practices ; or the practice may have evolved as a compromise between conflicting interpretations of Jewish Law regarding the calendar ; or it may have evolved as a safety measure in areas where Jews were commonly in danger, so that their enemies would not be certain on which day to attack.

Observers noted that interregional marriages are rare, and that as of 1990 a new four lane highway completed in 1984 between Gwangju and Daegu, the capitals of Jeollanam-do and Gyeongsangbuk-do provinces, had not been successful in promoting travel between the two areas.

( No public buses travel southwards to the main resort areas in Frigate Bay and the Southeast Peninsula of St.

The move from Yuma to Peoria was very controversial, but was defended by the team as a reflection on the low quality of facilities in Yuma and the long travel necessary to play against other Arizona-based Spring Training teams ( whose sites were all in the Phoenix and Tucson areas, both rather far from Yuma ).

However, heavy restrictions apply to the areas where such a vehicle may travel in most states.

In remote areas such as the Northern Territory great care must be taken when sharing the road with longer articulated vehicles that often travel during the day time, especially 4 trailer road trains.